ICRC Ledger Standards What This Is ICRC-1 is the fungible token standard on Internet Computer, defining transfer, balance, and metadata interfaces. ICRC-2 extends it with approve/transferFrom (allowance) mechanics, enabling third-party spending like ERC-20 on Ethereum. Prerequisites - For Motoko: mops with in mops.toml - For Rust: , , in Cargo.toml Canister IDs | Token | Ledger Canister ID | Decimals | |-------|-------------------|----------| | ICP | | 8 | | ckBTC | | 8 | | ckETH | | 18 | Index canisters (for transaction history): - ICP Index: - ckBTC Index: - ckETH Index: All ICRC-1 ledgers…