this post was submitted on 23 Feb 2025
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[–] owl@infosec.pub 8 points 3 weeks ago* (last edited 3 weeks ago) (8 children)

Here is my idea: Everyone makes a private key. When they buy a song they receive the file and a digital signature by the label saying they sold it to your ~~private~~public key. When you are caught with a bunch of songs, you have to prove ownership using your key. Tadaa provable ownership, no blockchain, You loose the file, but still have the signature? You can download it again and all is good.

EDIT: Of course, they would sign the public key, sorry.

[–] Allero@lemmy.today 3 points 3 weeks ago (3 children)

But what if you still have file, but lose the signature?

[–] owl@infosec.pub 2 points 3 weeks ago

In this construct the key is the thing, that signifies the owner. If it's lost, there is no help. Unless the key is tied to you and an authority can vouch for you.

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