ERC-20 vs. ERC-721

ERC-20 and ERC-721 are both Ethereum token standards, but they serve different purposes.

ERC-20 and ERC-721 are both Ethereum token standards, but they serve different purposes. Let's compare them:

✅ Definition:

🎯 ERC-20: Fungible tokens standard.
🎯 ERC-721: Non-fungible tokens (NFTs) standard.

✅ Use Cases:

🎯 ERC-20: Cryptocurrencies, loyalty points.
🎯 ERC-721: Collectibles, digital art, game items.

✅ Uniqueness:

🎯 ERC-20: All tokens are identical.
🎯 ERC-721: Each token is unique.

✅ Transferability:

🎯 ERC-20: Usually divisible for partial transfers.
🎯 ERC-721: Indivisible; whole token transfers only.

✅ Supply Model:

🎯 ERC-20: Fixed, capped, or inflationary supply.
🎯 ERC-721: Individual token creation & ownership.

✅ Tracking:

🎯 ERC-20: Quantity tracked per address.
🎯 ERC-721: List of owned tokens & attributes.

✅ Interchangeability:

🎯 ERC-20: Tokens of same type - interchangeable.
🎯 ERC-721: Tokens unique, not interchangeable.

✅ Examples:

🎯 ERC-20: USD Coin (USDC), Chainlink (LINK).
🎯 ERC-721: CryptoKitties, Decentraland's LAND.