Ethereum Upgrades Pose Testing Challenges, Says Sprinter Co-Founder
Key Highlights Chris Markou’s experience maintaining web3.js during Ethereum’s 2021 London hard fork shaped his concerns about protocol upgrades. A previously undetected MetaMask invariant affected nearly every application relying on web3.js after the EIP-1559 upgrade. Markou argues that testnets cannot reproduce every real-world interaction between applications, wallets, libraries, and smart contracts. Ethereum’s London Hard Fork ...