Seed Quotes And Sayings Default number of iterations used in wallets is 2048. Growing this quantity should enable it to be more secure versus brute force attacks, even so you'll have to keep this benefit. To obtain your wallet with custom PBKDF2 you'll want to use this script (or similar) https://ariabookmarks.com/story4295233/bip39-seed-words-bip39-an-overview