this post was submitted on 30 Oct 2026
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A blockchain doesn't actually provide control over a transaction, it just verifies that it happened. It's supposed to be a long, immutable record of every transaction that has ever ocurred, which is precisely why transactions can't be reversed. The work of verifying those transactions is performing by miners, or some other "proof of" design where you have an authority in the chain that confirms it.
Basically, it's nothing more than a fancy receipt.