{"snapshotDate":"2026-10-30","researchUpdatedAt":"2026-10-31T13:20:40.215093+00:00","qualification":"Dated source claims and observations; no independent assessment, legal-entity verification or current availability guarantee","record":{"id":"VK-cd33d6f86bdc4d7a","name":"MetaMask Prediction Markets","website":"https://metamask.io/prediction-markets","sourceUrl":"https://github.com/kairoslive/prediction-market-trading-tools-and-terminals/blob/df929171a1bc501ec4b79447d7c8fff4d9a47c5e/tools.json","observedAt":"2026-10-30T18:07:17.270016+00:00","sourceHash":"81e91f65ba7ff67a205fa6ff367bce66cd74934c25d200996572a34b02054506","reviewStatus":"not_assessed","firstPartyObserved":false,"metadata":[],"observations":[],"catalogueHistory":[{"commit":"f3800f7c4fa573354c380f5154c57da0e9631e5d","sourceAt":"2026-08-27T16:46:01-07:00","observedAt":"2026-10-30T18:07:17.270016+00:00","reportedVerifiedAt":"2026-08-27","sourceUrl":"https://github.com/kairoslive/prediction-market-trading-tools-and-terminals/blob/f3800f7c4fa573354c380f5154c57da0e9631e5d/tools.json","licence":"CC-BY-4.0","attribution":"Kairos contributors","claim":{"name":"MetaMask Prediction Markets","url":"https://metamask.io/prediction-markets","category":"Infrastructure & DeFi","description":"Polymarket trading built into MetaMask Mobile with one-tap funding from any EVM token, MetaMask Rewards points per trade and a 4% fee split with Polymarket. Not offered in the US.","venues":["Polymarket"],"executes_trades":true,"pricing":"4% per trade; no deposit or withdrawal fees","open_source":false,"github":null,"backers":null,"status":"live","status_note":"metamask.io/prediction-markets loaded 2026-08-27 describing the feature as live on mobile; launched December 2025.","last_verified":"2026-08-27","sources":["https://metamask.io/prediction-markets","https://finance.yahoo.com/news/metamask-enters-prediction-markets-polymarket-101200633.html"]}},{"commit":"df929171a1bc501ec4b79447d7c8fff4d9a47c5e","sourceAt":"2026-09-07T21:27:04-07:00","observedAt":"2026-10-30T18:07:17.270016+00:00","reportedVerifiedAt":"2026-08-27","sourceUrl":"https://github.com/kairoslive/prediction-market-trading-tools-and-terminals/blob/df929171a1bc501ec4b79447d7c8fff4d9a47c5e/tools.json","licence":"CC-BY-4.0","attribution":"Kairos contributors","claim":{"name":"MetaMask Prediction Markets","url":"https://metamask.io/prediction-markets","category":"Infrastructure & DeFi","description":"Polymarket trading built into MetaMask Mobile with one-tap funding from any EVM token, MetaMask Rewards points per trade and a 4% fee split with Polymarket. Not offered in the US.","venues":["Polymarket"],"executes_trades":true,"pricing":"4% per trade; no deposit or withdrawal fees","open_source":false,"github":null,"backers":null,"status":"live","status_note":"metamask.io/prediction-markets loaded 2026-08-27 describing the feature as live on mobile; launched December 2025.","last_verified":"2026-08-27","sources":["https://metamask.io/prediction-markets","https://finance.yahoo.com/news/metamask-enters-prediction-markets-polymarket-101200633.html"]}}],"repositoryLinks":[],"category":"Infrastructure & DeFi","venues":["Polymarket"],"pricingGroup":"paid-or-fee-reported","reportedOpenSource":false,"reportedExecution":true,"research":{"id":"VK-cd33d6f86bdc4d7a","checkedAt":"2026-10-31T02:08:31.684134+00:00","resourceType":"Product or service","availability":{"state":"identity_changed","detail":"The recorded URL redirected to a different host. No automatic product or company identity merge was made."},"sources":[],"platforms":[],"features":[],"plans":[],"facts":[],"links":[]}},"catalogueChanges":[],"attribution":{"coveredMaterial":"Historical Kairos descriptions and catalogue claims","author":"Kairos contributors","licence":"CC BY 4.0","licenceUrl":"https://creativecommons.org/licenses/by/4.0/","notice":"https://vultax.com/datasets/prediction-market-directory/KAIROS-ATTRIBUTION.txt","modifications":"Source association, presentation and original factual comparisons by Vultax"}}