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Gas fees FAQ
Gas fees are determined by three key factors: Gas price: the cost per unit of gas, often influenced by network demand. Gas limit: the maximum amount of gas your transaction can consume. Complex actions, like interacting with smart contracts, require higher gas limits. Network traffic: during high traffic periods, fees may increase as users compete for transaction processing.Published on Feb 17, 2025Updated on May 29, 2026286OKX DEX User Guide (Web)
Once it's done, select Swap to proceed If you have sufficient gas fees, you will be redirected to the order summary page and select Confirm swap after confirming the details If you have insufficient gas fees, you can select Approve [crypto] > Fill up [crypto] > Swap for gas, a recommended feature for you to quickly convert mainstream assets into gas feesBridge Select the amount of Pay and Receive token you want, then select Swap cross-chain Select Confirm swap after confirming the details Pick yourPublished on Aug 25, 2023Updated on May 29, 20261,022How do I get started with OKX Trade?
It has its own smart order routing algorithm that can provide users with the most efficient, seamless, and cost-effective cross-chain experience.2. What's cross-chain swap? A cross-chain swap allows for the direct exchange of assets between different blockchains without the requirement for a sequential process. It employs algorithms to discover the most efficient cross-chain route in terms of both cost and time.Published on Jul 26, 2022Updated on Jun 18, 202681How do I trade with OKX DEX?
OKX DEX is a one-stop, multi-chain, and cross-chain trading aggregator. OKX DEX helps you to find the best route to place an order across different DEXs. By comparing prices across liquidity pools and splitting orders, you can get the best trading prices with minimal slippage, and lower network gas fees in multi-chain and cross-chain scenarios.Published on Feb 12, 2025Updated on May 29, 202631OKX DEX user guide (app)
It aggregates liquidity from multiple decentralized exchanges and automatically selects optimized routes based on price, liquidity, and gas efficiency. Users can perform token swaps, bridge (cross-chain swaps), and view estimated fees and slippage in one place, without manually interacting with individual DEX platforms.DeFi DeFi provides access to decentralized finance opportunities across different blockchain ecosystems.Published on Aug 24, 2023Updated on May 29, 20266,303How can I quickly top up my OKX Wallet gas fee from the OKX Exchange?
When sending assets from OKX Wallet, gas fees are paid in the native token of the network you're using. For example, sending assets on the TRON network requires TRX to cover the gas fee. Different networks use different tokens for gas, you may check the page for the specific token required.Published on May 21, 2025Updated on Jun 18, 2026237OKX NFT Marketplace: Your Gateway to a Multi-Chain NFT Universe
OKX Token Chain (OKTC): Facilitate cross-chain asset transfers. Opens doors to a broader spectrum of DApps. Polygon (MATIC): Low gas fees, ideal for smaller NFT purchases. Scalable and efficient NFT trading. Solana (SOL): Lightning-fast transaction speeds. Ideal for high-frequency NFT trading. Klaytn (KLAY): Popular in South Korea's NFT scene. Strong developer support. Avalanche (AVAX): Promotes interoperability with other blockchains. An ecosystem growing in NFT popularity.Published on Nov 23, 2023Updated on May 29, 202620How do I capture dual-pronged arbitrage opportunities with the OKX ETH/BTC Bot?
With a range of advantages, flexibility, and adaptability to market conditions, the ETH/BTC Bot stands as a beacon of innovation, inviting users to explore the vast potential of dual-pronged arbitrage opportunities in the cryptocurrency market.Published on Mar 6, 2024Updated on May 29, 202627What is OKX DEX Aggregator+?
Better prices on large trades Solvers can tap into diverse liquidity sources — including private market makers, cross-DEX arbitrage, and proprietary strategies — delivering tighter spreads and lower slippage, especially on trades above $1,000.Gas-free trading When you use Intent Swap, the Solver covers the gas fee during settlement. You don't need to hold native tokens (such as ETH) to pay for gas.MEV protection Your trade intent isn't broadcast to the public mempool.Published on Apr 20, 2026Updated on Apr 30, 202678How do I use my Smart Account?
doesn't have enough tokens or native tokens to cover the gas fee.Published on Aug 30, 2023Updated on Nov 17, 202513,002What is AA Smart Account?
User-friendly: it removes the dependence of Gas on the main chain coin, allowing you to use any token to pay Gas, including stablecoins, and realizes the third-party payment of Gas. Expanded possibilities: the wallet itself is a smart contract, providing the same level of security as the OKX Wallet while offering additional customizable functionalities.How do I import an AA Smart Account?Published on Sep 4, 2023Updated on May 29, 20266,104How to withdraw, trade and stake WLD tokens on OKX wallet?
Follow these tutorials to start trading on OKX Wallet: OKX DEX User Guide (App) OKX DEX User Guide (Web) Make sure you have Op_ETH for gas fees for both trading and staking. If you have insufficient gas fees, you can select Approve [crypto] > Fill up [crypto] > Swap for gas, a recommended feature for you to quickly convert mainstream assets into gas fees. Note: Only WLD pairs on Optimism chain will be counted in the campaign.How do I stake WLD tokens on OKX Wallet?Published on Jul 28, 2023Updated on May 29, 2026103What'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 May 29, 202643Moving funds in Vietnam: Transfer to Exchange and adding from Funding balance
X Layer carries zero gas fees for these assets. Other networks (such as Ethereum or Tron) may charge gas fees. Need more help? Contact SupportPublished on Apr 20, 2026Updated on May 29, 2026How do I deposit OKT Chain assets from Web3 Wallet to Exchange?
fees when transferring other tokens.FAQWhat should I do if I don’t have enough funds to cover the gas fees?Published on Jan 16, 2026Updated on May 29, 202612