To authenticate means to verify or confirm the truth, accuracy, or legitimacy of something or someone. It involves validating or proving that something or someone is genuine, reliable, or authorized. Full definition
Users then authenticate by using the Face ID before placing the iPhone X near a contactless payment reader. (ibtimes.com)
Long has the idea of authenticating with our eyes been an idea mostly relegated to science fiction, and while Samsung wasn't the one who invented iris scanning on a smartphone, they seem to be the ones to perfect it. (androidheadlines.com)
Wearables will also be capable of authenticating payments in the Windows Store as well as websites via Microsoft Edge. (mobilesyrup.com)