man hand holding captcha smartphone. All screen graphics are made up.

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Size: 5184px × 3456px
Photo credit: © Jorge Pérez / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: captcha, cellphone, code, communication, device, display, electronic, generate, hand, holding, interface, login, mobile, mobility, password, phone, prevention, robot, safe, security, showing, smart, smartphone, technology, test, touching, touchscreen, turing, wireless