As Bitcoin reclaimed the $5,400 level on May 1, 2019, a quieter but equally significant revolution was unfolding on the Ethereum blockchain. Decentralized finance — better known as DeFi — had just crossed a landmark threshold: total outstanding loans across major protocols surpassed $100 million for the first time, signaling that trustless, blockchain-based financial services were no longer just an experiment.
TL;DR
- Total outstanding DeFi loans crossed $100 million in early May 2019, a first for the ecosystem
- Q2 2019 saw $155 million in loan origination across MakerDAO, Compound, Dharma, and dYdX — up 130% from Q1
- MakerDAO dominated with approximately 50% of all Ethereum DeFi activity, charging a stability fee that peaked at 19.50%
- dYdX launched its V2 margin trading platform in April, expanding decentralized lending options
- Bitcoin traded at $5,402.70 and Ethereum at $160.82, providing the backdrop for DeFi growth
Bitcoin Recovery Fuels DeFi Expansion
May 1, 2019 marked a notable moment for the broader cryptocurrency market. Bitcoin had surged above $5,400 for the first time since the Tether-Bitfinex controversy had temporarily shaken investor confidence. According to CoinMarketCap data, BTC was trading at $5,402.70 with a market capitalization of approximately $95.5 billion, while Ethereum sat at $160.82 with a $17 billion market cap.
The market recovery was not limited to Bitcoin. CoinGeek’s daily market report noted that most major cryptocurrencies posted gains on the day, with BCH up 12%, Litecoin gaining 6% to reach $73.66, and XRP rising approximately 5% to $0.3047. The broad-based rally created a favorable environment for decentralized applications built on Ethereum.
The $100 Million DeFi Breakthrough
According to data from LoanScan, total outstanding loans in decentralized finance protocols first reached the $100 million mark at the beginning of May 2019. By the end of June, this figure had surged to $117 million — a 27% increase in just two months. The growth trajectory was remarkable: after originating $66.3 million in loans during Q1 2019, DeFi protocols collectively generated $155 million in Q2, representing a 130% quarter-over-quarter increase.
On average, over 300 loans were originated daily across the leading protocols during Q2, with close to $2 million in daily origination volume. This was a clear departure from the experimental phase of 2018, when many dismissed decentralized lending as a niche curiosity.
MakerDAO: The Undisputed DeFi Leader
MakerDAO remained the dominant force in the DeFi ecosystem, accounting for approximately 50% of all activity on the Ethereum DeFi landscape. The protocol’s single-collateral DAI — backed exclusively by ETH at this point — served as the backbone of decentralized lending. Through the issuance of DAI stablecoins, MakerDAO facilitated the majority of loan origination volume across both Q4 2018 and Q1 2019.
However, this dominance came at a cost. MakerDAO’s stability fee — the interest rate charged to users who collateralize their ETH to mint DAI — peaked at an eye-watering 19.50% in May 2019. The high rate reflected both the surging demand for DAI and the protocol’s efforts to maintain the stablecoin’s dollar peg amid market volatility. For borrowers, it meant that accessing liquidity through MakerDAO was significantly more expensive than traditional alternatives — a trade-off many were willing to accept for the benefits of decentralization and censorship resistance.
The Rising Challengers: Compound, dYdX, and Dharma
While MakerDAO held the crown, several protocols were gaining momentum. dYdX, which launched its V2 margin trading platform in April 2019, offered decentralized lending and borrowing with a focus on sophisticated trading strategies. By August, dYdX would grow to approximately 150 daily active users — modest by today’s standards, but significant for a fully on-chain financial application at the time.
Compound was emerging as another major player, creating money markets for various ERC-20 tokens on Ethereum. The protocol allowed users to supply assets and earn interest, or borrow against their collateral — a model that would later become the template for much of DeFi’s explosive growth. Dharma, meanwhile, focused on making decentralized lending more accessible to everyday users with a simpler interface.
Together, these protocols formed the foundation of what industry analysts at TokenInsight valued at over $850 million in total value locked across the DeFi ecosystem by the end of 2019.
Why Ethereum Matters for DeFi
The DeFi boom was inseparable from Ethereum’s position as the leading smart contract platform. On May 1, 2019, there were 8,856 active Ethereum nodes supporting the network — only slightly fewer than Bitcoin’s 9,476. This robust infrastructure enabled the trustless execution of complex financial transactions through smart contracts, eliminating the need for traditional intermediaries like banks or clearinghouses.
Ethereum’s ERC-20 token standard provided the common language that allowed different DeFi protocols to interoperate. A user could deposit ETH into MakerDAO, mint DAI, supply that DAI to Compound to earn interest, and use the resulting cTokens as collateral on dYdX — all without trusting a single centralized entity. This composability, often called “money legos,” was the key innovation that set DeFi apart from earlier attempts at blockchain-based finance.
Why This Matters
The $100 million milestone in early May 2019 was a turning point that many in the crypto community overlooked while focused on Bitcoin’s price action. It demonstrated that decentralized financial services could attract meaningful capital and generate real economic activity — not just speculative trading. The 130% quarter-over-quarter growth in loan origination suggested that DeFi was finding genuine product-market fit among crypto-native users who valued financial sovereignty and programmable money.
The high MakerDAO stability fee of 19.50% also highlighted a crucial lesson: decentralized systems could dynamically adjust their parameters in response to market conditions, something traditional financial institutions could only dream of implementing in real time. This flexibility would prove essential as DeFi continued to scale in the months and years ahead.
Looking back, May 2019 represents the moment DeFi graduated from a theoretical concept to a functioning financial system — one that would eventually grow to lock hundreds of billions of dollars in value.
Disclaimer: This article is for informational purposes only and does not constitute financial advice. The cryptocurrency market is highly volatile, and readers should conduct their own research before making any investment decisions. Past performance is not indicative of future results.
$100M total DeFi loans and we thought that was huge. now we do that in fees in a week
MakerDAO at 50% of all DeFi activity with a 19.5% stability fee. early degen vibes
dYdX V2 margin trading launch in april 2019 was lowkey one of the most important DeFi events. nobody noticed
$155M in Q2 loan origination up 130% from Q1. the growth curve was unmistakable even then