Think fingerprints, iris scans and facial recognition is the future of passwords and security? Think again. Although much harder to crack than the usual four-numbered pin, these methods pale in comparison to the use of something much more difficult to replicate – your heart. Nymi is the world’s first wearable authentication device that uses your heartbeat as your password. This biometric wristband launches today and is set to completely disrupt how identity is handled in the digital space.