Bip39 Js Default amount of iterations Employed in wallets is 2048. Expanding this number should ensure it is safer from brute power attacks, nevertheless you'll need to retail store this benefit. To obtain your wallet with personalized PBKDF2 you'll want to use this script (or related) to estimate your BIP39 https://travialist.com/story8920463/bip39-online-5-easy-facts-about-seed-phrase-generator-described