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zkSync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum without compromising on security ordecentralization. Since it's EVM compatible (Solidity/Vyper), 99% of Ethereum projects can redeploy without refactoringor re-auditing a single line of code. zkSync Era also uses an LLVM-based compiler that will eventually let developerswrite smart contracts in C++, Rust and other popular languages.

The zkSync Era prover is distributed under the terms of either

• Apache License, Version 2.0, (LICENSE-APACHE orhttp://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT orhttp://opensource.org/licenses/MIT)

at your option.

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zkSync Era has been through lots of testing and audits. Although it is live, it is still in alpha state and will gothrough more audits and bug bounties programs. We would love to hear our community's thoughts and suggestions about it!It is important to state that forking it now can potentially lead to missing important security updates, criticalfeatures, and performance improvements.