Overview of Anvil-ZKsync
Anvil-ZKsync is a local testnet node shipped with Foundry-ZKsync. You can use it for testing your contracts from frontends or for interacting over RPC.
Anvil-ZKsync is part of the Foundry-ZKsync suite and is installed alongside forge, and cast. If you haven’t installed Foundry-ZKsync yet, see Foundry-ZKsync installation. 
Note: If you have an older version of Foundry-ZKsync installed, you’ll need to re-install
foundryup-zksyncin order for Anvil-ZKsync to be downloaded.
How to use Anvil-ZKsync
To use Anvil-ZKsync, simply type anvil-zksync. You should see a list of accounts and private keys available for use, as well as the address and port that the node is listening on.
Anvil-ZKsync is highly configurable. You can run anvil-zksync -h to see all the configuration options.
Some basic options are:
#  Number of dev accounts to generate and configure. [default: 10]
anvil-zksync -a, --accounts <ACCOUNTS>
# Port number to listen on. [default: 8545]
anvil-zksync  -p, --port <PORT>
📚 Reference
See the
anvil-zksyncReference for in depth information on Anvil-ZKsync and its capabilities.