Deniable encryption. Three lines of code.

// npm install deny-sh
import { encrypt, decrypt } from 'deny-sh';
import { generateDeniableControl } from 'deny-sh';

// Encrypt with deniable decoy
const result = encrypt(seedPhrase, {
  password1, password2
});

// Real key
decrypt(result.ciphertext, {
  password1, password2,
  controlData: result.controlData
});
// -> real seed phrase

// Decoy key (same ciphertext, different result)
const decoy = generateDeniableControl(
  result.ciphertext,
  password1, password2, decoySeed
);
decrypt(result.ciphertext, {
  password1, password2,
  controlData: decoy
});
// -> decoy seed phrase