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BlockchainSecurity/weeks/week020-21.md
| 1 | + | # ERC Standars |
| 2 | + | |
| 3 | + | [ERC](https://eips.ethereum.org/erc ) |
| 4 | + | [ERC621](https://github.com/ethereum/EIPs/pull/621 ) |
| 5 | + | [ERC721](https://docs.openzeppelin.com/contracts/2.x/api/token/erc721) |
| 6 | + | [ERC721.sol](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721.sol) |
| 7 | + | [How ERC Standards Work - part 1](https://medium.com/immunefi/how-erc-standards-work-part-1-c9795803f459 ) |
| 8 | + | [Token ERC Comparison for Fungible Tokens](http://blockchainers.org/index.php/2018/02/08/token-erc-comparison-for-fungible-tokens/ ) |
| 9 | + | [ERC-Tokens](https://boxmining.com/erc-tokens/) |
| 10 | + | </br> |
| 11 | + | |
| 12 | + | ## Support |
| 13 | + | You can Follow [me](https://twitter.com/MeAsHacker_HNA) on twitter or |
| 14 | + | <br><br><a href="https://www.buymeacoffee.com/NafisiAslH" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a> |
| 15 | + | |