# extensions

- [ERC20Burnable](/elin/contracts-4.5.0/token/erc20/extensions/erc20burnable.md)
- [ERC20Pausable](/elin/contracts-4.5.0/token/erc20/extensions/erc20pausable.md)
- [IERC20Metadata](/elin/contracts-4.5.0/token/erc20/extensions/ierc20metadata.md)