Consequently, BIP39 proposes to use an algorithm to convert a seed into a mnemonic phrase string. It extends the algorithm for building wallet seeds. This extra complexity increases the possibility of misplacing the passphrase, and thus shedding your copyright. Software wallets are vulnerable to hacks and so are less safe https://bookmarkcolumn.com/story18719161/the-greatest-guide-to-seed-phrase-bip39