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 beyond e-commerce by launching Trustev for Publishers with a goal near and dear to any reporter’s heart: Helping publishers ban toxic Internet commenters completely from their websites, providing no leeway for even setting up a second account. Trustev thinks this can raise the level of online discourse and help stop harassment campaigns the likes of #GamerGate before they even begin.  

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