uMine: a Blockchain based on Human Miners⋆

It’s all in the captcha


“ Our contributions can be summarized as follows:
– We provide a novel instantiation of a proof of human-work which does not rely on indistinguishability obfuscation but instead uses multiparty compu- tation as a black box.
– We prove the security of our proof of human-work given a secure captcha.
– We use our proof of human-work to construct uMine, a novel energy efficient mining algorithm where the mining is performed by human miners creating proofs of human-work.”


~ [link to eprint.iacr.org (secure)]



Man from MARS wants your data and Microsoft is helping to process that.