No, all that really matters is the 256-bit private key. There could be other data saved, depending on the crypto wallet application used, but the private key would be all that is needed to recover the bitcoin in question. Although the key on the hard drive is likely encrypted with a user password, so if he did recover the HDD he'd also have to remember that password in order to retrieve the key.Just so I think I understand.
The actual things on his hard drive were the 256 bit keys that prove that he is the owner of however many transactions it took to get that much bitcoin?
And so if he acquired all that bitcoin in lets say 1000 transactions that would take 256000 bits / 32000 bytes / 32 kilobytes ?
Was all this over potentially 32 kilobytes of data?
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