# Constants

- [ChainId](/reference/stacks.js/stacks-network/constants/chainid.md)
- [PeerNetworkId](/reference/stacks.js/stacks-network/constants/peernetworkid.md)
- [TransactionVersion](/reference/stacks.js/stacks-network/constants/transactionversion.md)
- [AddressVersion](/reference/stacks.js/stacks-network/constants/addressversion.md)