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According to Lemmy Users: Blockchain was a grift, AI is a grift, Quantum computing will be a future grift. So according to you what new and emergent technologies are not / will not be a grift? (lemmy.ml)

submitted 1 day ago by Artemis_Mystique@lemmy.ml to c/asklemmy@lemmy.ml

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[–] ferric_carcinization@lemmy.ml 5 points 1 day ago (1 children)

As I understand, it's normally append-only. But, with some implementations, if a malicious entity controls most of the block production, they can undo recent transactions at will.

[–] cynar@lemmy.world 3 points 1 day ago

Some resort to majority vote, in the case of disagreements. Theoretically, if someone owned/controlled over 50% of the database, they could rewrite it, and have their version seen as true.

For the few valid uses of it, that shouldn't be a problem. It will also be reasonably detectable beforehand.