Bip39 Date Default quantity of iterations Employed in wallets is 2048. Rising this number must allow it to be safer from brute force attacks, having said that you will need to retail store this value. To access your wallet with custom made PBKDF2 you'll want to use this script (or https://bookmarkinglive.com/story19521665/bip39-passphrase-list-the-definitive-guide-to-bip39-phrase