"During the sign-up process, new members complete a "liveness check" by taking a short video selfie within the app. The procedure collects and stores an encrypted map of information about the shape of the user's face. "We don't store a picture of your face, it's not photo recognition, it's data points about the shape of your face that are turned into a mathematical hash," says Yoel Roth, head of Trust and Safety for Match Group, which owns Tinder. Tinder then uses that "hash" to check whether a new sign-up matches an account that already exists on Tinder."
"The company defines "bad actors" as accounts that engage in deceptive behavior, including spamming, scamming, and bots. Currently 98 percent of the content moderation actions on Tinder address fake accounts, scamming, and spam. "There is a significant volume of the overall trust and safety work we do on Tinder that is focused on this challenge." Roth says it is a "meaningful improvement in our ability to address scaled abuse. You can get new phone numbers, new email addresses, new devices, you can't really get a new face.""
Tinder is rolling out a mandatory facial verification feature called Face Check for new users in the U.S. to reduce fake profiles and bad actors. New members perform a liveness check by recording a short video selfie that generates an encrypted mathematical hash representing facial shape instead of storing a photo. Tinder compares hashes to detect duplicate or existing accounts and limit repeat abuse. Face Check begins in California, then expands to Texas and other states. The company says most moderation actions target fake accounts, scams, and spam and views the measure as strengthening scaled abuse prevention while noting privacy concerns.
Read at WIRED
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