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What Is ‘Formal Verification’ in Smart Contracts?

Formal verification is a rigorous process that uses mathematical proofs to confirm that the smart contract code behaves exactly as intended under all possible conditions. It is a highly advanced method of testing that aims to prove the absence of bugs, offering a much higher degree of security assurance than traditional testing.

How Is a Specification Written in a Formal Verification Language?
How Can a Formal Verification Process Enhance the Trustlessness of a Smart Contract?
What Are the Trade-Offs between Formal Verification and Bug Bounties?
How Does the Verification Process Confirm the Sender’s Intent?