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Man who threw away $500M Bitcoin hard drive sues city for right to search landfill
(www.techspot.com)
This is a most excellent place for technology news and articles.
Bitcoin is saved with a password that's held in RAM, so typing a different password will open a different wallet. This is in addition to the secret key saved on the hard drive. There's no telling how much money a hard drive has, even to the person recovering it.