As Mastercard, Discover and American Express all plan to drop signature authentication at the point of sale, Visa is largely mum on the topic. But does it really need to weigh in? Visa has been a ...

The autograph authentication company that has certified more than 1,000 jerseys, photos, mini helmets and other items as bearing the valid signature of Florida State quarterback Jameis Winston ...

I had this idea. Might be a good idea, might be a terrible idea. I'm no expert on security, but I wonder if any systems have ever done this? Typically, historically, authentication databases have ...

If you watch a handwriting expert authenticate a signature, they will talk about echoes of the process of signing one's name – darker or lighter lines reveal pressure variations, the shape of the ...