Startup Trustev Wants to Fix Internet Comments with Digital Fingerprinting

Trustev's main business is in what it calls "digital fingerprinting" -- an anti-fraud technology for e-commerce that can identify known credit card scammers and block them so thoroughly and completely that they would need an entirely new computer to mess with the business. Would-be fraudsters get turned away, and real customers don't even know they're being screened. (Radio Shack already uses it to protect online transactions.)
Today, Trustev is expanding its digital fingerprinting business