Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Review UK Pick polygram.ink |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Review UK → |
Polymarket polymarket.com |
7% | 93% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Review UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Review UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Review UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Review 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 Polymarket Review UK.
Market context
Satoshi Nakamoto's Bitcoin holdings—estimated at roughly 1.1 million coins accumulated during Bitcoin's earliest mining phase—remain unmoved since 2009. The market tests whether any wallet attributed to Satoshi on Arkham's Intel Explorer will register an outflow or swap transaction during 2026. This hinges entirely on Arkham's classification methodology and transaction detection, making the resolution source itself a material variable. A programmatic approach would require continuous monitoring of Arkham's entity page via API or webhook, since manual daily checks risk missing time-sensitive events.
Historical precedent suggests extreme immobility. Satoshi's coins have survived every bull cycle, regulatory crackdown, and exchange collapse without movement—including the 2017 surge to $20,000 and the 2021 peak above $60,000. The 7% implied probability reflects this track record: markets have consistently priced Satoshi movement as a tail event, with previous year-on-year markets settling "No" repeatedly. The only comparable scenario involved Mt. Gox's dormant wallet, which remained static for years before finally moving in 2024, reinforcing the expectation that truly abandoned or inaccessible holdings stay locked.
Traders should monitor two dependencies: any public claims of Satoshi identity with credible technical proof (which could motivate movement), and Arkham's own updates to its entity classification or wallet attribution methodology. Recent blockchain forensics improvements have occasionally reclassified historical wallets, so changes to Arkham's labelling criteria could alter what counts as "Satoshi's" holdings mid-year. The settlement window's dependency on a single source introduces execution risk—Arkham's availability and data integrity through December 2026 are prerequisites for clean resolution.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on Polymarket Review UK?
- Zero. Polymarket Review UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Review UK triggers a quick verification flow that finishes in minutes.
- 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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