We deployed RFID wristbands at ETHDenver 2026 and passively measured visitors across 6 days, capturing dwell time, return rates, and real-time occupancy that QR check-in platforms can't measure. Here's what the data showed and why it matters for event ROI.

sub0 hack 2025 demonstrated continued refinement of the milestone-based hackathon model pioneered at Blockspace Synergy, while introducing key innovations around submission categorization and judging processes.