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Indeed very half-baked.

This must be quite an insult to the inventor of fully decentralised AI. In 2012 Prof. Jelasity invented gradient mining with SGD, https://arxiv.org/pdf/1109.1396 Works reasonably well, you probably also need a ledger like Trustchain for accountability and Sybil protection. Consensus is too costly. This problem is unsolved and actively worked on academia for decades.