This site is experimental, and should NOT be used for generating high-value keys.
Mainnet keys should always be generated offline, using well-vetted software.
Enter the mnemonic
Generate validator keys (Specs EIP-2333, EIP-2334, and EIP-2335)
Eth2 web utility for deriving children BLS keys from a master BLS key, which are then encrypted and bundled together in a downloadable format for use in Eth2 testnets.
This site is experimental, and should NOT be used for generating high-value keys.
Mainnet keys should always be generated offline, using well-vetted software.