A Vyper bug that caused some versions of its compiler to malfunction has put Curve Finance at risk of liquidation.The decentralized finance vertical of the crypto ecosystem suffered yet another setback during the intraday trading session on 30 July due to a bug that impacted the performance of an Ethereum virtual machine compiler Vyper.
The Vyper compiler, a commonly used compiler by many projects within the ecosystem, is a Python-based compiler for the Vyper programming language. It takes Vyper code as input and converts it into bytecode that can be executed by the Ethereum Virtual Machine . In the context of smart contracts and decentralized applications , a reentrancy lock is a security mechanism that prevents the calling of a function in a smart contract multiple times before the previous call has been completed. This security measure is put in place to prevent malicious actors from repeatedly calling smart contract functions that withdraw funds.