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What is a seed phrase

A seed phrase is a sequence of words used to recover a crypto wallet. Through the restored wallet, it re-establishes access to the associated private keys.

Seed phrases consist of English words chosen from a predefined cryptographic dictionary.

Seed phrases are a critical security element in cryptocurrency systems.

Seed phrase explained simply​

In simple terms, a seed phrase is a backup of your crypto wallet.

If a user loses access to their wallet, the seed phrase can be used to restore it and regain access to the funds.

How a seed phrase works​

When a new wallet is created, a seed phrase is generated.

All private keys for that wallet are mathematically derived from the seed phrase.

This design is typical of non-custodial storage, where responsibility for the backup remains with the owner. The seed phrase’s place in the wider architecture is explained in the overview of digital asset storage models.

Structure of a seed phrase​

Most seed phrases contain:

  • 12 words
  • 18 words
  • 24 words

Example of using a seed phrase​

If a user installs a wallet on a new device, they can restore the wallet by entering the seed phrase.

Where seed phrases are used​

Seed phrases are used by most cryptocurrency wallets, including:

FAQ​

What is a seed phrase?​

A seed phrase is a set of words used to restore access to a cryptocurrency wallet.

Can you share a seed phrase?​

No. Anyone who has access to your seed phrase can access your funds.

What happens if a seed phrase is lost?​

If the seed phrase is lost and access to the wallet is lost, the funds cannot be recovered.