Cracking a code means to try and solve a code to be able to understand it while decryption<span> is the process of transforming data that has been rendered unreadable through encryption back to its unencrypted form. Hope this answers the question. Have a nice day.</span>
To find out how spyware is more dangerous, we must know what each term mean.
Adware is a <em>software that automatically displays advertising material usually on a site that a user goes to</em>.
Spyware is a <em>unwanted software that steals your internet usage data and personal information</em>.
So while Adware can be extremely annoying, it is not as potentially harmful as Spyware, which can steal your personal information and potentially ruin your life.
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That is physically impossible.