DeFi Guide

DeFi Guide

Complete guide from DeFi basics to protocols and risks

11. What is DeFi?

DeFi (Decentralized Finance) is finance without central intermediaries like banks.

Participants connect P2P via blockchain. Deposits and loans are possible without banks.

Meaning of Decentralization

No central authority controlling funds. Available 24/7 to everyone.

22. How DeFi Works

Blockchain & Smart Contracts

DeFi relies on blockchain and smart contracts. Blockchain provides security.

Smart contracts execute code automatically when conditions are met.

Major Blockchains
  • Ethereum - Most popular
  • Solana - Fast speed
  • BSC - Low fees
  • Cardano - Sustainability

33. DeFi vs Traditional Banks

CategoryTraditional FinanceDeFi
OperatorBank (Centralized)Smart Contract (Decentralized)
GuaranteeDeposit ProtectionNone (Market Risk)
Interest RateRelatively LowHigh (Variable)
AccessibilityLimitedOpen 24/7

44. Major Use Cases

DEX (Decentralized Exchange)

Swap crypto without intermediaries. e.g. Uniswap

Liquidity pools, no sign-up
Lending & Borrowing

Replaces bank services. e.g. Aave

Interest earnings, collateral loans
Stablecoins

Stable value assets. e.g. DAI, USDC

Pegged to $1, used for payments
Derivatives & Insurance

Futures, options. e.g. Synthetix

Synthetic assets, smart contract insurance

55. Global & Korea Status

Global Status

  • $80B TVL in late 2024
  • Peak of $174B in 2021
  • Supports Ethereum, Solana, etc.

Korea Status

  • Platforms: KLAYswap, Neopin
  • Young investors, lack of KRW link
  • Cautious after Terra collapse

66. Major Protocols

Aave

Lending platform. Flash loans.

Uniswap

DEX. AMM Model.

MakerDAO

Issuer of DAI. Collateralized debt.

Compound

Algorithmic interest rate protocol.

77. Regulation Issues

Global Trends

USA: SEC strict enforcement

EU: MiCA regulation

Korea: User protection laws

Domestic Situation

Lack of specific DeFi regulations. Effectively unregulated.

88. Risks & Cautions

Major Risks

Bugs & Hacks

Code errors and exploits

Volatility & Liquidation

Automatic liquidation on price drops

Scams

Rug pulls and fraud

User Responsibility

Lost keys, wrong transfers are irreversible

Safety Tips

  • 1Check audits
  • 2Test with small amounts
  • 3Monitor security news

References

Disclaimer

This guide is for educational purposes only. Not investment advice.

DeFi Guide