Definition

DeFi (Decentralized Finance) is an ecosystem of financial applications running on blockchain without traditional intermediaries. Instead of banks, smart contracts are used.

Traditional Finance vs DeFi

Traditional DeFi
Banks, brokers Smart contracts
KYC required Anonymity possible
Business hours 24/7
Geographic restrictions Global access
Slow transfers Fast transactions

Main DeFi Services

DEX (Decentralized Exchanges)

  • Uniswap, SushiSwap, Curve
  • Trading without intermediaries
  • Liquidity pools

Lending

  • Aave, Compound
  • Crypto-backed loans
  • Interest on deposits

Staking and Yield Farming

  • Lido, Rocket Pool
  • Staking yields
  • Reward farming

Stablecoins

  • DAI, USDC in DeFi
  • Stable value
  • Foundation for other services

DeFi Advantages

  1. Accessibility — only need internet and wallet
  2. Transparency — open code, public transactions
  3. Control — you own your assets
  4. Innovation — new financial instruments

DeFi Risks

  • Smart contracts — bugs can lead to losses
  • Volatility — cryptocurrencies are unstable
  • Impermanent Loss — liquidity provider losses
  • Regulatory risks — legal uncertainty

TVL (Total Value Locked)

TVL is the total value of assets in DeFi protocols. At its 2021 peak, it exceeded $180 billion.

Tip

Start by learning about staking — it's the simplest way to get into DeFi, combining with DCA strategy.