Extended
Extended 是一个混合式永续合约交易所：订单在链下撮合，交易在 Starknet 上结算，自 2026-10-22 起结算迁移到 Circle 的 Arc。USDC 是抵押品，应用支持在多个 EVM 网络和 Starknet 上存取款。
评级 C：11 项限制：10 个国家或地区 + VPN / Tor 检测。 永续合约 · Ethereum, Arbitrum, Base, Arc, Polygon, Avalanche, BNB Chain。
官方应用：app.extended.exchange。前端代码：闭源。
限制
机制描述、备注和证据等技术细节保留数据源的英文原文。
- 地区封锁： 是。GET /geo answers 451 for a restricted region and the app replaces itself with "Extended is not available in your region" (API error GLOBAL.NOT_AVAILABLE_IN_YOUR_REGION). The blocked countries are those where /geo answered 451 to the live probe (see the observations); the Restricted Countries page names 16 jurisdictions. 封锁国家：美国、加拿大、英国、中国香港特别行政区、俄罗斯、叙利亚、伊朗、古巴、阿富汗、也门。
- 功能限制： 暂无。
- 钱包筛查： 仅条款。
- VPN / Tor 检测： 检测。GET /geo answers 451 with the load balancer's error code VPN.
- 服务条款： docs.extended.exchange/extended-resources/legal/terms-of-use，最近更新 2026-10-08。Restricted Countries page: Afghanistan, Canada, Hong Kong, Cuba, Iran, North Korea, Russia, Syria, Seychelles, Crimea, Donetsk, Kherson, Luhansk and Zaporizhzhia, the UK, the US.
说明
Closed frontend. The app asks api.starknet.extended.exchange/geo on load; a 451 answer blocks the app, and the load balancer's error code tells a VPN from a restricted region. GET api.starknet.extended.exchange/geo answered {"status": "OK"} from Singapore, Brazil and France on 2026-10-12.
证据
- app.extended.exchange bundle: GET /geo, UnavailableForLegalReasons, LbErrorCode VPN, 'Extended is not available in your region'
- docs.extended.exchange/extended-resources/legal/restricted-countries
- docs.extended.exchange/extended-resources/legal/terms-of-use
- docs.extended.exchange/extended-resources/account-operations/deposits-and-withdrawals
- docs.extended.exchange/about-extended/migration-from-starknet-to-arc