{"type":"rich","version":"1.0","title":"shortwavesurfer2009 wrote","author_name":"shortwavesurfer2009 (npub1ge…ejcs3)","author_url":"https://yabu.me/npub1ge0tzdqy6useekgu9d9g5l3s3t2wpx7p9xxuprz7ajzjaxl4mgyssejcs3","provider_name":"njump","provider_url":"https://yabu.me","html":"Right, proof of work obviously says that the chain with the most amount of computing power behind it is the valid chain. I understand that. But I don't see how you're going to overcome 3 million blocks worth of proofs and defeat the checkpoint system."}