Web3 Learning Notes
  • Web3 Learning Notes
  • 📖Crypto Basis 101
    • Blockchain & Cryptocurrency
    • Start dealing with Crypto
    • To invest safe
    • Risk Management
    • Web 3.0: User Ownership
    • Rethinking 'Why Crypto?'
  • 💰DeFi
    • What is DeFi
    • Stablecoin 101
    • Journey of a transaction
    • MEV (Miner Extractable Value)
    • Crypto Derivatives
    • To play safe in DeFi
    • DeFi Tools
  • 🧠DEFI Innovations
    • Lending & Borrowing
      • AAVE V3
      • Morpho - APY Optimiser
      • SILO - Risk Isolator
    • Automated Market Maker
      • Uniswap V3 - Concentrated Liquidity
      • Trader Joe V2 - Liquidity Book
      • 1Inch V2 - AMM Aggregator
    • Low Slippage Swapping
      • Curve V2
      • Bebop
      • Platypus Finance
    • Yield Aggregator
      • Yearn V2
      • Instaapp
      • Alpaca Finance
    • Perpetual Exchange
      • GMX
  • 🎇Techs of Chains
    • ETH - Ethereum
    • BNB - Binance Coin
    • AVAX - Avalanche
    • DOT - Polkadot
    • SOL - Solana
    • NEAR - Near Protocol
    • XTZ - Tezos
    • MINA - Mina Protocol
  • 🖼️NFT
    • What is NFT
    • Token standard 721 & 1155
    • How to get your first NFT
    • How to mint like a pro
    • To play safe in NFT
    • NFT tools
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On this page
  • How liquidation works
  • Advantage vs. traditional financial process
  1. DEFI Innovations

Lending & Borrowing

  • Lender lends out idle crypto assets to earn interest payment from lending fee

  • Borrower deposits crypto assets as collaterals & pays borrowing fee to borrow assets

  • interest changes from time to time based on liquidity utilisation rate

  • most platforms require over-collateralisation, borrowers can only borrow up to a percentage (mostly 75-90%) of the loan-to-value (i.e. deposited collaterals)

  • force liquidation happens when the value of deposit assets are not enough to cover the assets borrowed

How liquidation works

  • borrower deposits 10 ETH to borrow 7.5 ETH worth BTC (max LTV = 75%)

  • if the liquidation threshold is 80%, either the price of BTC raises or ETH drops, the value of borrowed asset worth more than 80% of the collateral will trigger liquidation

  • liquidator can liquidate an unsafe position

    • liquidator sells borrowers's ETH collateral for BTC

    • liquidator replays outstanding BTC debt & keep remaining collateral

    • borrower keeps the borrowed asset & lost collateral in a loss

    • this incentivises liquidator to maintain health of the protocol

Advantage vs. traditional financial process

  • Decentralised - no centralised entity, no approval required from 3rd party

  • Instant - instant loan with no delay & loan review

  • Transparent - can clearly trace how deposited assets are secured & used by the protocol

  • Trustless lending - borrowers' capital are protected by incentivised liquidation mechanism

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Last updated 2 years ago

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