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by TD-Linux
3183 days ago
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You could do this with Bitcoin too. You would just send Bitcoin to an address, with an OP_RETURN with the coordinates and a hash of the pixel values you put there. Only the first one would "win". The Ethereum contract does have the feature that you effectively get your money back if you're not first - a transaction that tries to take already-taken pixels is invalid. You could implement this today on Bitcoin with HTLCs and zk-SNARKs, but there might be a simpler solution that I'm not immediately thinking of. |
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