PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 23258 participants
Gemini HackDays 2025 GCECT Kolkata, India Innovate, Compete, and Create — Right Here at GCECT! Non-monetary prizes Nov 3, 2025 48 participants
