Bip39 mnemonic checksum https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure BIP85: A more recent proposal letting the deterministic derivation of various BIP39 mnemonic seeds from a master seed. This extra complexity improves the threat of misplacing the passphrase, and therefore getting rid of your copyright. Making safe procedures for se... https://bookmarkity.com/story20332190/bip39-ethereum-rumored-buzz-on-bip39-generator-https-dzen-ru-bip39-phrase-com