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 core = "2.3.1" in mops.toml
• For Rust: ic-cdk = "0.19", candid = "0.10", icrc-ledger-types = "0.1" in Cargo.toml

Canister IDs