Onchain Island 4-day hacker house Onchain Island is an unparalleled . experience from set Aug 28 - 31, Andaman & Nicobar Islands. against the breathtaking backdrop of the Andaman & Nicobar Islands. Bringing together 300 passionate Web 3 Buidlers over 300 passionate Web 3 Buidlers, this event is a hub for innovation and collaboration in the Web3 space.