Seed phrase
A set of 12–24 words that restores a wallet and all keys. Keep it offline; leaking the seed phrase means losing all funds.
In more detail
A seed phrase of 12–24 words restores a wallet and all its keys on any device. That is why it is kept offline (on paper/metal), not in notes, messengers or the cloud. Leaking the seed phrase means losing all funds; a real service never asks for it.
