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Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-Stark V2)
What is Proof-of-Reserve and Zero Knowledge Proof?Proof-of-Reserve (PoR) This is a process for cryptocurrency exchanges to show they have enough assets to cover all customer balances. This builds trust by proving the exchange is not hiding any liabilities.Published on Oct 21, 2024Updated on Feb 11, 202692Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
*Execution trace table and Merkle tree constructed for zk-STARK PoR* 1.Published on May 10, 2023Updated on Sep 8, 2025179What's Snap mode - powered by UniswapX, and how do I use it?
Snap is a new feature leveraging UniswapX for optimal pricing, zero gas fees, and fail-safe transactions. Our DEX's Snap trading mode feature allows you to swap tokens on Ethereum quickly and intuitively without incurring any gas fees. The feature operates directly on our DEX interface via Uniswap's UniswapX protocol.Published on Mar 1, 2024Updated on Oct 15, 202537How do I make a crypto withdrawal? (app)
Internal transfer: Transfer crypto instantly with zero fees to OKX users.Getting Started Open your OKX app, go to Portfolio, and select Withdraw.Published on Aug 31, 2024Updated on Mar 18, 202659How do I make a withdrawal? (web)
Fill in withdrawal details on the internal withdrawal page Complete the 2FA verification and select Confirm, your withdrawal order will be submitted Note: if you change your mind, you can cancel the request within 1 minute and no fees will be charged.Published on Aug 20, 2024Updated on Nov 17, 20258Understanding OKX's Security Fund
Within our OKX group, depending on local regulations, the term "Security Fund" may be known by other names.The fund is primarily used to manage losses incurred when a user's position is liquidated and subsequently leads to negative equity (a state where the market value of the position falls below the "bankruptcy price" or zero-margin level).2. What's the Security Fund Used For? The core purpose of the Security Fund is to absorb the shortfall created by "bankrupt positions."Published on Mar 25, 2026Updated on Apr 6, 20263USD-margined futures contracts FAQ
As a result, USD or USDG equity will be reset to zero. If the market moves further against the trader’s positions, and the negative UPL again exceeds 20,000 USD, the full amount of the negative equity will again be converted to USDC. If the market moves in favor of the trader’s positions and generates a positive UPL, the positive equity will not be automatically converted to USDC.Will there be any delays in withdrawals?Published on Oct 13, 2025Updated on Feb 12, 20265Buy crypto with rewards terms and conditions
Streak Logic and "Reset to Day 2" Rule The campaign uses a behavioral design choice to encourage completion while minimizing user frustration: Daily Tracking: Only one qualified buy per calendar day (UTC+1) counts toward the streak. Breaking the Streak: If you miss a day after completing your first buy, your progress will not reset to zero. Reset Mechanics: Because your Base Reward (€5 BTC) is secured on Day 1, a missed day resets your progress to Day 2.Published on Feb 19, 2026Updated on Mar 16, 2026How do total Profit and Loss (PnL) and Grid profits work for Spot Grid?
If you performed a Grid Edit or Add Investment, your Grid Profits at that time may have been fully reinvested—resetting your withdrawable amount to zero. Grid Profits are approximations and may include small rounding differences or estimated fees (which are charged in different currencies), as described in the example in (3) above.Published on Jun 20, 2025Updated on Nov 26, 202554What's Futures DCA bot and how do I maximize my efficiency with automated crypto trading through it?
For example, if the interval is set to 1 hour, the bot will only evaluate the condition after the full 1-hour candlestick is completed. If the candlestick hasn’t closed yet, the condition won’t trigger, even if the RSI threshold is reached during that period.5. Why doesn’t a newly created futures DCA (Martingale) bot show an estimated liquidation price?Published on Apr 3, 2024Updated on Jan 28, 202681OKX DEX User Guide (Web)
The Trade feature also offers a limited-time zero trading service fee. In addition, the Trade feature is equipped with advanced tools such as intent-based trading, DEX market data, limit orders, KYT screening, and MEV protection, providing users with a comprehensive, efficient, and secure on-chain trading experience.Published on Aug 25, 2023Updated on Feb 12, 20261,014What is the New User Full Rebate Program?
Excluded Transactions: Zero-fee stablecoin trading pairs as may be available on the OKX Platform (for example, USDC/USDT, USDG/USDT, USD1/USDT, USDT/USDS, PYUSD/USDT). Zero-fee Convert transactions. Internal transfers, red packets, P2P sharing orders, or any transfers that do not constitute a market trade.5. What is the reward mechanism for the New User Full Rebate Program?Published on Mar 16, 2026Updated on Apr 6, 2026What's OKX Affiliate Program in EEA?
We don’t credit commissions for: Zero-fee trades Trades with rebate cards (commissions will be credited in the form of rebate cards) Trades with special fee rates You may not be able to earn commissions from users located in Prohibited Jurisdictions, as further defined below.Where can I view commission metrics? You can view invitees’ deposited amount, fees, and commissions on the Invitees page.Published on Sep 27, 2023Updated on Jan 22, 20261How do I register an account on OKX?
The platform also supports NFT trading across multiple blockchains with zero trading fees and seamless access to leading marketplaces like OpenSea and Magic Eden. With integrated account management, fiat-to-crypto options, and wallet connectivity, we bring everything you need to manage, trade, and grow your crypto portfolio in one place. Registering for an account on our platform only takes a few minutes and gives you access to the world's most powerful suite of crypto trading tools.Published on May 23, 2024Updated on Apr 7, 202627,189Forced Loan Repayment, Credit Line Liquidation and Risk Unit Terms and Conditions
Discounted asset value of delegated main account (in USDT value): = (50 * 0.97525 * 100,000) - (1,000 * 1 * 2,600) + (10,000,000 * 0 * 0.2330) + (5,000,000 *1 * 1) = 7,276,250 Discounted asset value of Sub-account 1 (in USDT value): = (-50 * 1 * 100,000) + 10,000,000 * 1 = 5,000,000 Total Discounted asset value of the Risk Unit: = 7,276,250 + 5,000,000 = 12,276,250 Total Liabilities of the Risk Unit Sum of all liabilities in the Risk Unit.Published on Mar 12, 2025Updated on Dec 9, 202531