Bip39gen https://jsbin.com/titaniseko On the flip side on typical it'll choose 50 % time offered from the tables beneath for an attacker to acquire the correct passphrase Push X to abort passphrase software and continue to keep editing the passphrase. Picking out CANCEL right after an abort will cease the method. https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts