My Techno-OptimismVitalik Buterin offers a new political framework in response to artificial intelligence's rivaling arch pessimists and arch accelerationists: d acc. Buterin argues that the twenty first century is the pivotal century for humanity, and d acc offers us the tools to navigate it. At its core, d acc is at once an incomplete gesture and an actionable philosophy: "acc" stands for "accelerationism," and the "d" is multifaceted: defensive, democratic,