Bip39 Seed Phrase List Default variety of iterations Employed in wallets is 2048. Growing this selection should make it more secure versus brute pressure attacks, having said that you will have to retailer this value. To obtain your wallet with custom made PBKDF2 you should use this script (or equivalent) https://bookmarksparkle.com/story18658040/bip39-seed-words-5-easy-facts-about-seed-phrase-generator-described