app
authentication
authorization
biometric
business
code
computer
concept
crime
data
digital
display
finger
fingerprint
fingertip
gradient
hand
human
id
identification
identity
imprint
individual
information
key
line
loop
password
personal
phone
print
privacy
protection
recognition
safety
scan
scanner
screen
sensor
signature
simple
smartphone
symbol
technology
thumbprint
touch
unique
verification