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backup phrases

  1. Spinat

    Have all bitcoin & crypto wallets a backup phrase?

    I was wondering if all Crypto Wallets have a backup phrase typically 12 to 24 randum words the system generate and which you use to restore your wallet. For instant NanonLedger S has 24 words while Exodus has 12 words / Backup Phrases. Is this a crypto standard for wallets?