Field	Value
Network	Onyx Mainnet
Chain ID	`327` (`0x147`)
Native currency	XCN
Wallet/RPC display decimals	`18`
HTTPS RPC	https://rpc.onyx.org
Explorer	https://onyxscan.org
Validator dashboard	https://validators.onyx.org
Network fees	Current gas price and fee calculation

Onyx Testnet

Field	Value
Network	Onyx Testnet
Chain ID	`8901` (`0x22c5`)
Native currency	Testnet XCN
HTTPS RPC	https://rpc.testnet.onyx.org
WebSocket	`wss://rpc.testnet.onyx.org/ws`
Mirror REST	https://api.testnet.onyx.org
App	https://app.testnet.onyx.org
Validator dashboard	https://validators.testnet.onyx.org

Testnet XCN and every test token have no Mainnet value. Use a separate test wallet. The DeFi walkthrough, faucet, and bridge lanes are in Testnet DeFi and Slingshot.