Bip39 Release Date Default range of iterations used in wallets is 2048. Escalating this amount should allow it to be more secure in opposition to brute force attacks, nonetheless you'll have to retail store this price. To obtain your wallet with customized PBKDF2 you must use this script (or related) https://socialupme.com/story4248100/copyright-seed-phrase-generator-the-definitive-guide-to-bip39-phrase