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What are decentralized applications (DApps)?
What's the definition of decentralized applications (DApps)? DApps stand for decentralized applications. Blockchain-based DApps generally run a decentralized ledger, such as Ethereum. Most DApps share some features with traditional applications that commonly run on central cloud servers.Published on Nov 3, 2022Updated on Mar 6, 2026FAQ30Withdrawal of OKX HK's VASP license application
Dear Hong Kong customers, After careful consideration of our business strategy, OKX HK has decided to withdraw its VASP license application at this time. Accordingly, OKX must cease to provide centralized virtual asset trading services to Hong Kong residents by 31 May 2024 (Friday). Customer funds remain safe and withdrawal services will not be affected. After 31 May 2024, Hong Kong customers will only be able to withdraw.Published on May 24, 2024Updated on Nov 17, 2025AnnouncementsOKX introduces 30-day verification for withdrawal address book
When you choose to verify an address in the withdrawal address book, it will be verified for 30 days by default. Select "Change verification period" to verify the address permanently. This feature will be available in both web and app (version 6.75 and newer). OKX team July 4, 2024Published on Jul 4, 2024Updated on Nov 17, 2025AnnouncementsData Migration of Futures Trading Bills
Dear valued customers, Due to the huge amount of futures trading bills stored in our database, it is essential for us do perform a data migration from 09pm-10pm on Jul 27, 2018 (Hong Kong time). During the migration, you will only be able to check the futures trading bills of the last 15 days. We expect that the data migration will take approximately one week. After the migration is completed, the futures trading bills of the last 3 months will be able to be retrieved.Published on Jul 27, 2018Updated on Nov 17, 2025AnnouncementsRollback of All Futures Contracts Data
Regards, OKX 23:30 Mar 30, 2018 -------------------------------------------------------------------------------------------------------- UPDATED on 21:10 Currently the futures contracts data rollback has been completed. We will commence the rollback of user intra-account transfers between "Spot Account" and "Futures Account" at 21:30 Mar 30, 2018 (Hong Kong Time). The details are as follows: 1.Published on Mar 30, 2018Updated on Nov 17, 2025AnnouncementsAnnouncement of historical data services scheduled maintenance
Once this maintenance is completed, we'll restore historical data services as soon as possible. Thank you for your support! OKX Team March 15, 2024Published on Mar 15, 2024Updated on Nov 17, 2025AnnouncementsUpdate on Rollback of All Futures Contracts Data
OKX will rollback all the data of weekly, bi-weekly and quarterly futures contracts of all tokens to 4:47 Mar 30, 2018 (Hong Kong time). 2. All weekly, bi-weekly and quarterly futures contracts will be delivered. After delivery, all open orders will be cancelled, and all holding positions will be closed at the delivery price. Weekly futures contract delivery price: The last traded price of the weekly futures contract after the rollback.Published on Mar 30, 2018Updated on Nov 17, 2025AnnouncementsWhat is Proof of Reserves (PoR) user snapshot data?
Initial: Funding account 5,000 USDT Flexible/Fix Loan: user stakes 5,000 USDT to borrow 0.1 BTC Comparison between user assets after the loan and snapshot data: Account equity Snapshot Initial assets 5,000 USDT Loan User puts down 5,000 USDT as collateral to borrow 0.1 BTC Borrowed loan? Funding account: 0.1 BTC Grow account: 3,422.46 USDT Note: This is a user's collateral equity.Published on Jan 20, 2023Updated on Apr 3, 2026FAQ495Position data differences on manual trading and copy trading pages
The data on each page will appear as follows.Published on Mar 22, 2023Updated on Apr 1, 2025Product documentationOKX Introduces Enhanced Liquidity Program
Post-only mechanism: Always act as maker orders, which adds liquidity to the order book. Exclusive matching: Match exclusively with taker orders that aren’t directly placed through OpenAPI. Lower priority execution: Execute only after all non-ELP orders at the same price level are completed. Order visibility: ELP orders will be displayed in the user interface without specific indications. There is a new data feed `books-elp` in OpenAPI to return ELP orders.Published on Nov 26, 2025Updated on Nov 26, 2025AnnouncementsHow do I make full use of OKX's time-saving NFT trading tools?
To empower you with greater control over their trades, we offer a suite of advanced features designed to streamline the trading experience. Let's delve into the time-saving tools that set OKX apart in crypto space. Order book mode: enhancing precision OKX introduces an Order Book Mode allows you to dive deep into market dynamics. This feature provides a comprehensive view of buy and sell orders, enabling traders to make informed decisions based on real-time market data.Published on Jan 5, 2024Updated on Sep 12, 2025FAQ10What Are Event Contracts
During the contract's life, users can sell their shares on the order book at any time to lock in gains or cut losses — no need to hold until expiry. Peer-to-peer trading of opinions; price equals probability. Buyers and sellers are matched through a unified order book. Prices are determined by market supply and demand with no platform price intervention, ensuring fair pricing. An Up quote of 0.5 USDT indicates the market assigns approximately 50% probability to the event occurring.Published on Apr 8, 2026Updated on Apr 9, 2026Product documentationOKX lists Chia's native asset, XCH, for spot trading
Proofs of Space and Time replace energy intensive “proofs of work”. Asset name: Chia Ticker: XCH To celebrate the listing of XCH on OKX this week, we’re giving away a total of $100,000 and 5000 TiB to participants who deposit or trade XCH on OKX.Published on May 3, 2021Updated on Nov 17, 2025AnnouncementsWhat does OKX NFT Marketplace offer but other platforms don't?
From BTC ordinals to BRC20 transactions, inscriptions, batch listings, and multi-platform transaction history aggregation, OKX ensures that users have access to cutting-edge tools and functionalities for a comprehensive and enriched trading journey.Robust data analysis OKX's dedication to providing users with comprehensive data analysis is evident through its support for multi-chain data and real-time data.Published on Dec 27, 2023Updated on Sep 12, 2025FAQ24How to Trade Event Contracts and Settlement Logic
The outcome is determined based on the designated result source. A review is assessed to determine if a dispute is needed; if so, the dispute process is followed, which may delay settlement. Settlement processing is completed. After an event contract expires, the platform automatically completes settlement — no manual action is required from users.Settlement flow overview: Contract expires; the system automatically collects OKX index price data within a specified time window.Published on Apr 8, 2026Updated on Apr 10, 2026Product documentation