Bip 39 Passphrase Default amount of iterations Utilized in wallets is 2048. Increasing this selection ought to make it more secure against brute power assaults, on the other hand you will need to store this price. To access your wallet with tailor made PBKDF2 you'll want to use this script https://exactlybookmarks.com/story18498227/what-is-bip39-passphrase-seed-phrase-generator-no-further-a-mystery