Bip39 Coleman Default variety of iterations Employed in wallets is 2048. Escalating this amount ought to allow it to be more secure against brute power attacks, having said that you'll have to retail outlet this benefit. To access your wallet with tailor made PBKDF2 you should use this script (or https://worldlistpro.com/story20421289/bip39-electrum-the-fact-about-bip39-phrase-that-no-one-is-suggesting