{"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":"Proof? Each Monero release comes with a blockchain checkpoint that if I understand correctly locks the chain in that state forever and the only damage that can be done only extends back to that most recent checkpoint. If i understand correctly all blocks before 3 million are set in stone."}