Tokenization Infrastructure Blockchain
Tokenization Infrastructure Blockchain
Tokenization Infrastructure Blockchain
Infrastructure
A blockchain-based solution
to financing sustainable
infrastructure
David Uzsoki
January 2019
MAVA Foundation
January 2019
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Acknowledgement
IISD is grateful to the following experts for sharing their expertise with us for this report:
We would also like to thank the following people for providing comments on the report:
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Abbreviations
AML anti-money laundering
ICO initial coin offering
IoT Internet of Things
IP Internet Protocol
IT information technology
KYC Know Your Client
NAV net asset value
REIT real estate investment trusts
SRC SwissRealCoin
STO security token offerings
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Executive Summary
“Nothing The emerging fintech solutions have demonstrated that technology and
digitalization indeed have an important role to play in addressing the
is more inherent limitations of our current financial system. The long-overdue
digitalization of finance can result in better transparency, and it can
powerful lower transaction costs by eliminating many of the intermediaries
needed to facilitate financial transactions. It can also lower the cost of
than an idea financing and make financial services more inclusive.
Improving efficiency throughout the financing and operation phases is particularly important
for sustainable infrastructure projects, such as renewable energy and green buildings. They are
often more difficult to finance than their traditional counterparts due to the higher upfront costs
and higher perceived technology risks associated with more environmentally friendly solutions.
Therefore, sustainable infrastructure projects often rely on some kind of public support to make
them financially viable. This includes subsidies, feed-in tariffs, guarantees and other third-party
de-risking instruments.
While the cost of green technologies has been on a downward trend, the question still remains how to
decrease the cost of capital to make sustainable infrastructure more financially attractive. In other
words, how can the risk premium priced in by investors be reduced so the revenue streams generated
by the project can more comfortably cover its costs. This is the fundamental challenge of financing
sustainable infrastructure that tokenization aims to address.
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can range between 49 and 60 per cent of the overall listing costs for this deal size. In other words, the
cost of going public can be between 15 and 22 per cent of the transaction value. This number might
vary somewhat for listed infrastructure; however, it is a rough indication of the costs associated with
accessing liquid public markets. As tokenization eliminates most of the financial, legal and regulatory
intermediaries, the transaction costs are significantly lower. Based on the current solutions available,
the experts interviewed estimate that the overall fee for tokenization should be below 5 per cent as
the blockchain sector matures.1
For listed real estate investment trusts, investors have to pay the brokerage commission for equity
transactions. For larger institutional investors, it can be as low as 0.20 per cent; for retail investors,
fees can reach 2 per cent for the purchase and 2 per cent for the sale of the securities (UBS, 2018).
Transaction fees of token exchanges usually range between zero and 0.25 per cent. For example, the
largest crypto exchange by volume, Binance, is charging 0.10 per cent to retail clients (Binance, 2017).
Traditional listed securities have to go through a range of intermediaries, some of which still have a
manual component involved in how transactions are processed. This explains why our current financial
processes are unable to facilitate small-scale transactions in a frictionless manner, excluding retail
investors from many of the asset classes. Also, by eliminating intermediaries, token transactions also
have a significantly lower counterparty risk.
Cost savings related to the operation of the entity managing the asset
Smart contracts can automatize infrastructure fund management way beyond the existing solutions
available. They can deliver efficiency gains in operations both at the level of the project and in the
entity managing the asset.
Smart contracts can facilitate client reporting, collecting and sharing data from Internet of Things
devices, while improving transparency, as discussed further below. Smart contracts can also
automatize financial transactions, including new incoming funds from investors, drawdowns, capital
calls from investors and redemptions.
2. BETTER TRANSPARENCY
Blockchain’s main promise of being a “trust machine” is that it can improve transparency and
accountability for infrastructure projects by orders of magnitude. It can facilitate and improve the
monitoring of financial, operational, social and environmental performance.
The data generated by Internet of Things devices, such as smart sensors, can reduce the costs
associated with the planning and preparation of projects. It will make key assumptions used in project
finance modelling much more accurate, including forecasting future revenues and costs. This will
allow sponsors to decrease the contingency costs that they need to set aside for construction. Also,
the size of liquidity and working capital facilities can be lower if revenue and cost patterns can be
forecast more accurately. All of these factors will contribute to a lower cost of financing and better
overall bankability of the project.
Please see the Acknowledgements on page iii for a list of experts interviewed for this report.
1
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By improving the quantity and quality of information available, the asset will also have a higher
valuation during its operating life. Investors expect assets to sell for a discount in 10 years if
they are not on a blockchain. As in this case, the buyer would need to perform due diligence the
traditional way, which is not only costly, it might not be as accurate as what would be the case for
a tokenized project.
3. ENHANCED LIQUIDITY
Infrastructure is an illiquid asset class. Transactions in alternative assets are slow and involve a large
number of intermediaries. Transacting parties are required to conduct a lengthy due diligence process
and go through a large amount of paperwork. In traditional private deals, it can take months to sell a
position and cost about USD 10,000–20,000 to re-paper the transaction (Stein, 2018).
Through tokenization, the liquidity of the asset class can be improved by orders of magnitude. It can
enable the creation of secondary markets and eliminate the need for the steep liquidity premiums
currently priced in by lenders and other investors in the space. According to Josh Stein, CEO of
Harbor, the illiquidity discount to the net asset value (NAV) of the fund is estimated to be 20–30 per
cent based on academic research, but in reality it can reach 40–60 per cent. In other words, if you
can unlock liquidity, you can deliver tremendous value (Stein, 2018).
Tokenization enables fractional ownership of the asset’s value and automates many aspects of the
client on-boarding process. This decreases transaction costs and makes smaller investment sizes
financially viable for infrastructure funds and other entities issuing tokens. Tokenization therefore
improves investor access to infrastructure projects both at the time of issuance and on the
secondary market.
Counterparty risk is arguably the most prominent risk in financial transactions. This can be seen by the
industry’s reliance on credit ratings. Through tokenization of infrastructure, one still has counterparty
risk as, in the case of debt for example, the borrower can still default on its debt obligations. However,
tokenization eliminates the counterparty risk associated with financial intermediaries that transacting
parties normally need to rely on in the case of traditional financial transactions.
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Most of the tokenization initiatives reviewed for this paper are based on the Ethereum blockchain. At
the time of writing, the transaction time of the Ethereum blockchain is almost instantaneous, with a
median waiting time of 27 seconds (ETH Gas Station, n.d.). As transactions are executed on a peer-
to-peer basis without a centralized clearing house, trades are always matched, and therefore it is
impossible to have delays in delivering the underlying security token. In addition, crypto exchanges
operate 24 hours a day and seven days a week, providing liquidity and enabling price discovery
around the clock.
By tokenizing small-scale infrastructure, due diligence and transaction costs can be significantly
decreased, as outlined earlier. This enables cost-efficient bundling through tokenizing a portfolio of
assets or even individual projects.
REGULATORY CHALLENGES
The lack of regulatory clarity for tokenized assets is becoming a major obstacle for the wider
implementation of this new asset class. While some jurisdictions are moving faster than others
(Provasoli, & Mokhniev, n.d.), there is still a lot of uncertainty around fundamental questions such as
how security tokens can be compliant with relevant financial regulations. This poses a problem for the
whole financial value chain of digital assets, including issuers, custodians, exchanges and investors.
The challenge is to find a framework where the key value proposition of tokenized assets is not
significantly diminished or lost in the process of complying with regulations designed for traditional
financial instruments.
TECHNICAL CHALLENGES
There has to be a trusted way to ensure consistency between the on-chain tokens and the underlying
off-chain assets. While smart contracts and software always execute in a predictable manner, in our
For example, see the West Coast Infrastructure Exchange Case Study: https://carleton.ca/3ci/wp-content/uploads/WCX-2014-Case-Study_
2
Final.pdf
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off-chain world there could be a range of unexpected events that need to be monitored and reflected
on the blockchain accordingly.
Currently, most security tokens are based on the Ethereum blockchain, which has had some notable
achievements, but also a few failures. There is still some hesitancy among institutional investors about
its reliability, as at the end of the day it is a work-in-progress product with a three-year track record.
Tokenestate enables companies and real estate asset managers to issue and efficiently manage
blockchain-based digital securities through its platform. Infrastructure has very similar properties
to those of real estate; therefore, the solutions proposed by Tokenestate can be easily applied to the
tokenization of infrastructure assets.
Smart Valor’s mission is to democratize access to wealth (Smart Valor, 2018). It has recently
launched its VALOR Platform, a decentralized marketplace for tokenized alternative investments,
such as venture capital, private equity, hedge funds, real estate and commodities. This USD 7 trillion
multi-asset class is currently only accessible for high-net-worth individuals and institutional
investors. Through the VALOR Platform, anybody will be able to invest in these assets. As tokenized
infrastructure is considered to be a security, there is a pressing need for exchanges, such as Smart
Valor, that are fully regulatory compliant for security token trading.
Mt Pelerin is in the process of becoming a fully regulated and compliant blockchain-based bank. It
will tokenize its entire balance sheet: assets, liabilities and equity. It has also developed its own open
source security token standard. The list of parameters of the standard demonstrates very well what
functionality all security tokens, including tokenized infrastructure, must have to ensure that token
holders are treated the same way as traditional shareholders.
SwissRealCoin (SRC) is a security token linked to a portfolio of Swiss commercial real estate. It is
issued by Crypto Real Estate Ltd, whose focus is to automate real estate asset management. While
the underlying portfolio of SRC is commercial real estate, the proposed token structure could be
easily applied to any infrastructure portfolio due to the similar characteristics of the two asset
classes. Instead of tokenizing an equity stake, SRC represents a perpetual subordinated non-interest-
bearing bond with voting rights.
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Table of Contents
1 Tokenization of Infrastructure...................................................................................................................................................1
References.............................................................................................................................................................................................27
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1
Tokenization of
Infrastructure
Blockchain-based technologies will play an important role in the digitalization of finance. As the large
number of blockchain start-ups demonstrate, the underlying technology has a wide range of use
cases, many of which go beyond finance. While the long-term viability and adoption of these ideas
remain to be seen, even skeptics agree that blockchain has the potential to provide simple solutions
for some of the fundamental problems that businesses and industries have struggled to address in an
efficient manner.
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Infrastructure and other real assets are especially suitable for tokenization. As Joshua Stein, CEO of
Harbor, highlighted in a recent interview, tokenization particularly makes sense for assets that are
capital intensive and relatively indifferent to the identity of the investor (Stein, 2018, August). Both
characteristics are true for infrastructure. Tokenization can deliver a wide range of benefits—such
as lower transactions costs, better transparency, enhanced liquidity, access to alternative sources of
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capital, decentralization and increased efficiency—while addressing the issue of scale. There are of
course challenges, both regulatory and related to technology, that need to be overcome in order to
have wider adoption. All of this will be discussed in detail in the following sections.
Improving efficiency throughout the financing and operation phases is particularly important
for sustainable infrastructure projects. They tend to require a bigger upfront investment (capital
expenditure) and have higher perceived technological risks compared to more traditional
infrastructure. As a result, there is often a need to explore innovative financing solutions to make
sustainable infrastructure financially viable and attractive to investors. Tokenization can play an
important role in decreasing the cost of financing, making the whole asset class more bankable.
Readers who are not familiar with this technology are encouraged to go to the Key Concepts section
in the Annex (page 30), where a detailed definition is provided for the blockchain-related terminology
used throughout the paper.
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2
The Value
Proposition
The tokenization of sustainable infrastructure can address some of the fundamental challenges
in the financing of the asset class, such as lack of liquidity, high transaction costs and limited
transparency. Currently, investors price in these risks by charging a premium on the cost of
financing. By realizing efficiency gains in the financing process, tokenization would also improve the
overall financial viability of the project.
Throughout the paper, infrastructure tokenization refers to the tokenization of the equity of the
special purpose vehicle owning the infrastructure. Directly tokenizing the underlying asset would
not be possible at the time of writing due to the lack of legal and technical frameworks to enable
the tokenization of property rights. Therefore regulators classify all infrastructure tokens as security
tokens subject to regulations covering traditional securities.
• Cost savings related to the underwriting process: raising capital, legal and regulatory
compliance, and exchange listing in the case of a public security such as real estate
investment trusts (REITs) or listed infrastructure funds.
• Cost savings related to transactions on the secondary market: facilitating the exchange of
ownership after the initial public offering was completed in the case of public securities or
after the private placement for privately traded assets.
• Cost savings related to the operation of the entity managing the asset or portfolio of assets.
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FINMA, the Swiss Financial Market As tokenization eliminates most of the financial,
Supervisory Authority, categorizes tokens legal and regulatory intermediaries, the
into three groups based on their economic transaction costs are significantly lower than
function and purpose: those of traditional private or public security
issues. This cost largely depends on the type of
• Payment tokens: cryptocurrencies
without any other functions or links to
structure and platform used for the tokenization.
development projects Based on the current solutions available, the
experts interviewed estimate that the overall fee
• Utility tokens: tokens providing digital
for tokenization should be below 5 per cent as
access to an application or service
the sector matures.1 This represents a significant
• Asset tokens: tokens representing assets improvement compared to the 15–22 per cent
such as participation in real physical issuance fees discussed earlier.
underlyings, companies, or earnings
streams, or an entitlement to dividends Security tokens and platforms for tokenization
or interest payments; asset tokens are still at a very early stage. Experts expect
are analogous to equities, bonds or fee structures to decrease further as more
derivatives. Asset tokens are also called
participants enter the market, on both the
security tokens.
demand and supply sides of the tokenization of
Source: FINMA, 2018. real assets (IISD interviews September 2018).
Please see the Acknowledgements on page iii for a list of experts interviewed for this report. Subsequent references to these interviews will
1
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For listed REITs, all the fund-specific fees are already deducted at the fund level. However, investors
still have to pay the commission applicable for equity transactions. While for larger institutional
investors it can be as low as 0.20 per cent, for retail investors fees can reach 2 per cent for the
purchase and 2 per cent for the sale of the securities (UBS, 2018). The size of commission depends
on the financial service provider, the size of the transaction, the exchange and the country of listing.
Equities listed on U.S. exchanges are generally cheaper than their European or Asian counterparts.
Transaction fees of crypto exchanges usually range between 0 and 0.25 per cent. For example, the
largest exchange by volume, Binance, is charging 0.10 per cent to retail clients (Binance, 2017). On the
other hand, decentralized exchanges enable peer-to-peer transactions between users and only take
a small spread (the difference between the buy and sell price) of the trade. Outside of exchanges, the
only applicable fee is the network fees on the respective blockchain. For example, the cost of transfer
of any number of tokens on the Ethereum blockchain, where most tokenized assets are currently
based, was about USD 0.015 at the time of writing (ETH Gas Station, n.d.).
Tokenized real assets would be categorized as security tokens. Currently, most crypto exchanges are
not ready to list security tokens, as they would need to comply with the applicable security exchange
regulations. Many crypto and traditional exchanges are currently working on enabling security token
trading, including the MSX of the Malta Stock Exchange (Palmer, 2018), the Gibraltar Stock Exchange
(Baker, 2018), the Swiss Stock Exchange (Bitcoin Exchange Guide News Team, 2018) and Coinbase
(Zhao, 2018).
Until that happens, security tokens can also trade on decentralized exchanges, which currently
operate in a regulatory grey zone, and trading capabilities are often part of the tokenization
platforms. Alternatively, security tokens can be traded peer-to-peer between market participants
by using an escrow account on the blockchain, eliminating the need for an intermediary (Trouche,
Jolivalt, & Said, 2018). On an escrow account, a smart contract initiates the transfer of the security
tokens to the buyer once a corresponding payment is made to the account.
Figure 1 illustrates how traditional listed securities have to go through a range of intermediaries, some
of which still have a manual component involved in how transactions are processed. This explains
why our current financial processes are unable to facilitate small-scale transactions in a frictionless
manner, excluding retail investors from many of the asset classes.
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INVESTOR A INVESTOR B
CUSTODIAN CLEARING
EXCHANGE
BANK HOUSE
TOKEN SALE
ETH
TOKEN X
On the other hand, when transferring tokens on a blockchain, in this case Ethereum (ETH), the
transactions happen in a peer-to-peer, frictionless manner. For example, as demonstrated in Figure
1, Investor A sends tokens from their digital wallet to Investor B’s wallet using the blockchain.
Transaction fees are negligible and do not increase proportionally with the transaction size.
Alternatively, token transactions can be done through an
exchange. In this case, tokens would not move on the blockchain,
SMART CONTRACTS but the exchange would simply update the balance of the
transacting parties on its platform.
Smart contracts can also enhance governance by enforcing contractual agreements between transacting
parties. Under a traditional setting, if one party does not meet its contractual obligations, the other party
can take legal action. This can take significant time and resources. Contractual agreements implemented
as smart contracts would execute automatically without the involvement of a third party.
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At this stage, it is difficult to determine accurately how much tokenization will end up decreasing the
transaction costs compared to existing solutions. There are indeed many initiatives in the space, but
most of them are yet to launch pilots due to pending regulatory approvals. As regulators catch up, we
expect to see a large number of issuances taking place, showcasing the cost savings of tokenization.
With the integration of artificial intelligence and big data solutions, the information generated can
be used in unprecedented ways, bringing another level of efficiency and optimization to the asset
class. This includes improving the design of the asset, identifying optimal operating procedures and
preventing outages before they happen.
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The data generated can also reduce the costs associated with the planning and preparation of
infrastructure projects. It will make key assumptions used in project finance modelling much more
accurate, including forecasting future revenues and costs. This will allow asset owners to decrease
the contingency costs they need to set aside for construction. Also, the size of liquidity and working
capital facilities can be lower if revenue and cost patterns can be forecasted more accurately. All of
these factors will contribute to a lower cost of financing and better overall bankability of the project.
These trusted data feeds ensure that the blockchain has accurate information. This is especially
important for smart contracts, as they rely on this data to execute a pre-defined set of conditions.
In addition, better access to information might have legal implications. The information provided
might be used as the basis of legal action against the fund or the underlying assets in the portfolio.
This increased legal risk would also need to be priced in accordingly, increasing the cost of financing.
Therefore fund managers and infrastructure operators need to consider these implications and
decide carefully what data to disclose on the blockchain.
Limited partners of infrastructure funds are usually locked in for 10 years and do not have access to
an efficient secondary market in case they want to exit their position before the fund is liquidated.
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Through This means that if the seller can find a buyer, they probably
need to sell at a discount to net asset value (NAV), and have
tokenization, the to go through the general partner and comply with a range of
compliance requirements to facilitate the transaction.
liquidity of the
asset class can be Through tokenization, the liquidity of the asset class can be
improved by orders of magnitude. It can enable the creation of
improved by orders secondary markets and eliminate the need for the steep liquidity
premiums currently priced in by lenders and other investors in
of magnitude. the space. According to Josh Stein, CEO of Harbor, the illiquidity
discount to the NAV of the fund is estimated to be 20–30 per
cent based on academic research, but in reality it can reach 40–60 per cent. In other words, if you
can unlock liquidity, you can deliver tremendous value (Stein, 2018).
Due to their long-term nature and large size, project loans have high capital requirements for lending
institutions. Liquid secondary markets would enable banks and other investors to easily off-load their
infrastructure investments from their balance sheet. This would result in a lower cost of financing.
Current financial solutions, such as securitization, are costlier and much slower than what is expected
to be the case for tokenized securities.
An efficient secondary market would also enable a more accurate pricing of infrastructure projects.
Price discovery can complement model-based valuation methodologies when determining the fair
price of assets. It can also allow investors to better recognize market trends and identify under-
performing and over-performing infrastructure sub-sectors.
Alternative asset classes, such as real estate and infrastructure, can be very lucrative long-term
investments when one considers their historical risk-adjusted returns. The fact that they could only
be accessed by institutional and high-net-worth investors raised some concerns about the fairness
of the system. Therefore the promise of tokenization to democratize finance is very much welcome
and can have wider repercussions on the financial industry and overall wealth distribution. This
partially explains the recent popularity of initial coin offerings (ICOs), where early stage investments
finally were not limited to venture capital companies.
Tokenization enables fractional ownership of the asset and automates many aspects of the client on-
boarding process. This decreases transaction costs and makes smaller investment sizes financially
viable for infrastructure funds and other entities issuing tokens. Tokenization therefore improves
investor access to infrastructure projects both at the time of issuance and on the secondary market.
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Indeed, security tokens, like tokenized infrastructure, require more initial due diligence from issuers, such
as KYC and anti-money laundering (AML) checks, than what has been the case for utility tokens.
Security token regulations are still at an early stage or non-existent in many jurisdictions. However,
when the necessary regulations are implemented, investors would need to have KYC and AML pre-
clearing when buying an asset-backed token on the secondary market. The good news is that these
checks can be done online and by using specific algorithms in certain jurisdictions. Existing securities
regulations would be a good indication of how the regulation of security tokens will evolve in the
coming years.
When trading exchange-listed alternative assets, such as REITs, on a traditional exchange, KYC and
AML checks are conducted by the financial intermediary where the investor has the trading account.
In the case of security tokens, the crypto exchange might fill this role, so issuers only need to do their
own due diligence at the time of the ICO.
Counterparty risk is arguably the most prominent risk in financial transactions. This can be seen by the
industry’s reliance on credit ratings. Through tokenization of infrastructure, one still has counterparty
risk, as, in the case of debt for example, the borrower can still default on its debt obligations. However,
tokenization eliminates the counterparty risk associated with financial intermediaries that transacting
parties normally need to rely on in the case of traditional financial transactions.
The degree of decentralization can vary significantly depending on the type of blockchain.
Permissionless systems must have a high degree of decentralization so there is no one single
entity with the power to make modifications or to shut down the entire system. In the case of
permissioned blockchains, the quality of decentralization depends on the governance model used.
In other words, decentralization depends on how evenly the control and power structures are
distributed (Kadiyala, 2018).
While Bitcoin is a good example of a public permissionless blockchain, there are many private
permissioned blockchain projects gaining traction in the space. In fact, the latter is expected to be
the more common use of blockchain technology, as companies cannot and should not share sensitive
information on a public blockchain. Of course, information stored on a public blockchain is normally
pseudo-anonymous. In other words, the transactions are public, but the identity of the transacting
parties is private.
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Transaction times vary depending on the blockchain used and on the current transaction volumes. Most
of the tokenization initiatives reviewed for this paper are based on, or have plans to be based on, the
Ethereum blockchain. At the time of writing, the transaction time of the Ethereum blockchain is almost
instantaneous, with a median waiting time of 27 seconds (ETH Gas Station, n.d.). As transactions are
executed on a peer-to-peer basis without a centralized clearing house, trades are always matched, and
therefore it is impossible to have delays in delivering the underlying security token.
In addition, crypto exchanges operate 24 hours a day and seven days a week, providing liquidity
and enabling price discovery around the clock. It will be interesting to see how this constant access
to liquidity will impact volatility and prices, especially for assets that have not had any secondary
market previously.
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By tokenizing small-scale infrastructure, due diligence and transaction costs can be significantly
decreased, as outlined earlier. This enables cost-efficient bundling through tokenizing a portfolio of
assets or even the individual small-scale projects.
If transaction costs are not an issue anymore, investors can build portfolios where they own one
street in a city and short sell another street somewhere else, in the case of real estate for example.
With the constant access to efficient secondary markets, portfolio rebalancing is also no longer an
issue and can be done instantaneously or even in a completely automated manner.
In order to realize all the points outlined above, platforms need to be built, pilots developed, new
regulations designed and existing regulations amended to facilitate the specificities of this emerging
asset class. This will certainly take some time, but once we get there, the financing of real assets
will improve by orders of magnitude, offering democratized access to the asset class, more efficient
monitoring of the environmental footprint of projects, significantly lower transaction costs and fewer
intermediaries, and will enable the financing of small-scale infrastructure projects.
For example, see the West Coast Infrastructure Exchange Case Study: https://carleton.ca/3ci/wp-content/uploads/WCX-2014-Case-Study_
3
Final.pdf
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3
The Challenges
of Tokenization
Many market participants have developed their own proposals for a security token standard,
such as Mt Pelerin and Tokenestate, as discussed in more detail at the end the paper. The purpose
of a standard is to identify how tokens can comply with security regulations in their respective
jurisdictions. These regulations were designed with traditional securities in mind. Therefore, there is
a need for a hybrid token structure with off-chain and on-chain components to ensure compliance.
The challenge is to find a framework where the key value proposition of tokenized assets is not
significantly diminished or lost in the process. The current proposals for security token standards are
still at an early stage and are expected to evolve considerably over time.
Another regulatory challenge is that some of the entities owning a portfolio of assets should be
classified as a collective investment scheme. This requires another set of approvals and compliance
with the more stringent regulations governing investment funds. As in most jurisdictions, there
has not been a precedent for crypto funds getting all the necessary approvals; it is to be seen how
accommodating regulators will be in providing them the green light to accept investor funds.
This also raises the question of the availability of qualified custodians for digital assets. For example,
FINMA, the Swiss financial regulator, requires investment funds to designate a FINMA-authorized
custodian bank for holding client assets (FINMA, 2019). Currently, there are only a few emerging
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qualified custodians for digital assets. However, their numbers are expected to increase in the future,
as there are several financial institutions looking into this now.
For example, SIX Swiss Stock Exchange plans to be one of the first to offer fully integrated end-to-
end custody, trading and settlement services for digital assets. According to Thomas Zeeb, Head
of Securities and Exchanges at SIX, “The digital space currently faces a number of key challenges.
These include the absence of regulation that ensures official safety, security, stability, transparency
and accountability – all of which contribute to a lack of trust. The challenge is less in the trading of
assets but rather in the custody and asset servicing” (SIX, 2018). SIX is expected to start rolling out
its digital services mid-2019, but it is not clear how soon custody solutions will be implemented.
Also, property rights are not yet tokenizable due to the lack of legal and technical framework to
enable on-chain land registries. In other words, tokens cannot represent a legal ownership of an asset
in a way that is recognizable in court. Instead, issuers need to create a special purpose vehicle off-
chain, which becomes the legal owner of the underlying asset and issues its equity tokens.
On the other hand, some experts interviewed argued that there is no need to have tokenizable
property rights, as investors would not want to own a square metre of a power plant, but rather a part
of the project company operating the power plant.
It may take some time before all the regulatory uncertainties outlined above are resolved. On the
other hand, jurisdictions that are faster to address them will experience significant growth and
innovation in the digital asset space. The question is how much tokenized infrastructure will lose its
appeal as regulations catch up to this emerging asset class. Some of the inefficiencies and costs
in the current financial system are due to the strict regulatory compliance requirements, especially
when taking client deposits and servicing non-institutional clients. There is indeed a risk that, once
tokenized real assets become fully compliant with financial regulations, they will end up with higher
transaction costs and be accessing the same pool of capital as their traditional counterparts. Even
under this scenario, digitalization of infrastructure can still deliver material benefits to the asset
class, including liquidity, transparency, decentralization and enhanced efficiency.
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In the case of asset-backed tokens, there has to be a trusted way to ensure consistency between the
on-chain tokens and the underlying off-chain assets. While smart contracts and software always
execute in a predictable manner, in our off-chain world there could be a range of unexpected events,
which need to be monitored and reflected on the blockchain accordingly. For example, buildings can
burn down or power plants can have disruptions during operation due to a heat wave or low social
acceptance. Trusted and secure “oracles” are needed to provide up-to-date information about
physical assets on the blockchain. As discussed earlier, these
could be IoT-enabled monitoring devices, government institutions,
various online sources or consensus-based data, among others.
51% ATTACK
At the same time, one of the experts interviewed for this paper
expressed his skepticism of the feasibility of using IoT devices
A “51% attack” refers to provide reliable data, at least in the current state of the
to an attack vector technology. There are still challenges around the installation,
on blockchains with a operation and maintenance of these devices and how to interpret
proof-of-work consensus the data generated.
mechanism. If a certain
All of the tokenization initiatives reviewed for this paper are
group acquires more
currently based on the Ethereum blockchain, or have plans to
computing power than
be, and will tokenize assets using the ERC20 token standard. At
the rest of the network
the same time, many of them also stress that their protocols
combined, it can reverse
are designed to be blockchain agnostic, meaning that they are
past transactions, while in
interoperable among different smart contract platforms. This is
control, and prevent new
particularly important, as technology is evolving at a rapid pace,
ones from being confirmed
and today’s frontrunners might not be tomorrow’s winners.
on the blockchain.
The Ethereum blockchain is currently the biggest smart contract
platform, having the most developers and decentralized
applications. During its relatively short life of three years, the platform has certainly had some
notable achievements, but also a few failures, such as the DAO hack4. Arguably the biggest
fundamental changes to the platform, such as changing the consensus protocol from proof of work to
proof of stake, are still to be implemented.
This explains why institutional investors are still hesitant to fully trust the
reliability of the Ethereum blockchain, as, at the end of the day, it is a work-in-
progress product with a short track record.
Building this trust is essential for tokenizing infrastructure projects, which can have a value of several
hundred million dollars each. Otherwise investors will not be comfortable owning these assets on the
blockchain at scale.
The “DAO” was a decentralized autonomous organization on the Ethereum blockchain. Its main purpose was to operate similar to a
4
venture capital fund, where investors can vote on proposals to fund. Due to a security vulnerability, an unknown attacker started to drain
the USD 150 million worth of ether held by the DAO. In order to prevent the attacker from having access to the funds, the Ethereum
community decided to hard fork the Ethereum blockchain, bringing into question the immutability of the network.
IISD.org 16
Tokenization of Infrastructure
Christoph Jentzsch, an early Ethereum developer, highlighted an important limitation of the Ethereum
blockchain during the OECD’s Blockchain Policy Forum in Paris in September 2018: the Ethereum
blockchain cannot hold more value than about 50 per cent of its total market capitalization, which
currently is around USD 23 billion (CoinMarketCap, n.d.). So tokenizing something with a higher value
would completely shift the centres for a “51% attack” (OECD Blockchain Policy Forum, n.d.). The
reason behind the value limitation is that, at this level of valuation, incentives would change and
potentially break the game theory behind Ethereum mining. At the same time, it is important to note
that if the Ethereum blockchain was about to reach USD 10 billion worth of tokenized securities, then
it is very likely that its market capitalization would have increased significantly as well.
One technical challenge that all blockchain-based solutions are currently struggling with is how to
create a user experience that is streamlined and easy for the everyday user. Indeed, this is one of
the prerequisites of the mass adoption of this technology. If security tokens are also targeting retail
investors, they should not be more complicated to use than existing crowdfunding websites or online
brokerage accounts. Ultimately, users do not need to understand the underlying technology, the same
way most people do not understand how Transmission Control Protocol (TCP) and Internet Protocol (IP)
work when they use the Internet. The industry is aware of this problem, and there are many platforms
and mobile applications in development that promise significant improvement to user experience.
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4
Tokenizing Real Assets:
Examples from Switzerland
This section examines theory in practice, discussing several start-up initiatives in Switzerland that
are working on solutions for security tokens and the tokenization of real assets.
4.1 Tokenestate
Tokenestate enables companies and real estate asset managers to issue and efficiently manage
blockchain-based digital securities through its platform. It provides a complete set of services to
issuers by (Tokenestate, 2018b):
4.1.1 TOKENESTATE.IO
An important component of the Tokenestate ecosystem is the Tokenestate.io. It is a for-profit
marketplace that provides various services for launching real estate investment vehicles. It is
intended to be the gateway between the existing off-chain real estate funds and the emerging on-
chain economy. Tokenestate.io decreases transaction costs significantly for issuers by spreading
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Tokenization of Infrastructure
many of the one-time costs associated with security token offerings across the different real
estate projects.
Tokenestate (2018a) has also developed their own concept of how real estate tokenization could work
in a legally compliant manner. A special purpose vehicle called the Token Estate Investment Vehicle
needs to be created, which will issue real estate tokens. The Token Estate Investment Vehicle would
be the legal owner of a portfolio of real estate projects and would be responsible for the operation
of the underlying assets. Its role would be similar to traditional REITs, making decisions on property
acquisition or divestment and ensuring compliance with applicable regulation.
Among other things, Tokenestate argues that security token transactions cannot be immutable
and proposes the use of dynamic libraries, which enable the reversal of transactions if needed. The
standard also acknowledges that security tokens would need to rely on off-chain and on-chain
architectures at the same time.
The off-chain database would be responsible for storing relevant information for regulatory compliance
such as KYC and AML. This would include the personal data of investors, data on past transactions
and payments of dividends. This off-chain database would be compliant with the recent General Data
Protection Regulation in the European Union, allowing personal data to be deleted on request.
The on-chain architecture would include smart contracts and their historical data, all of which would
be publicly available and auditable. The standard also argues for the use of public permissionless
blockchains for security tokens as opposed to private blockchains. It also emphasizes the importance
of being blockchain agnostic (i.e., not committing to any particular
blockchain as there are several promising smart contract
In order to see a blockchain ecosystems under development).
wider adoption of Tokenestate executed the first digital share transaction in
this technology, October 2018, becoming one of the first companies to offer a
legally compliant and user-friendly solution for managing the
there is a need shares of companies and paving the way for the digitization of
for security token securities (Trouche, 2018).
can rely on Infrastructure has very similar properties to those of real estate,
therefore the solutions proposed by Tokenestate can be easily
when tokenizing applied to the tokenization of infrastructure assets. The approach
taken by Tokenestate also confirms that there is indeed a need to
infrastructure. have an off-chain component when tokenizing real assets. Until
financial regulations are designed specifically to fit a blockchain-
based market, it would not be possible to have a purely on-chain vehicle. The marketplace proposed
by Tokenestate can further decrease the costs associated with tokenization and fulfill a similar
function to existing crowdfunding platforms.
In order to see a wider adoption of this technology, there is a need for security token standards that
market participants can rely on when tokenizing infrastructure. Indeed, if every platform and issuer
needs to reinvent the wheel when issuing security tokens, the tokenization of real assets will not get far.
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Tokenization of Infrastructure
The tokens of the following asset types will be traded on the VALOR Platform:
Smart Valor offers comprehensive services to both investors and token issuers.
For investors:
• Secure and compliant access to new digital assets to diversify portfolios and improve
performance
• Portfolio management tools and indexing
• Access to safe-haven wealth protection by providing custody solutions in Switzerland and
access to alternative assets with low price volatility
For issuers:
Smart Valor has already received regulatory approval in Switzerland and Liechtenstein to operate
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Tokenization of Infrastructure
reliable financial
4.2.1 RELEVANCE FOR THE TOKENIZATION OF
infrastructure SUSTAINABLE INFRASTRUCTURE
are essential As tokenized infrastructure is considered to be a security,
for institutional there is a pressing need for exchanges that are fully regulatory
compliant for security token trading. Currently there are only a
investors to enter few of them, which is also the reason why the tokenization of real
assets has not gained much traction yet. That is why the efforts
the space. of Smart Valor are so important. Regulated market participants
and reliable financial infrastructure are essential for institutional
investors to enter the space. These market participants include regulated custody providers, financial
intermediaries and other regulatory-compliant financial service providers for digital assets.
Smart Valor provides essential services for the tokenization of infrastructure way beyond offering
a trading platform. Indeed, token issuers need to have a comprehensive set of solutions to navigate
through the various regulatory requirements and technical challenges of tokenization. Trusted
partners, like Smart Valor, play a crucial role in giving early adopters confidence in this technology.
This is especially important in the case of infrastructure, where deal sizes can easily be in the millions
of U.S. dollars.
The success of Smart Valor and similar platforms will also depend on the Swiss regulators, who need
to be able to provide clear guidance on how to fit this new asset class into the existing regulatory
frameworks and have a supportive approach to finding solutions as needed.
4.3 Mt Pelerin
Mt Pelerin is in the process of becoming a fully regulated and compliant blockchain-based bank. It
will tokenize its entire balance sheet: assets, liabilities and equity. It has also developed its own open
source security token standard.
• All deposits will be kept in a highly liquid reserve in a transparent manner on the blockchain. In
contrast, traditional banks only have a small part of client deposits readily available, making
them vulnerable to bank runs.
• All banking services will be offered using a marketplace approach. Mt Pelerin will act as a
market maker and connect customers and third-party financial service providers. It will be
an open platform with easy third-party integration for micro-services. Its revenues will come
from the commissions charged for its services and transactions on its marketplace.
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Tokenization of Infrastructure
The legal basis for this issuance was the Blueprint for the Tokenization of Shares of Swiss Corporations
published by the Capital Markets and Technology Association (2018), in which Mt Pelerin Group holds
membership. On the blockchain side, the Mt Pelerin Bridge Protocol was used to issue the security
tokens. This engine has all the on-chain functionalities to issue tokens and ensure legal compliance
throughout the life cycle of the token. It not only enables the tokenization of the shares of Mt Pelerin,
but also its entire balance sheet, including debt and multi-currency cash balances.
The Bridge Protocol currently has the following functionality (Mt Pelerin, 2018b):
The Bridge Protocol is completely open source, and other market participants are encouraged to
use it for their own token issuance. Mt Pelerin’s goal is that the protocol becomes the de facto Swiss
standard for security token issues.
The list of parameters of the Bridge Protocol demonstrates very well what functionality all security
tokens, including tokenized infrastructure, must have to ensure that token holders are treated the
same way as traditional shareholders. Regulators need to have the ability to freeze and seize assets
if needed. This includes the possibility to reverse transactions. Token holders need to have the right to
vote, receive dividends and their ownership of the underlying entity needs to be recognized in court.
It is also encouraging to see that the standard had its first successful pilot, tokenizing the shares of Mt
Pelerin. It is important to highlight that Mt Pelerin first issued traditional shares that were tokenized,
instead of issuing only tokens. This additional step was needed to be complaint with securities regulations.
The next milestone for Mt Pelerin will be the tokenization of the other parts of its balance sheet,
namely the assets (loans) and liabilities (deposits). This will be particularly important for infrastructure
tokenization, as usually 70 per cent of project financing is in the form of debt (i.e., loans or bonds).
Mt Pelerin has an ambitious goal to become the first fully blockchain-based bank. Its success would
be highly beneficial to the whole space, including to the tokenization of infrastructure. Crypto- and
blockchain-related projects have had many difficulties opening accounts with traditional banks in
Switzerland in the past. Many of these companies had to approach more crypto-friendly financial
institutions in Lichtenstein instead. This has certainly limited innovation and the adoption of
digital-asset-based solutions in Switzerland. Mt Pelerin could be the perfect gateway to bridge the
blockchain space with the financial sector.
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Tokenization of Infrastructure
The SRC token will have the following unique structure (SRC, 2018b):
• Under Swiss law, SRC tokens will be a perpetual subordinated non-interest bearing bond.
Proceeds will be used to fund Crypto Real Estate Ltd and the acquisition of the real estate
portfolio: 92 per cent of the proceeds will be invested in Swiss commercial real estate; 5 per
cent will be used by Crypto Real Estate Ltd to develop its real estate management software
“MIA”; and the remaining 3 per cent will cover various operating expenses.
• Investments will be potentially leveraged by using bank loans, which will be ranked more senior
than the SRC tokens. In addition, the underlying real estate assets might be used as collateral
for these loans.
• SRC will be an ERC20 using the Ethereum blockchain. Investors will be able to buy it either at
the primary issuance or when the token gets listed on a security-token-compliant exchange.
• 80 per cent of the net rental income and 50 per cent of net profit from the IP licensing of the
MIA software will be re-invested in further real estate projects.
• SRC token holders will have voting rights, making decisions on the acquisition of new assets
and on the liquidation of the portfolio. For the latter, 80 per cent of the majority will be needed
initially, which will decrease by 2 per cent with every completed year.
• SRC will have a built-in mechanism to decrease the price volatility of the token. If the price of
SRC exceeds the value of the underlying real estate portfolio by two times, a smart contract
issues additional SRC tokens to purchase more real estate. In case the price of SRC falls
below the value of the portfolio, token holders could exercise their option to liquidate the
entire portfolio. This would limit downside price volatility.
The security token offering is expected to take place at the end of 2018 with a hard cap of CHF 150
million (maximum amount) and a soft cap of CHF 30 million (minimum amount).
Besides the unique characteristics above, SRC offers investors a significant improvement in
transparency compared to existing real estate investment vehicles, high-quality data from operations
and material efficiency gains throughout the investment process.
Crypto Real Estate Ltd. has taken a very different approach to tokenizing real assets than the
previous examples. SRC tokens will represent subordinated bonds of the real estate portfolio instead
of equity. Subordinated bonds rank below senior debt but higher than equity in the case of a claim
on assets or earnings. These bonds will be perpetual (no maturity to return the principal) and non-
interest bearing (no coupon payments) but will give voting rights to token holders. In many ways,
they are very similar to equities, except they do not give token holders ownership rights of the issuing
entity nor the right to receive dividends. Indeed, this is a very important difference that token holders
should evaluate carefully.
Why would you tokenize subordinated debt instead of equity? One reason could be that the legal
entity owning the real estate assets has other commercial activities, so token holders cannot have
a claim over the entire business of the issuer. Or it could be simply that there are no security token
IISD.org 23
Tokenization of Infrastructure
standards for regulatory-compliant tokenized equity in the jurisdiction of the issuing entity. This also
highlights the significance of the Mt Pelerin and Tokenestate standards in Switzerland.
Cryptocurrencies and other tokens have been criticized for being too volatile for
more conservative institutional investors. It is to be seen whether this volatility
persists in the case of asset-backed tokens.
SRC presents an interesting solution to mitigating its price volatility. The fact that investors can ask
for the liquidation of the fund, subject to voting and initial lock up, can certainly create a floor for any
persistent price decline of the SRC token. On the other hand, new SRC tokens are issued when the
market capitalization of SRC becomes twice as much as the NAV of the portfolio. It is an innovative
way to ensure that valuation of the tokens stays in line with the underlying real estate portfolio.
It is yet to be seen whether other tokenization solutions for real assets integrate similar price
stabilizing mechanisms. That will certainly depend on investor preference. At the end of the day,
there is often a significant difference between the stock valuations of listed companies and their
respective book values.
The fact that the public sale has been postponed highlights some of the challenges similar structures
might also experience. First, SRC will be a security token, which requires a specific setup to be
regulatory compliant, as discussed previously. Second, as a whole portfolio will be tokenized, the
issuing entity also needs to comply with the Collective Investment Scheme Act, as it is structured
similarly to off-chain investment funds. As more of these funds reach successful close, it will become
easier for new entrants. Regulators will also gain more understanding of the blockchain space,
become more comfortable granting the necessary licences and develop new internal procedures to
deal with tokenized real assets.
IISD.org 24
5
Conclusion
The main value proposition of tokenization lies in its potential to decrease the cost of financing of
infrastructure projects. Better terms of long-term financing can tip the balance toward financial
viability for projects that either had to remain on the drawing board or relied on some form of de-
risking solutions, often using public resources, to become bankable. Despite the range of potential
benefits, the question remains whether tokenization will have widespread adoption for infrastructure
in the coming years. Market participants need to have complete trust in the underlying technology
and certainty about the regulatory and legal compliance of these new financial instruments. Building
this trust will take time and require many successful pilot projects.
this data be used Another pressing question is how the benefits and challenges of
tokenization would differ in the developing country context. While
on the blockchain? the use case for blockchain-based solutions is the most apparent
IISD.org 25
Tokenization of Infrastructure
in these countries, they also tend to be the most restrictive when it comes to regulating the space.
One of the key risks of investing in infrastructure in developing countries is political risk. For example,
in the case of capital restrictions, profits denominated in local currency might be impossible to
repatriate for international investors. Blockchain technology can also enable the fast and frictionless
movement of capital into infrastructure projects, which otherwise would not be possible to achieve.
What about countries with hyperinflation? Could cryptocurrencies
be used to make payments linked to the operations of the project,
Can this new thus eliminating the need to access hard currencies?
technology fit into On the regulatory side, there are also several outstanding
existing regulatory questions. There is still a lack of clarity from regulators on how
tokenized real assets can be fully regulatory compliant. Can
frameworks? this new technology fit into existing regulatory frameworks?
For example, how can you regulate or take enforcement action
against a decentralized exchange, which is not operated by a centralized entity? How do you
comply with the EU’s General Data Protection Regulation, requiring operators to offer the possibility
to delete client’s data on request, when a blockchain is immutable? How do you transfer securities
on-chain between counterparties when transactions often require a signature by law? Of course,
there are solutions or workarounds for every problem. However, it is yet to be seen how much the
benefits of blockchain will be lost in the process of complying with regulations clearly designed for
an off-chain world.
The recently emerged ICO funding model is already undergoing a major transformation. During 2017
and the first half of 2018, we have seen a wave of ICOs raising billions of dollars from mostly retail
investors. However, when regulators signalled that ICOs might be unauthorized security offerings, new
issuances have come to a halt. By the end of 2018, start-ups had the choice of either approaching
traditional venture capital investors or experimenting with security token offerings. It is important to
note that many STOs to date have only been available to qualified accredited investors, which again
limits the access to these investments to high-net-worth individuals and institutional investors. Does
this suggest that once digital assets are fully regulatory compliant, the democratization of finance
will yet again become far out of reach? Will utility tokens still be distributed through ICOs or rather
through some form of airdrops?
Whether blockchain will deliver on all the expected benefits proponents claim, and indeed will play
a role in creating a more inclusive financial system, is yet to be seen. However, this technology is
here to stay, and it will be disruptive. As with the Internet in the 1990s, how fast market participants
integrate this “trust machine” into the financing and operation of infrastructure will affect their
competitiveness for years to come.
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Tokenization of Infrastructure
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The purpose of this section is to provide a brief description of the more technical blockchain-related
terms used throughout the paper.
51% ATTACK
“51% attack” refers to an attack vector on blockchains with a proof-of-work consensus mechanism. If
a certain group acquires more computing power than the rest of the network combined, it can reverse
past transactions, while in control, and prevent new ones from being confirmed on the blockchain.
For example, in the case of Bitcoin, the cost of such an attack would be huge, while potential benefits
quite uncertain. Therefore it is not considered to be the most likely attack vector. If the goal of
the malicious actor is not to double spend but to disrupt the network, distributed denial of service
attacks are a much more cost efficient way to do so (van Valkenburgh, 2018).
AIRDROPS
In the blockchain context, airdrops refer to the free distribution of tokens to community members. A
good analogy would be customers of an airline receiving miles, which can be later used for additional
services within the same ecosystem.
Blockchain start-ups usually use airdrops as a promotional activity to raise awareness and to
bootstrap their projects. Also, airdrops can be used to reward existing customers, similar to vouchers
and other commercial discounts in the traditional world. As some of the airdrops require recipients
to register, it could also serve as a way to build client databases, enabling more targeted marketing
(Katalyse.io, 2018). Airdrops can also play an important role in creating a network effect by expanding
the number of participants in the ecosystem. If more people own the token then there is potentially
more liquidity and use of the network.
For example, Stellar, the sixth biggest cryptocurrency based on market capitalization, has given away a
majority of their 100 billion tokens created. Fifty per cent of the tokens were distributed to individuals
who registered with an invitation link; 25 per cent of the tokens were given away to partners of Stellar;
and 20 per cent were given to bitcoin and XRP (another cryptocurrency) holders (Stellar, n.d.).
In 2018 we saw increased airdrop activity as a way to distribute tokens instead of the usual ICO
model. The reason behind this is that regulators have signalled that many of the ICOs could be
considered unauthorized security offerings. Airdrops are one way to ensure that the tokens are not
considered to be securities, as they do not raise funding from recipients.
BLOCKCHAIN
Blockchain is a peer-to-peer distributed ledger technology invented by Satoshi Nakamoto in 2009
to serve as the public transaction ledger for the cryptocurrency bitcoin. It allows the transfer and
storage of data without relying on a third party. Each block contains a set of transactions, which are
linked using cryptography. Once information is confirmed by the network, it cannot be altered without
the consensus of the network and without changing all the subsequent blocks.
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Figure A1 . Blockchain
Valid transactions are put into blocks by the nodes, also called miners. Each block has a unique
cryptographic hash, which is essentially a string of digits. Even the slightest change in the block will
result in a completely different hash. The header of the proposed block includes this unique hash
along with some other data. The hash of the header becomes the new block’s identifying string, and
that block is now part of the ledger, as illustrated in Figure A1 (The Economist, 2015a).
It is also important to distinguish between public permissionless, public permissioned and private
blockchains.
On a permissionless blockchain, anybody can become a node (i.e., a network validator), create a
wallet on the blockchain and send transactions. There is no centralized entity operating the network
or having the power to change the underling protocol or shut down the system. All transactions
processed by the network are visible to the public. Most cryptocurrencies, like bitcoin, operate on a
permissionless public blockchain.
For a public permissioned blockchain, there is a centralized entity or selected entities that have
the power to grant permissions to perform specific functions on the blockchain, such as validating
transactions. As it is a public blockchain, transactions are transparent and can be seen through the
relevant blockchain explorer. For example, XRP of Ripple, a cryptocurrency, is operating on a public
permissioned blockchain.
Private permissioned blockchains are usually set up for a specific purpose and are controlled by
a single entity. They are often used by companies who want to take advantage of the blockchain
technology to streamline their internal processes. Often there is no mining involved. If a particular
use case requires high confidentiality, transaction throughput and immediate finality, then private
permissioned blockchains are probably the best solution (Kolisko, 2018). Hyperledger Fabric from the
Linux Foundation is a popular private blockchain framework.
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CONSENSUS MECHANISM
Consensus mechanism is the process by which nodes agree on which transactions are valid. In other
words, it determines how decisions are made on the network. There are several different consensus
mechanisms available. Proof of work and variations of proof of stake are currently the most popular
of them.
• Proof of Work: The purpose of this algorithm is to prevent cyberattacks on the system by
being time consuming and resource intensive to produce, but easy to verify. It also enables a
distributed and trustless consensus. It is an important component of “mining,” which is the
process of verifying the legitimacy of transactions and creating new digital currencies as a
reward for the “miners.” Bitcoin and many of the leading cryptocurrencies use proof of work
(Blockgeeks, n.d.).
• Proof of Stake: The purpose of this algorithm is the same as for proof of work, but how it
achieves this goal is different. In a proof of stake system, the creator of the next block is
selected in a deterministic way, such as size of holdings, as opposed to solving complex
mathematical puzzles. There are no digital currencies created through mining, and validators
receive only the transaction fees. This means that all the coins that will ever be available are
created in the beginning. Some of the newer cryptocurrencies (e.g. NEO, Lisk, Cardano) use
proof of stake.
ERC20 TOKEN
ERC20 is a token protocol standard on the Ethereum blockchain. It describes the functions and rules
that an Ethereum-based token has to implement (The Ethereum Wiki, 2018). This is by far the most
popular token standard used by initial coin offerings. ERC20 tokens can be traded the same way as
any other cryptocurrency or token. The main difference is that they do not have their own dedicated
blockchain, but instead they use Ethereum’s. The ERC20 token standard offers the following benefits
(Khatwani, 2018):
At the time of writing, there are more than 130,000 different ERC20 token contracts on the Ethereum
blockchain (Etherscan, n.d.).
Soft fork is similar to a backward-compatible software upgrade. It does not require all nodes to
upgrade to reach consensus, but blocks produced based on the old set of consensus rules have a
chance to become stale (i.e., get discarded and do not become part of the blockchain).
Hard fork, on the other hand, is major non-backward compatible upgrade of the underlying protocol.
In order to continue validating transactions, nodes need to upgrade to the new version. If there is
continued mining support of the old version then the blockchain may fork (i.e., both versions continue
to exist at the same time).
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In the case of planned hard forks, developers have consensus beforehand, so there is usually only a
single blockchain continued after the upgrade. On the other hand, for contentious hard forks there
is usually a significant disagreement between groups of developers on what upgrades will result in
a superior blockchain. One notable example is the Bitcoin Cash fork, where proponents of Bitcoin
Cash advocated for a block size increase of Bitcoin, while the majority of developers wanted to scale
Bitcoin in different ways (Asolo, 2018). This resulted in two separate blockchains, each having its own
set of developers and miners: Bitcoin (BTC) and Bitcoin Cash (BCH).
is a security.” one could benefit from the success of the platform or service
through the price appreciation of the token but would not
have ownership rights or receive dividends. Since regulators
Securities and Exchange Commission signalled that many of the ICOs were actually unauthorized
chairman Jay Clayton
security offerings (Higgins, 2018), this funding model has evolved
at a U.S. Senate hearing on
significantly. Now ICOs are only used for cryptocurrencies and
cryptocurrencies in February 2018
utility tokens, while STOs are used for raising venture-capital-type
(Higgins, 2018)
funding from eligible investors.
Under both the ICO and STO models, investors receive a predetermined number of newly issued
crypto tokens in exchange for bitcoin, Ethereum or fiat currencies. Unlike venture capital, these
tokens are usually tradable not long after issuance, once listed on an exchange, providing an efficient
secondary market for investors.
SMART CONTRACTS
Smart contracts are computer programs intended to verify or implement a contract. They execute
a pre-defined set of terms automatically in a trackable and irreversible manner without the need
for a third party (Tar, 2017). The idea was originally described by Nick Szabo, a cryptographer, using
a vending machine as an example: a specific set of input generates a predefined output. While it is
possible to have basic smart contracts on the Bitcoin blockchain, they only gained real traction with
the emergence of Ethereum. This blockchain platform enabled the creation and implementation of
complex smart contracts and contributed significantly to the popularity of smart-contract-based
decentralized applications (Dapps).
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TOKEN TYPES
Financial regulators are working on a clear set of rules for categorizing digital tokens. The objective
is to help issuers understand what the applicable regulations are for their tokens and how to do
regulatory-compliant new issues. Currently these categories vary across jurisdictions. FINMA, the
Swiss Financial Market Supervisory Authority, categorizes tokens into three groups based on their
economic functions and purposes (FINMA, 2018):
It is possible to have hybrid forms, where tokens belong to more than one category. Based on this
categorization, all tokenized infrastructure would be treated as an asset token, requiring issuers to
comply with relevant securities law and civil law requirements.
TOKENIZATION
Bankex (2018) defines tokenization as the “process of transferring the information and associated
values of real-world assets onto the blockchain.” In other words, tokenization is the digitalization of
real-world assets. It is similar to securitization in financial markets as it also transforms an illiquid asset
into a tradable security, or in this case, a token. It also allows for fractional ownership, as each token
represents a small part of the underlying asset. In theory, any type of asset can be tokenized as long as
there is a process in place to ensure consistency between the on-chain token and the off-chain asset.
For the purposes of this paper, infrastructure tokenization refers to the tokenization of the equity of
the special purpose vehicle owning the infrastructure. Even if it will become possible to tokenize one
square metre of a building, this approach would not make sense for the type of solutions we seek to
explore in this paper. As infrastructure is mostly financed by debt, usually 70 per cent, project debt
tokenization is certainly worth considering. The first blockchain-based bond was recently issued by
the World Bank, raising AUS 110 million (World Bank, 2018).
With the use of smart contracts, the characteristics of traditional financing instruments, such as
equity and bonds, can be mixed and combined as needed. Consequently, tokenization can enable
another level of financial engineering, where different hybrid instruments can be designed to suit the
specific needs of the project. For example, currently it is not possible to have voting rights for traditional
bonds, while for tokenized bonds, it would just be adding another smart contract to the token.
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©2019 The International Institute for Sustainable Development
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