Testnets

Testnet or Test-chains

Ethereum 2.0

• Holesky Ethereum Testnet (2023)
• Goerli testnet (PoS)
• Sepolia testnet (PoW) (merged)
• Prater testnet (PoS), merged with Goerli on August 2022.
• Kintsugi testnet Dec 2021

Deprecated

• Ropsten testnet (merged, deprecated, shutdown scheduled for Q4 2022)
• Kiln testnet, will be shut down after The Merge
• Rinkeby testnet, deprecation notice will be shut down in Q3 2023

Polygon

• Polygon Mumbai testnet

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
• Bitcoin testnet: https://en.bitcoin.it/wiki/Testnet
• --network

See also

• Testnets: Ropsten, Prater, Goerli, Sepolia, Kiln, Kintsugi, Rinkeby, Kovan, Bitcoin testnet, --network
• 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

https://blog.ethereum.org/en/2022/09/09/kiln-shutdown

https://blog.ethereum.org/en/2022/09/09/kiln-shutdown

https://blog.ethereum.org/en/2022/09/09/kiln-shutdown