Compound, founded by Robert Leshner in 2017, didn’t invent DeFi lending — but it invented the incentive mechanism that made DeFi lending explode. In June 2020, Compound launched its COMP governance token and distributed it to users who supplied or borrowed assets on the protocol. This “liquidity mining” innovation — paying users tokens for using the protocol — triggered DeFi Summer and became the template for the entire DeFi industry.
The mechanism was brilliantly self-reinforcing: users earned COMP tokens for lending and borrowing, COMP had market value, so the effective yield on deposits skyrocketed. This attracted more deposits, which attracted more borrowers, which generated more fees, which justified higher COMP prices. At its peak, Compound held over $10 billion in TVL and COMP traded above $900.
Compound’s governance model — one of the first truly functional on-chain governance systems — allowed COMP holders to propose and vote on protocol changes. This was pioneering but not without drama. In September 2021, a governance proposal accidentally sent $80 million in COMP tokens to the wrong addresses. Leshner initially tweeted asking recipients to return the funds, threatening to report them to the IRS — a response widely mocked as antithetical to DeFi’s permissionless ethos. The funds were eventually mostly returned.
By 2024, Compound had ceded its dominant position to Aave, which offered more assets, more chains, and more features. Compound III (launched 2022) simplified the protocol architecture but didn’t recapture market share. Compound’s legacy is secure regardless: it invented the token incentive model that bootstrapped the entire DeFi ecosystem. Nearly every DeFi protocol that followed — from SushiSwap’s vampire attack on Uniswap to Blur’s points system — traces its incentive design lineage back to Compound’s COMP distribution.
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