How It Works
Every shared password has a Lookup ID and a single-use PIN. These must be communicated to the recipient by email or IM.
![Crosspass share](https://d1j1zdiwm8zdh9.cloudfront.net/assets/img/phone_left.png)
![Crosspass receive](https://d1j1zdiwm8zdh9.cloudfront.net/assets/img/phone_right.png)
Think of the PIN as a debit card ATM PIN.
A thief would have only three attempts to guess it until he is locked out.