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Smart Contract Development with Solidity
Verify Signature
Code from video: https://solidity-by-example.org/signature/
Cyrptographic signatures have many different use cases like ownership, payments, authorization, etc. The combination of signatures and smart contracts allows payments to be made off chain. Messages can be signed off chain and then verified on chain using a smart contract like writing checks to pay for a product or service.
Resources:
You can find detailed further information from Solidity Official documentation (in English): https://docs.soliditylang.org/en/v0.8.14/contracts.html#function-signatures-and-selectors-in-libraries
https://cryptomarketpool.com/how-to-sign-verify-an-ethereum-message-off-chain/
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