Presented by
WebZero
The Blockspace Church is a multi-day residency at a renovated Church during ETHDenver.
Hosted By
Featured in
ETHDenver 2026 Official Side Event Calendar
PromptOff! Vibe Coding Contest
Registration
Approval Required
Your registration is subject to host approval.
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.
Presented by
WebZero
The Blockspace Church is a multi-day residency at a renovated Church during ETHDenver.
Hosted By