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I realize that it is said to be prohibitively expensive to store an image on-chain - but if an actual illegal image was stored on-chain would that be irreversib

I realize that it is said to be prohibitively expensive to store an image on-chain - but if an actual illegal image was stored on-chain would that be irreversible? Basically I’m wondering if making the entire ledger illegal to posses is as simple as ponying up the cost? Could that bring down an entire crypto currency? Sorry if this sounds naive, I am just not sure what is currently possible.

pclmulqdq 5y ago
It has already happened, and nobody cared. Very early on, the bitcoin blockchain ended up playing host to some illegal images, but nobody took down bitcoin or bitcoin nodes for storing them.
jeroenhd 5y ago
It would be practically impossible, the only way you can remove something from the blockchain is to ask all nodes to revert to an earlier version and purge the offending blocks and any blocks related to them. This is also why using public blockchains for storing personal information is such a stupid idea, illegal even if the GDPR is involved in any way. Blockchains are designed so no information can be altered or redacted, and that's often an overlooked problem.