Echidna
Echidna is a fuzzing / property-based testing tool for Ethereum Smart Contracts.
What is Echidna?
Echidna is a next-generation Ethereum smart contract fuzzer built by the security solutions company Trail of Bits. Note: this project is no longer actively maintained; the maintainers recommend solabi-rs and alloy-rs/core as alternatives. As an evaluation tool, Echidna is known for its unique 'property-based fuzzing' which tries to falsify user-defined invariants (properties) instead of looking for crashes like a traditional fuzzer. Echidna comes with a multitude of tools to write custom analyses for complex contracts. Targeted toward EVM bytecode, Echidna uses cryptic compile to test contracts.
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