# Ressources

* Moonbeam Docs
  * [CallPermit Precompile](https://docs.moonbeam.network/builders/pallets-precompiles/precompiles/call-permit/)
  * [Precompiles Overview](https://docs.moonbeam.network/builders/pallets-precompiles/precompiles/overview/)
* Ethereum EIP
  * [EIP-712: Typed structured data hashing and signing](https://eips.ethereum.org/EIPS/eip-712)
* HackerNoon
  * [A closer look at Ethereum signatures](https://hackernoon.com/a-closer-look-at-ethereum-signatures-5784c14abecc)
* Squid Docs
  * [Use the full balance or the ERC balance](https://docs.squidrouter.com/hooks/using-the-full-erc20-or-native-balance-in-a-call)