If you want to keep data safe your better off to have passwords in your devices you wanna keep self such as computers and mobile phones if you have passwords on this would mean that if you lost your phone say if someone finds it they would have to put a password in and they wont know the password if you do not say anything to anyone about your password this will keep your data safe.
encryption is a code that people can put see what it is these people are called eavesdroppers and hackers that can view your work so you can keep it safe.
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