zkSync has crossed a significant milestone in its evolution as a Layer 2 scaling solution. The protocol now supports direct execution of Ethereum Virtual Machine bytecode through its newly implemented EVM Interpreter, effectively eliminating a major friction point for developers migrating applications from Ethereum. This development represents a shift from zkSync's previous model, where developers needed to recompile smart contracts before deploying them to the network, toward genuine operational equivalence with the mainnet environment.
The practical implications are substantial. Developers can now deploy Solidity and Vyper contracts directly without any modifications or recompilation steps, using their existing tooling ecosystem immediately. Popular development frameworks like Foundry, Hardhat, and Remix function natively without requiring custom plugins or configuration workarounds. Address derivation follows Ethereum's standard mechanisms, meaning contract addresses derived through CREATE and CREATE2 opcodes match their mainnet counterparts. This deterministic behavior is critical for applications managing multiple deployments across chains, as it eliminates address mismatch complications that have historically plagued cross-chain development.
The network has also pre-deployed a suite of essential contracts that streamline integration for new projects. This includes the Create2 Proxy pattern, Safe Factory for multisig wallet deployment, and Multicall3 for bundled RPC calls—infrastructure that developers expect to find ready-made on any EVM-compatible chain. By provisioning these utilities out of the box, zkSync reduces the bootstrap friction that typically slows ecosystem development on newer platforms.
This bytecode compatibility milestone matters because it represents zkSync's migration toward becoming a true EVM-equivalent rollup rather than merely EVM-compatible. While the distinction might seem semantic, the difference is operationally significant: compatibility means bytecode runs correctly, while equivalence means the execution environment behaves identically to Ethereum in nearly all respects. As zkSync continues optimizing proof generation and transaction throughput, this native bytecode support positions the network to absorb developer activity that previously required forking projects or learning network-specific abstraction layers.