Handwave’s cofounders, CEO Janis Stirna and Sandis Osmanis-Usmanis, previously worked for one of the world’s largest global ...

Kate Xue, a user of Tencent’s palm scanning service at a Supermonkey gym in Shenzhen, said she wasn’t too worried about the possibility that her data could fall into the wrong hands.

MJ Jervinsky, 47, paid with her hand at the same store on Friday and said she’s been using it since the fall. “I love it, I have no problem with collecting all my information,” she said.