Published first online in 2023, Etherum founder Vitalik Buterin's essay My Techno-Optimism instantly became a canonical text of twenty-first century humanism. In it, Buterin replies to modernity's most rancorous cynics and cautions its most reckless techno-fetishists. To navigate humanity's pivotal century, Buterin proposes 'd/acc,' a nuanced approach to technological acceleration that prioritizes human agency, democratic innovations, and decentralization.