Network Information - Testnet - c8ntinuum Docs

Use this page as the canonical source for c8ntinuum testnet network values. Guides should link here instead of duplicating testnet configuration unless a wallet or tool requires a specific field shape.

Chain configuration

Property	Value
Network Name	`c8ntinuum testnet`
Coin Name	`test c8ntinuum`
EVM Chain ID	`8888` / `0x22b8`
Cosmos Chain ID	`c8ntinuum_8888-1`
Currency Symbol	`tCTM`
Base Denom	`ctm`
Decimals	`18`
Account Prefix	`c8`
Validator Prefix	`c8valoper`
Consensus Prefix	`c8valcons`
Expected Block Time	`4s`
Finality	1 block under standard CometBFT
EVM HTTP RPC URL	`https://public-testnet-evm.c8ntinuum.link`
EVM WebSocket RPC URL	`wss://public-testnet-evm.c8ntinuum.link/websocket`
CometBFT HTTP RPC URL	`https://public-testnet-comet.c8ntinuum.link`
CometBFT WebSocket RPC URL	`wss://public-testnet-comet.c8ntinuum.link/websocket`
Cosmos gRPC	`public-testnet-grpc.c8ntinuum.link:443`
REST/LCD	`https://public-testnet-grpc-web.c8ntinuum.link`
Block Explorer	testnet.ctmscan.io
Genesis URL	`https://resources.c8ntinuum.io/testnet/genesis.json`
Genesis SHA-256	`f8b98ca1e364026eae17ff15ac133ac8c15fa6864a7e675e77642e8172f7943b`

Availability status

Surface	Status	Notes
Public EVM HTTP and WebSocket RPC	Available now	Use for wallet setup, deployments, reads, and broadcasts on testnet.
Public CometBFT RPC	Available now	Use for node status, consensus block metadata, and CometBFT transaction queries.
Public gRPC and REST/LCD	Available now	Use for Cosmos SDK account and transaction queries.
CTMScan testnet explorer	Available now	Use for accounts, transactions, contracts, and logs.
Testnet faucet	Available now	Public faucet at testnet-faucet.c8ntinuum.io. Authentication, per-request amount, cooldown, and reset policy are governed by the faucet UI; check the page for current limits.
Testnet contract verification API	Available now	Etherscan-compatible verifier API at `https://testnet.ctmscan.io/api` (mirrors mainnet structure).

Wallet setup

Use the values above when adding a custom network in MetaMask, Rabby, Coinbase Wallet, or any other EVM-compatible wallet. For a step-by-step wallet walkthrough, see Add c8ntinuum Testnet to Wallet.

For mainnet values, see Network Information - Mainnet Beta.
For Cosmos gRPC, REST/LCD, alternate public endpoints, paid endpoints, and limits, see RPC Providers.
For contract verification, see Verify with Foundry or Verify with Hardhat.