Testnet Tools
Testnet environments for every major chain — explorers, RPC endpoints, faucets and docs in one place.
Signet / Testnet
Bitcoin testnets for protocol development, wallet testing, and Layer 2 experimentation. Signet is the recommended testnet for most use cases.
Sepolia
Sepolia is the primary Ethereum testnet for smart contract development and dApp testing. Goerli was deprecated in 2023.
Base Sepolia
Base is a secure, low-cost Ethereum L2 built on the OP Stack by Coinbase. Base Sepolia is the recommended testnet for Base development.
Devnet
Solana Devnet is the standard environment for Solana program development. Devnet SOL is freely available via airdrop CLI or web faucets.
BSC Testnet
BNB Smart Chain testnet for EVM-compatible dApp development. The official faucet provides tBNB with a rate limit per address.
Amoy
Polygon Amoy is the current Ethereum-compatible testnet for Polygon PoS, replacing Mumbai in 2024. Ideal for DeFi, NFT and gaming dApp testing.