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PromptOff! Vibe Coding Contest
Registration
Past Event
About Event
Welcome to PromptOff! during ETHDenver at The Blockspace Church
2 hours. One prompt. Prove you can vibe code something that works.
PromptOff! is a fast, fun vibe coding showdown. You get a surprise prompt, 2 hours on the clock, and one goal: ship a working prototype with at least one successful user journey.
How it works:
Show up solo or with a partner (teams of 2 max)
Prompt revealed at the start
Submit your project via GitHub when time's up
Demo and vote for winners
No coding experience required. Just bring a laptop, your AI tool of choice, and the confidence to ship a working demo.
Schedule
12:00pm — Doors open, settle in
12:15pm — Prompt reveal, coding starts
2:15pm — Time's up, submit via GitHub
2:20pm — Demos begin (2 min each)
2:50pm — Voting + winner announced
Prizes to be won.