issue 01 · spring 2026 · predictions for hackathons

Call the winners before the judges do.

a ballot for every hackathon. star projects, call winners, leave receipts. predict the field before the judges do.

locks Mon, 01 Jun 2026 21:30:00 GMT·resolves on event announcement·sign in with X

house keeping:callsheet is a prediction game, not a financial product. it does not custody predictor funds. project owners who pledge USDC or USDT send it directly to a self-custodied operator wallet on solana mainnet, verified automatically on-chain via helius. payouts are sent manually after winners request. not affiliated with the listed events. by playing you accept the terms.

option a · most people

Predict the field.

Scan campaigns active this round. owner-written questions about their projects, plus platform-written questions from callsheet. some come with USDC prizes. free to play. X required, one ballot per account.

→ connect X as predictor

option b · founders only

I built one of those.

Claim your hackathon project, write a question for predictors, and (optionally) pledge USDC as a prize. 70% goes to perfect-score predictors, 30% raffles to anyone close. owners can't answer their own question.

→ connect X as project owner

how it works · in five lines

Sign in with X. one account, one ballot.
Browse active campaigns. each is a question about a project (or a platform-written question from us).
Answer what you want, seal each one. once sealed, no edits.
When a campaign resolves, scoring runs and winners are picked.
For paid campaigns: 70% splits among perfects, 30% raffles to anyone who got close. payouts are manual, 7-day SLA.