Bip39 validate mnemonic https://andersonsaeu988.iamarrows.com/bip39-generator-online-the-best-devices-for-secure-wallet-creation It truly is very important which the mnemonic sentences are generated from randomly picked figures! These numbers is usually produced in many different different ways, that are described in other articles below, like "Exactly what is an RNG" and Seed Phrase ... https://bookmarknap.com/story11149881/bip39-wallet-a-secret-weapon-for-bip39-mnemonic-code-converter-tool-https-x-com-tundra838554