Testnets

Testnet or Test-chains

Ethereum 2.0

• Goerli testnet (PoS)
• Prater testnet (PoS), merged with Goerli on August 2022.
• Ropsten testnet (merged)
• Sepolia testnet (PoW) (merged)
• Kintsugi testnet Dec 2021
• Kiln testnet, will be shut down after The Merge
• Rinkeby testnet, deprecation notice will be shut down in Q2/Q3 2023

Misc

• MAX_EFFECTIVE_BALANCE: 32 ETH on mainnet, usually 3.2 ETH on testnets

--network prater

Never use real ETH to join a testnet! All of the testnets listed here use Goerli ETH which is basically worthless.

Related

• Devnet
• Ethereum faucet
• Gray Glacier Upgrade Announcement
• Tim Beiko

See also

• Testnets: Ropsten, Prater, Goerli, Sepolia, Kiln, Kintsugi, Rinkeby, Kovan, Bitcoin testnet, --network, Holesky (2023)
• Ethereum 2.0, Beacon Chain, Ethereum Staking, validator, Consensus clients, Execution clients, Validation clients, Mainnet, testnets: Prater, Goerli ETH, Inclusion distance, Ethereum attestation, Attestation effectiveness, Attestation Reward Scale, slot, The Merge, Epoch, Slots, rETH, sETH, stETH, Lido Staked ETH, faucet, Ethereum ports, Subjectivity, Lido Staked ETH, ENR, Sharding, Ethers.js, Yellow paper, synchronization