# erc20

> `const` **erc20**: readonly \[\{ `inputs`: readonly \[\{ `indexed`: `true`; `name`: `"owner"`; `type`: `"address"`; \}, \{ `indexed`: `true`; `name`: `"spender"`; `type`: `"address"`; \}, \{ `indexed`: `false`; `name`: `"value"`; `type`: `"uint256"`; \}\]; `name`: `"Approval"`; `type`: `"event"`; \}, \{ `inputs`: readonly \[\{ `indexed`: `true`; `name`: `"from"`; `type`: `"address"`; \}, \{ `indexed`: `true`; `name`: `"to"`; `type`: `"address"`; \}, \{ `indexed`: `false`; `name`: `"value"`; `type`: `"uint256"`; \}\]; `name`: `"Transfer"`; `type`: `"event"`; \}, \{ `inputs`: readonly \[\{ `name`: `"owner"`; `type`: `"address"`; \}, \{ `name`: `"spender"`; `type`: `"address"`; \}\]; `name`: `"allowance"`; `outputs`: readonly \[\{ `type`: `"uint256"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\{ `name`: `"spender"`; `type`: `"address"`; \}, \{ `name`: `"amount"`; `type`: `"uint256"`; \}\]; `name`: `"approve"`; `outputs`: readonly \[\{ `type`: `"bool"`; \}\]; `stateMutability`: `"nonpayable"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\{ `name`: `"account"`; `type`: `"address"`; \}\]; `name`: `"balanceOf"`; `outputs`: readonly \[\{ `type`: `"uint256"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\]; `name`: `"decimals"`; `outputs`: readonly \[\{ `type`: `"uint8"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\]; `name`: `"name"`; `outputs`: readonly \[\{ `type`: `"string"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\]; `name`: `"symbol"`; `outputs`: readonly \[\{ `type`: `"string"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\]; `name`: `"totalSupply"`; `outputs`: readonly \[\{ `type`: `"uint256"`; \}\]; `stateMutability`: `"view"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\{ `name`: `"recipient"`; `type`: `"address"`; \}, \{ `name`: `"amount"`; `type`: `"uint256"`; \}\]; `name`: `"transfer"`; `outputs`: readonly \[\{ `type`: `"bool"`; \}\]; `stateMutability`: `"nonpayable"`; `type`: `"function"`; \}, \{ `inputs`: readonly \[\{ `name`: `"sender"`; `type`: `"address"`; \}, \{ `name`: `"recipient"`; `type`: `"address"`; \}, \{ `name`: `"amount"`; `type`: `"uint256"`; \}\]; `name`: `"transferFrom"`; `outputs`: readonly \[\{ `type`: `"bool"`; \}\]; `stateMutability`: `"nonpayable"`; `type`: `"function"`; \}\]

Defined in: node\_modules/.pnpm/viem@2.46.2\_typescript@5.9.3\_zod@4.3.6/node\_modules/viem/\_types/constants/abis.d.ts:377

[ERC-20 Token Standard](https://ethereum.org/en/developers/docs/standards/tokens/erc-20)