Ethereum’s “merge” to full Proof of Stake has put the consensus mechanism top of mind for many, and I thought it would be a good opportunity explore what—to me—was one of the most mind-blowing implications of Dhruv Bansal’s prior Bitcoin Astronomy III piece: PoS’s subjectivity means it can never scale to an intergalactic, interspecies society. … Continue reading Why Proof of Stake won’t be used for intergalactic first contact: A Bitcoin Astronomy essay