🔗Resources for Developers

Reference documentation

ZKsync documentation: https://docs.zksync.io/build

Relevant Github repositories:

• https://github.com/cronos-labs/cronos-zkevm

• https://github.com/cronos-labs/era-contracts

• https://github.com/zksync-sdk/zksync-ethers (Ethers library for Javascript)

Cronos zkEVM Testnet URLs

• JSON RPC API (rate limited): https://testnet.zkevm.cronos.org

• Blockchain explorer: https://explorer.zkevm.cronos.org/testnet

• Contract verification interface: https://explorer.zkevm.cronos.org/testnet/verifyContra

• zkTCRO faucet: https://zkevm.cronos.org/faucet

• Demo project repository for smart contract developers

• Testnet bridge for ERC-20 tokens (zkEVM testnet <=> Ethereum Sepolia): https://zkevm.cronos.org/bridge/testnet