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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 21 Oct 2024Updated on 11 Feb 202689Zero-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 10 May 2023Updated on 8 Sept 2025178How 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 22 Aug 2023Updated on 24 Feb 20261,556P2P sell crypto FAQ
OKX charges zero fee on P2P trading. Your bank or third-party apps used may charge a transaction fee when you make a transfer.Published on 1 Sept 2023Updated on 3 Mar 20261,108Why do I have to trade on OKX Liquid Marketplace?
Nitro Spreads: Easily make a spread trade with one-click via Nitro Spreads, as all orders are guaranteed to fill in matching quantities for each leg or none at all, thus having zero leg risk and minimized price slippage. It also supports various strategies including funding rate farming, spot futures carry trade, and calendar rolls. For more details, visit here.Published on 13 Mar 2024Updated on 30 Oct 202516How does futures spread trading work on OKX Liquid Marketplace?
Nitro Spreads Easily make a spread trade with one-click via Nitro Spreads, as all orders are guaranteed to fill in matching quantities for each leg or none at all, thus having zero leg risk and minimized price slippage. It also supports various strategies including funding rate farming, spot futures carry trade, and calendar rolls. For more details, visit here.Published on 13 Mar 2024Updated on 10 Sept 20256What 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 16 Mar 2026Updated on 16 Mar 2026How do I make a withdrawal? (app)
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.FAQ1. How to choose the deposit/withdrawal network? When selecting a withdrawal network, the network used on the other exchange or wallet must match the OKX withdrawal network.Published on 22 Aug 2023Updated on 18 Mar 20265,770Why is my accessible balance lower than my funds unavailable for withdrawal?
USD value (Crypto asset) Accessible balance 60,000 (~1 BTC) Unavailable for withdrawal 60,000 (~1 BTC) (Protected value) 0 (Locked value) 60,000 (~1 BTC) Available for withdrawal 0 Stage 3: the user converts his 1 BTC to ETH at the price of 3,000 USDT/ETH. He receives 20 ETH at 17:10 UTC.Published on 13 May 2024Updated on 8 Sept 2025338How can I do spot trading with the Jupyter Notebook?
Learn more on how to access our market data and refer to the code below. 1 import okx.MarketData as MarketData 2 flag = "1" # live trading: 0, demo trading: 1 3 marketDataAPI = MarketData.MarketAPI(flag=flag) 4 result = marketDataAPI.get_tickers(instType="SPOT")print(result)6. How can I read the available trading pairs?Published on 29 Sept 2023Updated on 10 Sept 2025543How do I change my login password?
Self-service tool For quick access, click the button below:On the appI remember my login password Open your OKX app and go to User Center Open User Center page Select Profile and settings, find Security, and select Login password under the Authentication methods section Fill in the information below and confirm: Current login password New login password 8-32 characters long 1 lowercase character 1 uppercase character 1 number 1 symbol Complete the Security authentication (such as Phone / Email authenticationPublished on 22 Aug 2023Updated on 4 Mar 202619,533How long does it take for a deposit to be completed?
OKX completes the deposit process based on the final Layer 1 status and block confirmations. [1 Bundle Verification]: the deposit only requires verification on Layer 2. [2 Bundle Verifications]: the deposit requires verification on both Layer 1 and Layer 2.Blockchain Network Congestion When the blockchain network is congested, transaction confirmation times may be extended, which can delay the deposit arrival time.Published on 17 Oct 2024Updated on 1 Jan 2026394Trading Fee Rules FAQ
Trader A (Maker fee: 0.02%; Taker fee: 0.03%) bought 100 contracts of call options (notional is 1 BTC): If trader A is the taker when order filled, so the Trading fee = Min(0.03% × 0.01 × 1 × 100, 7% × 0.05 × 0.01 × 1 × 100) = 0.0003 BTC; If trader A is the maker when order filled, so the Trading fee = Min(0.02% × 0.01 × 1 × 100, 7% × 0.05 × 0.01 × 1 × 100) = 0.0002 BTC.Published on 22 Mar 2024Updated on 17 Mar 20261,071What are the rules for P2P order cancellation?
You'll be banned for 15 minutes, 30 minutes, 1 hour, 4 hours, or all day. It'll be cleared at 00:00 on the same day. Trigger Restriction Duration 1st time The number of cancellations reaches the upper limit of the day.Published on 16 Aug 2023Updated on 28 Jan 20261,748Address type upgrade FAQ
Example 1: Entry 1: (Standard) Address A Entry 2: (Universal) Address A These addresses will be merged to Entry 2, which allows withdrawals of any crypto selected for a specific network, based on compatibility. Example 2: Entry 1: (Standard) Address A Entry 2: (Universal) Address A Entry 3: (EVM) Address A These addresses will be merged to Entry 3, which allows withdrawals of any crypto selected for EVM compatible networks.How does the verification period works after the address type upgrade?Published on 26 Aug 2025Updated on 30 Dec 2025858