BIP39 means Bitcoin Improvement Proposal 39. The words are chosen from a particular list of 2048 common English words which may be used to the deliver a binary seed (your non-public important). This additional complexity increases the hazard of misplacing the passphrase, and therefore losing your copyright. By growing to https://trackbookmark.com/story20262699/invalid-bip39-phrase-things-to-know-before-you-buy