An upgradeable, meta-transaction-enabled smart wallet for earning interest on stablecoins while retaining custody of funds, with an added security backstop provided by Dharma Labs.

A smart contract to enable ERC-20 token meta-transactions on Ethereum.

Implementation and testing for core Dharma Token (dToken) contracts, including Dharma Dai and Dharma USD Coin.

A proof-of-concept for batching meta transactions.

Gasless Meta Transactions with OpenZeppelin Defender Example

BEP20 utility token for OMNI App for creating content, doing challenges, sharing content with friends and much more. Use Omni Coin to tip your favorite creators, and buy products from in-app stores.

A simple example to illustrate how meta-transactions work.

Signing messages off-chain and having a contract that requires that signature before executing a function is a useful technique.

Gas Fee Pool Hat is that gas fee is paid by relayer instead of users by utilizing rDAI and Biconomy. (=Amount that relayer pay for gas fee is provided from interest income via rDAI)

meta transaction on ethereum

Website

Multi Meta Transaction on Ethereum with EIP-712 and ERC-2612 Standards

learning resources - solidity concepts and exploitations

A POC to demonstrate meta transactions in an ERC721 contract

Upgradable Counter with Proxy and Meta Transaction