Bip39 compliant passphrase https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide It can be very important that the mnemonic sentences are produced from randomly selected quantities! These figures could be generated in a variety of other ways, that happen to be described in other articles in this article, like "What exactly is an RNG" and Seed Phrase https://hotbookmarkings.com/story20520360/bip39-vs-electrum-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw