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  1. Home
  2. /Glossary
  3. /Formal Verification
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blockchain

Formal Verification

A mathematical approach to proving that smart contract code behaves exactly as intended for all possible inputs.

Definition

A mathematical approach to proving that smart contract code behaves exactly as intended for all possible inputs. Unlike testing which checks specific cases, formal verification proves correctness exhaustively. It's the gold standard for security but expensive and time-consuming, so it's usually reserved for critical code.

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Related Terms

Smart Contract Audit

A professional security review of smart contract code to find vulnerabilities before deployment.

Smart Contract

Self-executing code stored on a blockchain that runs when conditions are met.

Solidity

The main programming language used to write smart contracts on Ethereum and EVM-compatible chains.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

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