Resources for Developers
Last updated
Last updated
ZKsync documentation:
Relevant Github repositories:
(Ethers library for Javascript)
Chain ID: 388
Token: zkCRO ("Cronos zkEVM CRO")
JSON RPC API (rate limited):
WebSocket (rate limited): wss://ws.zkevm.cronos.org
Blockchain explorer:
Gas price: The gas price of is currently fixed at 2500gwei
This is subject to change and is expected to be dynamic in the next major release to be announced.
Developer portal:
Contract verification interface:
Bridge for ERC-20 tokens (Ethereum <=> Cronos zkEVM):
Chain ID: 240
Token: zkTCRO
WebSocket (rate limited): wss://ws.testnet.zkevm.cronos.org
This is subject to change and is expected to be dynamic in the next major release to be announced.
Remix users can leverage the zksync Remix plugin for their development. The plugin simplifies writing and deploying zkEVM smart contracts, making it accessible to both newcomers and experienced users. The plugin can be activated by searching with the keywords zksync
JSON RPC API (rate limited):
Blockchain explorer:
Gas price: The gas price of is currently fixed at 1250gwei
Developer portal:
Contract verification interface:
zkTCRO faucet:
for smart contract developers
Testnet bridge for ERC-20 tokens (zkEVM testnet <=> Ethereum Sepolia):
Read more:
