Bip39 Hash Default variety of iterations Employed in wallets is 2048. Raising this selection should help it become more secure in opposition to brute power assaults, on the other hand you will have to keep this price. To obtain your wallet with custom made PBKDF2 you should use this script https://optimusbookmarks.com/story18562104/bip39-js-the-fact-about-bip39-that-no-one-is-suggesting