Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| April 30 | 0% YES | 100% NO |
| June 30 | 2% YES | 98% NO |
| December 31 | 7% YES | 94% NO |
Market context
Polymarket currently prices the revelation of Satoshi Nakamoto's identity by end-2026 at effectively zero, with conditional tokens trading near worthless on the YES side. This reflects the market's assessment that a definitive proof—whether through cryptographic signature from an original wallet, court-ordered disclosure, or overwhelming journalistic consensus—remains extraordinarily unlikely within a two-year window. The USDC liquidity pools on Polygon show minimal depth on the affirmative side, suggesting traders view this as a tail-risk event rather than a genuine contender.
The historical record offers limited precedent for how such a revelation might occur. Craig Wright's repeated claims to be Satoshi have failed to convince the broader cryptocurrency community or courts, despite his 2016 announcement and subsequent legal proceedings. The 2014 Newsweek article identifying Dorian Nakamoto as the creator was widely disputed and never substantiated. These cases establish that mere assertion or circumstantial evidence falls short of the "definitive proof" the market requires—a standard that appears deliberately high to prevent premature settlement on weak claims.
Traders monitoring this contract should watch for developments in blockchain forensics, regulatory investigations into Bitcoin's origins, or unexpected statements from figures with documented early involvement in the project. The Satoshi wallets themselves—holding approximately 1.1 million Bitcoin—remain the most credible settlement trigger; any movement or signed message from those addresses would constitute near-irrefutable proof. Until such a catalyst materialises, the market's pricing reflects rational scepticism about a secret held for sixteen years surviving exposure within thirty months.
Methodology
We track Satoshi's identity be proven by 2026? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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