See Masayume work.
The consumer front door to on-chain prediction markets — one tap, non-custodial, on the web and as an installable app. Full feature breakdown and verifiable on-chain proofs below.
One tap. That's the whole thing.
Pick a side, see exactly what you'd win for your size, tap. The price is the order book's, the settlement is the oracle's, and the receipt is a transaction you can open. Non-custodial: only you can cash out.
try a live market
A feed of live Windows, like short-form video.
Swipe through live Windows across every cadence the venue lists, with community takes woven between them. Any call is one tap from a position.
open the reel
The Room, and a second opinion.
Every Window has a Room — bettors only, and the gate is a chain read, not a setting. Sensei reads the same market stream the page holds and says what it sees, or says plainly when it has no key.
A real venue under the simple front door.
Real actions. Open receipts.
Follow Masayume's strategy publication, bounded permission, copy subscription, and Moonshot purchase on the Shannon explorer.
Masayume testnet wallet 0xd357…9358 · successful receipts verified on 2026-09-06. These record completed actions, not current permission or settled winnings.
Shannon Momentum #1 registered with its public strategy and trading limits.
2 tUSDC budget · 1 tUSDC per trade · 1 open position allowed.
Strategy #1 subscription · 0 tUSDC fee. Future copies were later paused.
Moonshot round #3 · BTC 1h · long 2×. Actual stake: 1.000354 tUSDC.
Moonshot round #3 settled as a win, with a closing print of $79,922.31.
Moonshot round #3 paid 2.000132 tUSDC to the demo wallet.
X command · BTC 4h UP. Grant #4 spent 0.90852 tUSDC for 1.34 contracts in one confirmed execution.
The contracts every Window runs on