> ## Documentation Index > Fetch the complete documentation index at: https://docs.raydium.io/llms.txt > Use this file to discover all available pages before exploring further. # FAQ > Consolidated answers to the questions new Raydium users actually ask: fees, failed transactions, LP tokens, unwrapping SOL, finding transactions, and more. Questions are grouped by topic. For the detailed flow of any specific action, follow the cross-references — this page is the quick-answer index. ## Basics ### What is Raydium? A decentralised exchange (DEX) on Solana. You use it to swap tokens, provide liquidity, farm rewards, and launch tokens — all without an account or a centralised intermediary. See [`introduction/what-is-raydium`](/introduction/what-is-raydium). ### Do I need an account? No. Your Solana wallet is your identity. There's no signup, no KYC (on Raydium itself), no password. ### Is there a mobile app? Raydium doesn't ship its own app. Use the built-in dApp browser of any reputable Solana wallet that has one — raydium.io loads inside it. ### Which wallet should I use? Any reputable, non-custodial Solana wallet that supports versioned (V0) transactions. See [`getting-started/choosing-a-wallet`](/getting-started/choosing-a-wallet) for the features that matter when picking one. ### What is RAY? Raydium's native SPL token. You can stake RAY in the Raydium app and track RAY buybacks from protocol fees. You **do not** need RAY to swap or provide liquidity — it's optional. See [`ray/index`](/ray). ## Fees ### How much does a swap cost? Two kinds of fee: * **Trading fee:** 0.25% on most pools (some tiers offer 0.01%, 0.05%, or 1%). Split between LPs and protocol. Charged on every swap. * **Network fee:** \~0.0005–0.002 SOL (a few cents) for the Solana transaction itself. Paid in SOL. ### What's the "priority fee"? An optional tip to Solana validators to prioritise your transaction during congestion. The Raydium UI has a priority-fee selector (Normal / Turbo / Max). On a quiet network, pick Normal. On a congested network, Turbo prevents your transaction from getting dropped. See [`integration-guides/priority-fee-tuning`](/integration-guides/priority-fee-tuning). ### How much SOL do I need for fees? Budget **0.02 SOL** as a minimum safety buffer. One swap costs \~0.002 SOL; you don't want to run down to exactly zero. ### Why did the trade fee look bigger than 0.25%? If either token is Token-2022 with a transfer fee, the total cost compounds: pool fee + transfer fee + another transfer fee on output. See [`reference/fee-comparison`](/reference/fee-comparison). ## Transactions ### My transaction failed. Why? Most common causes: 1. **Slippage exceeded** — price moved between quote and execution. Raise slippage (0.5% → 1% or 2%) and retry. 2. **Insufficient SOL for fees** — always leave at least 0.02 SOL above your swap amount. 3. **Stale route** — the pool changed (unlikely in short windows). Refresh the page and retry. 4. **Congestion** — Solana was overloaded; raise priority fee. The transaction fee is still paid on a failed transaction (that's how the network charges for the wasted compute). The trade itself does not happen. ### How do I find a transaction? * Your wallet's **Transaction history** tab. * The Raydium UI's **confirmation toast** links to an explorer. * Search your wallet address on [`solscan.io`](https://solscan.io) or [`explorer.solana.com`](https://explorer.solana.com). ### What's the transaction signature / hash? A base58 string (\~88 characters) that uniquely identifies a Solana transaction. It's shown in your wallet log and on explorers. ### Can I cancel a pending transaction? Usually no. Solana transactions either land or expire (in \~30 seconds) — there's no mempool to cancel from. If a transaction is stuck pending, wait 30 seconds; it will either confirm or drop. ### Can I reverse a completed transaction? No. Solana transactions are final. If you sent funds to the wrong address, they're gone unless the recipient voluntarily returns them. ## Tokens ### How do I know a token is legitimate? * Look for the **verified** badge in the Raydium UI. * Cross-check the **mint address** against known canonical addresses ([`reference/program-addresses`](/reference/program-addresses) for protocol addresses; see [`getting-started/trust-and-safety`](/getting-started/trust-and-safety) for common tokens). * Check the token on [`solscan.io`](https://solscan.io) — look at holder count, mint authority, freeze authority. ### What's wrapped SOL? SOL, the native token, is **not** an SPL token — the Solana runtime treats it specially. For pools and many dApps, you need SOL in SPL form ("wrapped SOL", `So11111111111111111111111111111111111111112`). Your wallet and Raydium wrap and unwrap automatically. Occasionally small dust amounts of wSOL remain; they're unwrapped on your next swap. ### I see two versions of the same token (e.g. USDC and USDC.wh). Why? * **USDC** = native USDC issued by Circle. Preferred. * **USDC.wh** = USDC bridged from Ethereum via Wormhole; a different token on-chain. They trade at slightly different prices because they live in separate pools. Raydium will tell you which you're holding; prefer native for most use cases. ### What's an LP token? When you deposit into an AMM pool, you get **LP tokens** (Liquidity Provider tokens) representing your share. Burn them to withdraw your share plus accrued fees. * **CPMM / AMM v4:** LP tokens are fungible SPL tokens. You can stake them in a farm, send them to another wallet, etc. * **CLMM:** your position is a **position NFT**, not a fungible LP token. You can transfer it, but can't stake it in Farm v6. See [`user-flows/add-remove-liquidity`](/user-flows/add-remove-liquidity). ### How do I close an empty token account? Some wallets offer a "Close" or "Burn empty accounts" button. Each closed account returns \~0.002 SOL of rent. Safe for standard SPL tokens; **don't close Token-2022 accounts with transfer hooks** (hook program runs on close). ## LP & farming ### What's impermanent loss? The value gap between holding LP tokens and simply holding the two underlying tokens. For correlated pairs it's negligible; for volatile uncorrelated pairs it can be 10–50% over a year. See [`algorithms/impermanent-loss`](/algorithms/impermanent-loss). ### Should I use CPMM or CLMM? CPMM = set-and-forget, lower fee capture per dollar. CLMM = active management, higher fee capture per dollar, more IL risk. Full decision guide: [`user-flows/choosing-a-pool-type`](/user-flows/choosing-a-pool-type). ### Can I stake my CLMM position? CLMM positions can't be staked in Farm v6 (farms accept only fungible LP tokens). However, some CLMM pools have built-in farm rewards that accrue to the position directly. See [`products/clmm/fees`](/products/clmm/fees). ### What's Burn & Earn? A mechanism for permanently locking an LP position while retaining a **Fee Key NFT** that continues to collect trading fees. Used heavily by LaunchLab graduated tokens. See [`user-flows/burn-and-earn`](/user-flows/burn-and-earn). ## LaunchLab specifically ### What is LaunchLab? Raydium's token-launch program: a bonding curve that graduates into a full Raydium pool when it hits a funding target. See [`products/launchlab/overview`](/products/launchlab/overview). ### Can I launch a token myself? Yes, via raydium.io/launchlab or a third-party platform built on LaunchLab. See [`user-flows/launch-token-launchlab`](/user-flows/launch-token-launchlab). ### What are creator fees? LaunchLab splits fees into a pre-graduation pool (claimed from a vault) and a post-graduation pool (claimed via a Fee Key NFT from Burn & Earn). See [`products/launchlab/creator-fees`](/products/launchlab/creator-fees). ## Perps ### Does Raydium have perpetual futures? Yes — Raydium Perps, powered by Orderly Network. Gasless CLOB trading with up to 100× leverage. See [`products/perps/index`](/products/perps/index). ### How is it different from spot swap? Perps are leveraged derivatives — you trade price exposure, not the actual token. Gasless (orders don't send a Solana transaction). See [`products/perps/trading-basics`](/products/perps/trading-basics). ## Referrals ### How do referrals work? Share a Raydium swap URL with your wallet as referrer; you earn 1% of every swap through the link. See [`user-flows/referrals-and-blinks`](/user-flows/referrals-and-blinks). ### What are Blinks? Shareable one-click transaction links. When a referral link is posted on X (Twitter), compatible wallets render it as an interactive widget that lets the viewer swap without leaving the post. ## Still stuck? * **Raydium Discord** — [discord.gg/raydium](https://discord.gg/raydium). Public support channels. **Ignore all DMs.** * **GitHub issues** — for bugs in the SDK or on-chain programs. * **Documentation** — you're reading it. Use the search bar. ## Where to go next * [`getting-started/first-swap`](/getting-started/first-swap) — your first trade. * [`user-flows/index`](/user-flows) — step-by-step flows for everything else. * [`reference/glossary`](/reference/glossary) — definitions.