From Bitcoin to Brains: Coinbase Co-Founder Fred Ehrsam Unveils Non-Invasive Brain Interface Device Nudge Zero

Fred Ehrsam, co-founder of Coinbase, launched Nudge in 2024 and unveiled the Nudge Zero, a non-invasive ultrasound neuromodulation device, in April 2025. The device aims to treat acute neurological conditions like epilepsy, with future plans to miniaturize it for enhancing mood and cognition in healthy individuals.