it's very often when interacting with some dapp yo... @QuipTalk

When interacting with a dapp, it is common to be asked to sign something with MetaMask, even though you may not know exactly what it is. This is because MetaMask is a blockchain-based platform that allows users to securely sign messages and transactions. By signing a message, you are verifying that you are the owner of the account and that the transaction is legitimate. This is a way of ensuring that all transactions on the blockchain are secure and that no one is able to make fraudulent transactions. By signing a message, you are also providing an additional layer of security to protect your funds and data.

same to temple, it's blockchain common when it require you to sign a message