Blockchain and Decentralized Finance:
2023 Intro

 

Presenter:           Andreas Park
 

 

Agenda

  1. Background:
    • Vocabulary & Evolution
    • What's DeFi and what's different to TradFi?
    • Explain some key DeFi applications
    • What do we know about tokens?
       
  2. Getting your hands dirty!

What is a Blockchain?

What is a Cryptocurrency?

Conceptually, what is a blockchain?

payments

stocks, bonds, and options

swaps, CDS, MBS, CDOs

insurance contracts

A blockchain is a

  • general purpose
  • open access
  • value management
  • infrastructure
  • that is communally run

What makes DeFi different from TradFi

decentralized finance =
provision of financial service functionality without the necessary involvement of a traditional financial intermediary like a bank or broker-dealer*

digital media =
provision of information service functionality without the necessary involvement of a traditional information intermediary like a publisher, library, or newagency

*my take: applies to only commoditizable services

trading Infrastructure

payments network

Stock Exchange

Clearing House

custodian

custodian

 beneficial ownership record

seller

buyer

Broker

Broker

Application: decentralized trading with automated market makers

AMM Pricing

  • Purchase \(q\) of asset
     
  • Deposit cash \(\Delta c (q)\) into liquidity pool, extract \(q\) of shares
     
  • liquidity before trade \(=\) after trade
    \[L(a,c)=L(a-q,c+\Delta c)\]

Source of savings: 

  • better risk sharing among liquidity providers
  • better use of capital

Possible transaction cost savings when applied to equity trading: \(\approx\) 30%

Source: "Learning from DeFi: Would Automated Market Makers Improve Equity Trading?" working paper, Malinova & Park 2023

Application: Decentralized Borrowing & Lending

borrow

provide collateral

The Flow of Event: Normal Times

The Flow of Event: Collateral Liquidation

Dapp composability ("DeFi LEGOS") & Flash loans

Interest rates: a function of pool usage

threshold usage rate

Some Data

Obvious Smart Contract Application: Automate Investment  Strategies

idea: create new mutual fund like asset 

"yield aggregator:" push capital where rate of return is highest

Platforms, Peer-to-Peer, and Decentralization

Philosophy of Peer-to-peer

Traditional Market 
two-sided with fixed roles

  • consumers \(\leftrightarrow\) producers
  • consumers \(\leftrightarrow\) intermediaries \(\leftrightarrow\) producers

Decentralized Market?
value management protocol \(\not=\) market

  • blockchain \(=\) application execution \(=\) intermediary
  • blockchain-native \(\Rightarrow\) requires platform thinking
  • consumers \(=\) producers

Peer-to-peer \(\Rightarrow\) Platforms

liquidity \(\nearrow\)

volume \(\nearrow\)

protocol fees \(\nearrow\)

token value \(\nearrow\)

Platform economics is tricky:

  • What's the product?
  • How do you get it started?
  • How do you get people to contribute?
  • How do you earn money?

it works!

A Consequence of Liquidity Mining: Yield Aggregators

Idea:

  • strategy to systematically take advantage of token issuance (liquidity mining) programs
  • like pooling funds to take advantage of banks deposit incentives
  • liquidity flees quickly
  • "mirage" effect: yield aggregators borrow what they deposit

Who controls the Projects? Decentralized Autonomous organizations

UniSwap Lab supports development

a website app accesses the code

token holders control contact features

don't own the code

operation = decentral

control = decentral

anyone can use the baseline code

core code runs on the blockchain

tokens used as rewards

A Taxonomy of Tokens

  • tokens are a re-imagination of value, ownership, use, rewards
     
  • tokens live on a single infrastructure and can interact with other tokens
     
  • tokens are immediately transferable  & immediately usable in DeFi
     
  • token can be programmed to have many features and have many different uses

  • tokens can assign ownership to "things" that could not be owned before
     
  • tokens are often important for the functioning and incentives of platforms

What's a crypto-token and what's special about it?

  • a blockchain is a protocol in which
    • users have direct control and responsibility over their assets
    • users can create codes at will
    • \(\rightarrow\) any user can create tokens and applications

Tokens by use

payments:

  • you use them strictly to pay for something
  • example: native cryptocurrencies


     

utility

  • you use them to access a specific service of function
  • example: filecoin


     

stablecoins

  • digital representation of fiat money
  • centralized/ decentralized
  • examples: DAI, USDC, USDT
     

governance

  • voting rights to determine parameters of a project
  • example: UNI, Compound etc

     

asset

  • representation of ownership
  • pool claims, digital items
  • example: receipts from UniSwap, Compound, NFTs

derivatives

  • tokens based on other tokens & functions
  • Example: tokensets


     

Disclaimer: this list in non-exhaustive, new ideas and concepts come up every day!

Stablecoins

BTC, ETH

fiat: USD, EUR

asset (gold)

fee-backed

Seigniorage

Crypto

Traditional

Algorithmic

Collateral-Backed

Taxonomy of Stablecoins

Asset-Backed stablecoins: USDT & USDC

Stablecoins: Digital Representations of the USD

BIS Survey of Central Banks:

The Terra Implosion

UST Stablecoin

LUNA (cryptocurrency of the TERRA network)

How did TUSD work?

  • "algorithmic stablecoin" USDT
  • network token LUNA
    • \(\to\) a utility token for the TERRA blockchain
    • \(\to\) has value if people value the network
  • When 1TUSD > 1USD
    • \(\to\) print more tokens
    • \(\to\) inflation
    • \(\to\) price TUSD \(\searrow\)
  • When 1TUSD < 1USD
    • \(\to\) exchange 1 TUSD for $1 of LUNA
    • \(\to\) receive $1 worth of something that cost < $1
    • \(\to\) demand for TUSD \(\nearrow\)
    • \(\to\) price for TUSD \(\nearrow\)
  • What is the problem?
    • conversion leads to inflation of LUNA
    • \(\to\) large conversions lead to inflation \(\to\) price drops in LUNA
    • \(\to\) conversion takes time and price may drop too fast
    • \(\to\) wrecks the arbitrage mechanism

Source: On-chain Foreign Exchange and Cross-border Payments by Austin Adams, Mary-Catherine Lader, Gordon Liao, David Puth, Xin Wan (2023) [team from UniSwap Labs]

DeFi fees:

  • fiat to crypto on ramp: 0%-1%
  • exchange fees 1-5bps
  • network fee: $0.001-5$
  • off-ramp fee: 0%-1%
  • total: from close to 0 to 2%+$5
  • Canada has 800,000 international students
     
  • admits around 300,000-400,000 annually
     
  • Government of Canada: "We estimate that in 2017 and 2018 respectively, international students in Canada spent $18.4 billion and $22.3 billion on tuition, accommodation, and discretionary spending."
     
  • Most of these funds are transferred from foreign countries to Canada in large sums.
     
  • Students regularly get harrassed by tellers/banks about the source of their funds.

Canada is a country of international students

  • To get admitted & get a visa you need to
    • make a sizeable deposit
    • prove that you have funds for tuition and sustaining your life
  • How??? \(\to\) expensive brokers and other shady arrangements

Challenges

Source: Cambridge Bitcoin Energy Consumption Index https://cbeci.org/

Challenge 1: Energy Consumption

Source: Cambridge Bitcoin Energy Consumption Index https://cbeci.org/

Challenge 1: Energy Consumption

Usage

Network DApps Dollarvolume
Ethereum 3,500 $40-50B
Solana 100 $2.5B
Binance Smart Chain 250 $3B
Avalanche 400 <$.5B
EOS 300 <$100M
Algorand 12 <$20M

Ethereum Challenge 1: Environment

  • Carbon footprint of Switzerland
  • Power consumption of Austria

problem solved

transactions per second T per 12 hours (business day)
Bitcoin 7 302,400
Ethereum 30 1,296,000
Algorand 2000 86,400,000
Conflux 4000 172,800,000
Athereum 5000 216,000,000
Payments Canada ACSS 648 28,000,000
US retail 7639 330,000,000
Canada number of equity trades 46 2,000,000
Orders on Canadian equity markets 3588 155,000,000

  • Tweaks: lighting network (BTC) or side chains, SegWit, blocksize possible, but there are limits

  • microtransactions, IoT, and other smart contract use cases place very high demands

Ethereum Challenge 2: Throughput

Ethereum Challenge 2: Throughput

Source: Etherscan w re-scaling

Ethereum Challenge 3: State Size

Source: Ycharts

Major Ethereum Tech Upgrade: The Merge

scheduled date: September 13

Money Laundering and Crime

Banned addresses

criminals don't use USDC - why are we so worried?

Tornado cash

Chainalysis Crime Report

extra info:

  • 2019:  PlusToken Ponzi scheme 
  • numbers depend on known addresses, e.g., 2021 report listed ~.3% for 2020 and upped to .65 now

Hacks, Thefts, and Exploits

Common Reasons: hacks, faulty code, tricking a protocol

Miner extractable value and High Priority Gas Auctions

2022: the year of crypto crashes

From a slow slide to a thorough crash

-75%

-75%

!

A timeline

 May 7: selling pressure on UST from Curve withdrawals

May 12: LUNA and UST at $0.01

June 27: Three Arrows Capital ordered to liquidate

June 12: Celsius Network suspends withdrawals

July 13: Celsius files for Chapter 11

July 6: Voyager Digital files for Chapter 11

July 4: Vault suspends withdrawals

Three Arrows Capital lost >60% of value and faces numerous margin calls that they did not react to

\}

partially "saved" by \(\ldots\) FTX

The FTX Implosion

A timeline

Nov 8

Recurring Core problem QuadrigaCX:

  • QuadrigaCX:
    • Gerry Cotton sold people crypto he did not have
  • FTX:
    • auto-execution of margin calls for all except Alameda
    • SBF used customer funds to hide "short" market maker Alameda

Fundamental Problems: Solution sans Regulators?

IN FINANCE TERMS

  • hedge = off-setting position
  • here: unhedged/"leverage"
     

Solution

  • prove aggregate positions
  • prove assets & liabilities
  • asset = liabilities \(\Rightarrow\) solvency

New trend: data providers check assets

  • Assets: cash in bank accounts and crypto assets in exchange wallets

  • Liabilities:  customers' crypto and cash deposits

  • Proof of crypto assets

    • publish all exchange wallets

    • proof of control: shift assets from one address to another at a pre-determined time
       

  • Proof of crypto liabilities

    • public customer balances - customer can check

      • own holding

      • sum of all

  • Problem: privacy (adequate solutions exist)

Proof of Assets & Liabilities

A timeline

 May 7: selling pressure on UST from Curve withdrawals

May 12: LUNA and UST at $0.01

June 27: Three Arrows Capital ordered to liquidate

June 12: Celsius Network suspends withdrawals

July 13: Celsius files for Chapter 11

July 6: Voyager Digital files for Chapter 11

July 4: Vault suspends withdrawals

Three Arrows Capital lost >60% of value and faces numerous margin calls that they did not react to

\}

partially "saved" by \(\ldots\) FTX

all centralized!

Centralized vs Decentralized?

Why are Blockchains challenging for current regulation?

What is blockchain=crypto? Some basic facts

anyone can use it

a open, general-purpose
digital value management tool
that maintains digital scarcity

ownership & control is direct and not intermediated

it's a protocol, not a thing

it does not belong to anyone

practically impossible to prevent the creation of code

borderless and digital

does not require high tech, a laptop is enough

requires use of tokens

What is blockchain=crypto? Some basic facts

anyone can use it

a open, general-purpose
digital value management tool
that maintains digital scarcity

ownership & control is direct and not intermediated

it's a protocol, not a thing

it does not belong to anyone

practically impossible to prevent the creation of code

borderless and digital

does not require high tech, a laptop is enough

requires use of tokens

The Investment Process

issuers

investors

  • funding
  • record-keeping
  • instruments
  • custody
  • advice
  • trading

services
needed & provided

  • takes care of custody and allows self-custody
  • allows instrument creation
  • enables record-keeping
  • allows circumvention of existing institutions

A general purpose value management infrastructure:

intermediaries

separate institutions

  • asset custodians
  • broker-dealers
  • trading platforms

The blockchain reality:
new institutions
emerged that do all three

tokens are often not intended to be investments!

... and that brought us ...

  • wash trading
  • pump-and-dump schemes
  • Bitfinex-Tether price manipulations
  • cyber hacks
  • epic thefts, "rug pulls," and fraud
  • crypto trading platforms and custody risk
  • subtle changes in rules to make holding and using crypto illegal/impossible
  • regulation by enforcement actions
  • "almost all crypto-assets are securities"
  • rushes to pre-empt Congress

Regulators' Focus

MiCA

  • whitepaper rule
  • platforms as money services businesses

What is a security and why does it matter?

  • simple view: investment contract
  • traditional view/test: Howey/Pacific Coin 
    • investment of money
    • in a common enterprise
    • with reasonable expectation of profits
    • derived from the efforts of others

"What's the big deal \(\to\) just download a form from our website and register!"

  • latest S.E.C. view: security =
    • investment of money by small investors
    • small group of people work on bettering the "eco-system"
    • and avertise betterment and advances

\(\Rightarrow\) people (may) buy token with investment motive

\(\Rightarrow\) require protection from securities law

What is a security and why does it matter?

  • TS is a business enterprise
  • many people buy TS tickets
  • with clear expectation of profit
  • based on the efforts of TS and her team
  • and trade them in a public market
  • people buy Aeroplan cards and points
  • with the expectation to benefit of them in the future
  • hoping that Aeroplan provides a useful service in the future
  • Problem 1: many tokens as securities become untradeable and lose their use value
     
  • Problem 2: issuer compliance with self-custody is almost impossible
     
  • \(\Rightarrow\) it is impossible to balance investor protection and user needs with the current U.S. tools

So what's the problem here?

But this has happened before!

When alternative trading systems emerged in the late 1990s, they were illegal exchanges under securities law because they were not broker-owned!

The S.E.C. approached the problem with no action letters and eventual changes in outdated rules

The Regulator's Dilemma

The Regulator's Dilemma

benign
crypto-assets

non-benign crypto-assets or crypto-assets that look like securities but are unregistered

crypto-assets that look like securities and are registered

crypto-assets that regulators feel comfortable to be traded on a platform under their supervision

The Regulator's Dilemma

The Reality of Markets

benign
crypto-assets

non-benign crypto-assets or crypto-assets that look like securities but are unregistered

crypto-assets that look like securities and are registered

crypto-assets that you feel comfortable to be traded on a platform under your supervision

The Dilemma

  • blockchain as an idea will not become uninvented
  • there is continuous research & development, including by universities
  • when another hype starts, people will want to get their hands on the assets
  • blockchains are borderless by design
  • "tough" regulation pushes firms outside of jurisdictions
  • no regulation can prevent the bankruptcy of an offshore entity
  • willing issuers want clear guidance 
  • but issuers of crypto assets cannot comply with current rules

Final Thoughts

Some Final Thoughts

  • blockchain tech won't get uninvented.
     
  • young people and universities keep working on blockchain ideas
     
  • the space is still trying to figure things out, including tech and economic challenges
     
  • great progress has been made, but things will and do still go wrong
     
  • a common resource can have huge economic benefits
     
  • I'd like to see more thinking and discussion about paths to unlock the benefits

@financeUTM

andreas.park@rotman.utoronto.ca

slides.com/ap248

sites.google.com/site/parkandreas/

youtube.com/user/andreaspark2812/

Intro to Blockchain and DeFi 2023

By Andreas Park

Intro to Blockchain and DeFi 2023

  • 396

More from Andreas Park