If there's one thing a security company should avoid, it's tempting the hackers to unravel their promises. As we've seen time and time again, there are few (if any) completely uncrackable technologies, but Verayo sure seems confident about its next-generation RFID chips. Dubbed "unclonable," this new product family -- which is led by the Vera M4H -- promises to make mass transit tickets, secure IDs and access cards more secure, and