Bip39 docs https://www.bitsdujour.com/profiles/wWbptt The purchase with the mnemonic phrase issues. In case you mess up the purchase then you cannot recover your wallet. All your resources are going to be shed endlessly. Make sure you have a suitable backup. Subscribe to our weekly mailing list and acquire newest copyright information, https://royalbookmarking.com/story20120611/bip39-validate-mnemonic-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com