Is Bip39 Secure. Theoretically, one can Assume out the mnemonic phrase by his own, but It is far from Risk-free, due to the fact a human can not do an excellent task with the random technology. The best way to secure 1’s wallet will be to have a mnemonic phrase https://socialwoot.com/story20168048/bip39-tangem-top-guidelines-of-12-word-seed-phrase-generator