2fa
access
account
authentication
authorization
code
data
digital
done
factor
icon
id
identification
identity
illustration
internet
isometric
isometry
login
message
mobile
multi
multifactor
number
one
online
otp
password
payment
phone
pin
privacy
profile
protection
realistic
registration
safe
screen
security
smartphone
step
sync
time
transaction
two
user
validation
verification
verify