#EIP3074
Imagine your Ethereum account is like a bank account. Normally, to spend money, you need to have enough funds and use your debit card (private key) to authorize the transaction. cont..

This is beneficial because:

You don't need to hold Ethereum (ETH) for gas fees, other tokens can be used.
It adds flexibility to your account without needing a whole new wallet system.

1. You sign a message saying what you want to do (transaction).
2. That signed message gets sent to a trusted service (smart contract).
3. The service uses your message and a special code (opcode) to act on your behalf, like paying with your account even if it has no funds for gas fees.

EIP-3074 is like giving someone (a smart contract) temporary permission to use your debit card. Here's how it works: