How do I view or revoke ERC-20 spending approvals? May 14, 2022 18:27 Updated You can use revoke.cash. Related articles Withdrawals from Optimism Does Optimism verify the security of applications? Is Optimism supported by fiat onramps or do I need to buy assets and then bridge them? Deposits into Optimism Will you be able to reduce transaction costs in the future? To what?