■スライド内のリンク
uPort - Sensui 2017.10〜
https://medium.com/@hamzamaslah/all-you-need-to-know-about-uport-identity-management-3fc49db25332
DAI の permit() 関数 2019.10〜
https://github.com/makerdao/dss/blob/b1fdcf/src/dai.sol#L114-L138
Bounties Network V2 2019.11〜
https://github.com/Bounties-Network/StandardBounties/blob/c087b4/contracts/BountiesMetaTxRelayer.sol
https://medium.com/bounties-network/going-live-with-meta-transactions-a425ab6b6994
Gas Station Network(GSN) 2019.01〜
https://gsn.openzeppelin.com
コントラクトウォレット
https://github.com/dapperlabs/dapper-contracts
ハッカソンで優勝した提案
https://github.com/wighawag/singleton-1776-meta-transaction
https://twitter.com/wighawag
実装 ― Receiver
https://github.com/wighawag/singleton-1776-meta-transaction/blob/dda23e/contracts/src/EIP1776MetaTxReceiverBase.sol
実装 ― Processor
https://github.com/wighawag/singleton-1776-meta-transaction/blob/dda23e/contracts/src/GenericMetaTxProcessor.sol#L81-L92
■参考
Our MetaTransaction Hackathon Winner! - MetaMask - Medium
https://medium.com/metamask/our-metatransaction-hackathon-winner-a620551ccb9b
Ethereum Meta Transactions : Our Take - Bloxis - Medium
https://medium.com/bloxis/generalised-ethereum-meta-transactions-our-take-cb9f027866e9
Generalized Meta Transaction Processor with EIP-1776 Support
https://github.com/wighawag/singleton-1776-meta-transaction
EIP-1776 Native Meta Transactions
https://github.com/ethereum/EIPs/issues/1776
EIP-2585 Minimal And Extensible Meta Transaction Forwarder
https://github.com/ethereum/EIPs/issues/2585
MetaMask MetaTransaction Panel - YouTube
https://www.youtube.com/watch?v=X5L4fQbUxsA