BIP39 means Bitcoin Enhancement Proposal 39. The words are chosen from a selected list of 2048 widespread English words which can be accustomed to the generate a binary seed (your personal key). This additional complexity enhances the threat of misplacing the passphrase, and so dropping your copyright. A seed phrase https://bookmarkspedia.com/story4367828/invalid-bip39-phrase-things-to-know-before-you-buy