BIP39 stands for Bitcoin Advancement Proposal 39. The words are chosen from a particular list of 2048 frequent English words which can be utilized to the make a binary seed (your non-public critical). This extra complexity enhances the risk of misplacing the passphrase, and therefore getting rid of your copyright. https://yourbookmarklist.com/story18982107/new-step-by-step-map-for-ledger-seed-phrase-bip39