If you\u2019ve spent any time in DeFi, you\u2019ve probably heard of Aave. With over $38 billion locked across multiple chains\u00b9\u2074, it\u2019s become the go-to lending protocol for both retail users and institutions. But how did a project that started as \u201cETHLend\u201d in 2017 transform into the DeFi powerhouse we know\u00a0today?<\/p>\n
Let me take you through everything you need to know about Aave\u200a\u2014\u200afrom its humble beginnings to its current dominance, and why it matters for the future of\u00a0finance.<\/p>\n
Back in 2017, Stani Kulechov, a law student in Finland, had an idea. What if people could lend and borrow cryptocurrency without going through a bank? This wasn\u2019t a new concept\u200a\u2014\u200apeer-to-peer lending existed\u200a\u2014\u200abut Stani wanted to do it on Ethereum.<\/p>\n
ETHLend launched with an ICO that raised $16.2 million in November 2017 \u00b9. The platform used LEND tokens and smart contracts to enable peer-to-peer lending with cryptocurrency collateral.<\/p>\n
But there was a\u00a0problem.<\/p>\n
Finding matches was inefficient, liquidity was fragmented, and the user experience was clunky. By 2018, with only $3 million in loan volume, it became clear that the peer-to-peer model wasn\u2019t working\u00b2.<\/p>\n
So the team\u00a0pivoted.<\/p>\n
In January 2020, they launched Aave (Finnish for \u201cghost\u201d) on mainnet and introduced a pool-based model\u00b3. Instead of matching individual lenders with borrowers, Aave created shared liquidity pools. The LEND token was migrated to AAVE at a 100:1 ratio in October\u00a02020\u2074.<\/p>\n
The transformation was dramatic. Within months, Aave grew from a struggling startup to reaching $1 billion TVL by August\u00a02020\u2075.<\/p>\n
At its core, Aave is beautifully simple. Here\u2019s the\u00a0flow:<\/p>\n
Deposit assets<\/strong> (like USDC, ETH, or WBTC) into Aave\u2019s\u00a0poolsReceive \u201caTokens\u201d<\/strong> in return (aUSDC, aETH,\u00a0etc.)Watch them grow<\/strong>\u200a\u2014\u200aaTokens automatically increase in balance as interest\u00a0accruesWithdraw anytime<\/strong>\u200a\u2014\u200aburn aTokens to get your deposit +\u00a0interest<\/p>\n Deposit collateral<\/strong> (must be more than what you\u00a0borrow)Borrow assets<\/strong> up to a certain percentage of your collateral valuePay interest<\/strong> on your\u00a0loanStay safe<\/strong>\u200a\u2014\u200aif your collateral value drops too much, you get liquidated<\/p>\n The magic happens through interest rate algorithms. When demand for borrowing is high, rates go up, incentivizing more deposits and fewer loans. When demand is low, rates drop. It\u2019s pure market dynamics at\u00a0work.<\/p>\n Aave didn\u2019t just copy existing models\u200a\u2014\u200athey innovated. Here are the game-changers:<\/p>\n Introduced in January 2020, Aave pioneered uncollateralized loans that must be repaid within the same transaction\u2076. Sound crazy? These enable arbitrage, collateral swaps, and self-liquidations. As of 2024, over $7 billion in flash loans have been executed\u2077.<\/p>\n Borrowers can switch between stable and variable interest rates, hedging against market volatility\u2078.<\/p>\n Depositors can delegate their credit lines to others, enabling uncollateralized loans based on\u00a0trust\u2079.<\/p>\n Part of V3 (launched March 2022), newer, riskier assets can be listed with restrictions, protecting the protocol while enabling innovation\u00b9\u2070.<\/p>\n Borrowing power increases when collateral and borrowed assets are correlated (like stETH and ETH), improving capital efficiency by up to 98%\u00a0LTV\u00b9\u00b9.<\/p>\n Aave recognized early that DeFi wouldn\u2019t live on Ethereum alone. Their deployments include:<\/p>\n Ethereum Mainnet<\/strong> (Jan 2020)\u200a\u2014\u200aThe\u00a0OGPolygon<\/strong> (May 2021)\u200a\u2014\u200aLower fees, faster transactionsAvalanche<\/strong> (Oct 2021)\u200a\u2014\u200aHigh throughputArbitrum & Optimism<\/strong> (2022)\u200a\u2014\u200aEthereum Layer\u00a02sBase<\/strong> (2024)\u200a\u2014\u200aCoinbase\u2019s Layer\u00a02And many\u00a0more\u2026<\/p>\n Each deployment passed through Aave\u2019s governance process, with risk assessments by Gauntlet and other risk managers\u00b9\u00b3.<\/p>\n Total Value Locked<\/strong> ~$38\u201340 billion\u00b9\u2074\u2019\u00b9\u2075<\/p>\n Cumulative Revenue<\/strong> $170 million\u00b2\u2070<\/p>\n 2025 Revenue (YTD)<\/strong> $57 million (1.44x higher than\u00a02024)\u00b2\u2070<\/p>\n Daily Revenue Growth<\/strong> 187% over the past 90\u00a0days\u00b2\u2070<\/p>\n Market Cap<\/strong> ~$4.9 billion\u00b9\u2076\u2019\u00b9\u2079<\/p>\n Market Share<\/strong> Nearly a quarter of DeFi\u2019s total\u00a0TVL\u00b9\u2074<\/p>\n During June 2024, Aave was generating $115 million in annualized revenue\u00b2\u00b9, demonstrating strong protocol economics even before the recent\u00a0surge.<\/p>\n No DeFi protocol is risk-free, and Aave is no exception:<\/p>\n Despite multiple audits, bugs could exist. The protocol has bug bounties up to $250,000.<\/p>\n On August 6, 2024, Aave v3 saw $234 million in liquidations, including $137 million WETH\u00b2\u00b3. If your collateral drops in value, you can lose\u00a0it.<\/p>\n Aave relies on price feeds from Chainlink. If these fail or get manipulated, bad things\u00a0happen.<\/p>\n AAVE token holders control the protocol. Poor decisions could harm\u00a0users.<\/p>\n While peripheral contracts have seen minor exploits (like the $56,000 ParaSwapRepayAdapter incident)\u00b2\u2074, the core Aave protocol has remained resilient.<\/p>\n AAVE isn\u2019t just a governance token\u200a\u2014\u200ait\u2019s the protocol\u2019s backstop. Holders\u00a0can:<\/p>\n Vote<\/strong> on protocol\u00a0changesStake<\/strong> AAVE in the Safety Module (earning ~7%\u00a0APR)Protect<\/strong> the protocol (staked AAVE can be slashed if the protocol suffers\u00a0losses)<\/p>\n With only 16 million tokens in circulation and strong utility, AAVE has performed well despite bear markets. As of 2025, $958.51 million worth of AAVE is staked (19.33% of market\u00a0cap)\u00b9\u2076.<\/p>\n Portals<\/strong>\u200a\u2014\u200aMoving liquidity across\u00a0chainsBetter capital efficiency<\/strong>\u200a\u2014\u200aHigher LTVs for proven\u00a0assetsRisk management<\/strong>\u200a\u2014\u200aMore granular\u00a0controls<\/p>\n GHO stablecoin<\/strong>\u200a\u2014\u200aAlready at $312 million in circulation\u00b9\u2074Aave V4<\/strong>\u200a\u2014\u200aCurrently in developmentInstitutional products<\/strong>\u200a\u2014\u200aAave Arc for KYC\u2019d\u00a0usersFurther chain expansions<\/strong><\/p>\n Aave isn\u2019t just another DeFi protocol\u200a\u2014\u200ait\u2019s financial infrastructure. Traditional finance is watching and learning. Several banks are exploring how to integrate with or replicate Aave\u2019s\u00a0model.<\/p>\n The protocol proves\u00a0that:<\/p>\n Lending doesn\u2019t require\u00a0banksGlobal liquidity pools beat fragmented marketsCode can replace entire departmentsFinancial services can be permissionless yet\u00a0secure<\/p>\n For the past two years, Aave has consistently captured between 60% and 80% of all revenue generated in the lending sector\u00b2\u2070, demonstrating its market dominance.<\/p>\n Ready to try it? Here\u2019s your checklist:<\/p>\n Start Small<\/strong>\u200a\u2014\u200aDon\u2019t deposit your life savings on day\u00a0oneUnderstand Liquidations<\/strong>\u200a\u2014\u200aKnow your liquidation thresholdWatch Gas Fees<\/strong>\u200a\u2014\u200aUse Layer 2s for smaller\u00a0amountsMonitor Positions<\/strong>\u200a\u2014\u200aMarkets move fast in\u00a0cryptoJoin the Community<\/strong>\u200a\u2014\u200aAave\u2019s Discord and governance forum are goldmines<\/p>\n Aave transformed from a failed peer-to-peer lending platform into DeFi\u2019s most trusted lending protocol. It\u2019s not perfect\u200a\u2014\u200ano protocol is\u200a\u2014\u200abut it\u2019s proven resilient through multiple market\u00a0cycles.<\/p>\n Whether you\u2019re looking to earn yield on stablecoins, leverage your ETH position, or build on top of DeFi infrastructure, Aave offers battle-tested solutions. As traditional finance slowly embraces blockchain, protocols like Aave are showing the way\u00a0forward.<\/p>\n The ghost of Finnish innovation continues to haunt traditional banking, and that\u2019s probably a good\u00a0thing.<\/p>\n Next week in DeFi Weekly: We\u2019ll dive into Compound, the protocol that pioneered algorithmic interest rates and sparked the DeFi summer of\u00a02020.<\/em><\/p>\n Have questions about Aave? Want to suggest the next protocol we cover? Drop a comment\u00a0below.<\/em><\/p>\n ETHLend ICO Details\u200a\u2014\u200aCoinDesk ICO Tracker\u00a0(2017)ETHLend Quarterly Report Q3\u00a02018Aave Protocol V1 Launch Announcement\u200a\u2014\u200aAave Blog (January\u00a02020)LEND to AAVE Migration Guide\u200a\u2014\u200aAave Documentation (October\u00a02020)DeFi Pulse Historical Data\u200a\u2014\u200aAugust\u00a02020Aave Flash Loans Introduction\u200a\u2014\u200aAave Developer DocsAave Protocol Analytics\u200a\u2014\u200aDune Dashboard (2024)Aave V1 Features DocumentationCredit Delegation Launch\u200a\u2014\u200aAave Blog (July\u00a02020)Aave V3 Technical Paper (March\u00a02022)Aave V3 Efficiency Mode DocumentationAave Polygon Deployment Announcement (May\u00a02021)Gauntlet Risk Assessment Reports\u200a\u2014\u200aAave Governance Forum\u201cThe DeFi Veteran\u2019s 2025 Summer Counterattack and Ecosystem Innovation\u201d\u200a\u2014\u200aOdaily (August\u00a02025)\u201cAltcoins to watch this week: AAVE, CRV, and ARB\u201d\u200a\u2014\u200aMitrade (August\u00a02025)DefiLlama\u200a\u2014\u200aAave Protocol Data (January\u00a02025)\u201cAave Surpasses US Banks as Short-Term Price Risks Emerge\u201d\u200a\u2014\u200aBeInCrypto (August\u00a02025)\u201cTVL (total value locked) of Decentralized Finance (DeFi) lending protocol Aave\u201d\u200a\u2014\u200aStatista (March\u00a02022)Aave Price Data\u200a\u2014\u200aCoinGecko (August\u00a02025)TokenLogic Twitter\u200a\u2014\u200a\u201cAave has now reached $170M in cumulative revenue\u201d\u00a0(2025)\u201cAave tops $20 billion in deposits amid record revenue and fee switch discussions\u201d\u200a\u2014\u200aCryptoSlate (June\u00a02024)Aave DAO Financial Reports\u200a\u2014\u200aAave Governance Forum (2023\u20132024)\u201cAave generates $2.1M daily revenue during market downturn\u201d\u200a\u2014\u200aBlockworks (August\u00a02024)Messari\u200a\u2014\u200aState of Aave Reports (2023\u20132025)<\/p>\n DeFi Aave Cryptocurrency Blockchain Ethereum<\/p>\n Understanding Aave: The DeFi Lending Giant That Changed Everything<\/a> was originally published in Coinmonks<\/a> on Medium, where people are continuing the conversation by highlighting and responding to this story.<\/p>","protected":false},"excerpt":{"rendered":" How a small team from Finland built one of DeFi\u2019s most important protocols If you\u2019ve spent any time in DeFi, you\u2019ve probably heard of Aave. With over $38 billion locked across multiple chains\u00b9\u2074, it\u2019s become the go-to lending protocol for both retail users and institutions. But how did a project that started as \u201cETHLend\u201d in […]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-89349","post","type-post","status-publish","format-standard","hentry","category-interesting"],"_links":{"self":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/89349"}],"collection":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89349"}],"version-history":[{"count":0,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/89349\/revisions"}],"wp:attachment":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}For Borrowers:<\/h3>\n
The Innovations That Set Aave\u00a0Apart<\/h3>\n
Flash Loans<\/h3>\n
Rate Switching<\/h3>\n
Credit Delegation<\/h3>\n
Isolation Mode<\/h3>\n
Efficiency Mode\u00a0(E-Mode)<\/h3>\n
The Multi-Chain Expansion<\/h3>\n
The Numbers Don\u2019t\u00a0Lie<\/h3>\n
As of August\u00a02025:<\/h3>\n
Understanding the\u00a0Risks<\/h3>\n
Smart Contract\u00a0Risk<\/h3>\n
Liquidation Risk<\/h3>\n
Oracle Risk<\/h3>\n
Governance Risk<\/h3>\n
Security Track\u00a0Record<\/h3>\n
The AAVE Token and Governance<\/h3>\n
What\u2019s Next for\u00a0Aave?<\/h3>\n
Aave V3 brought exciting features:<\/h3>\n
The roadmap includes:<\/h3>\n
Why Aave\u00a0Matters<\/h3>\n
Getting Started with\u00a0Aave<\/h3>\n
The Bottom\u00a0Line<\/h3>\n
References<\/h3>\n
Linkedin<\/a> &\u00a0Github<\/a><\/h3>\n
Tags<\/h3>\n