Etheno
Etheno was an Ethereum security analysis and testing tool, now archived in favor of Medusa.
What is Etheno?
Etheno is a JSON RPC Multiplexer, differential fuzzer, unit testing framework, and integration tool. Known for its setup simplicity, Etheno eliminates the complexity of setting up analysis tools like Echidna on large, multichain projects. Note: The Etheno repository was archived on February 14, 2025 and is now read-only. Users are directed to use Medusa for fuzzing. For more information, see https://secure-contracts.com/.
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Developer resources from Alchemy
What is a multi-party computation (MPC) wallet? The complete developer guide
Deep dive into MPC wallets and modern crypto security through distributed private key technology.
What is the Ethereum Fusaka upgrade? Dev guide to 12 EIPs
A practical breakdown of the Fusaka upgrade, explaining the 12 core EIPs and how they change data availability, cryptography, gas costs, and validator operations across the Ethereum stack.
Blockchain RPC infrastructure evaluation guide for enterprises
Choosing the wrong blockchain RPC provider can mean costly migrations and poor performance. Use this enterprise evaluation framework to ask the right questions before you commit.
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