Here are the steps to reissue it.
 

<How to reissue>

  1. Tap or Click [Forgot your password?] on the login page.
  2. Enter the email address you used to sign up to HiNative and tap or click [Reset my password].
  3. Open the email from HiNative with the subject line "Reset password instructions".
  4. Tap or Click the [Change my password] link.
  5. Enter a new password and tap or click [Save changes].
 
If you signed up via Google, Facebook, or Twitter, you do not have a password linked to your account.  Please try those sign-in methods if you have trouble changing your passwords.
※ Passwords must be 8 or more characters. Any combination of letters, numbers, and symbols is accepted.