Bip39 Buffer Is Not Defined Wallet program that apply BIP39 only use 2048 iterations as a norm. Escalating this parameter will enhance security against brute power assault, but you will need to retailer this new parameter. BIP39 specifies a list of 2048 words from which the mnemonic phrase is selected. https://theidirectory.com/listings12991368/xrp-bip39-seed-phrase-generator-can-be-fun-for-anyone