When was bip39 introduced https://www.anime-planet.com/users/zoriuswxxq This is why it is best to come up with a backup of the seed phrase employing steel copyright wallet like Coinplate, that are 100% chrome steel and BIP39 compatible. As opposed to standard wallets derived only from a seed phrase, passphrase-safeguarded wallets are hidden https://bookmarkstown.com/story20907571/bip39-generator-github-bip39-compatible-wallet-can-be-fun-for-anyone-https-t-me-bip39-chat