
SPL refers to the Solana Program Library, a set of universal program and token standards on the Solana blockchain designed for issuing, transferring, and managing various types of assets. Think of SPL as a combination of Ethereum’s ERC‑20 standard and commonly used smart contracts.
From a technical perspective, Solana is a high-performance blockchain—similar to a highway built for high-speed transactions. SPL represents the “vehicle standards” and “traffic rules” operating on this highway, ensuring that wallets, exchanges, and applications process assets in a consistent way.
On Solana, SPL is a widely adopted suite of on-chain programs and standards that cover tokens, accounts, and essential tools. The core component is the “token program,” which defines how tokens are created, permissions are set, and transfers are conducted.
In Solana’s context, a “program” is an application deployed on-chain. It’s not owned by any single user and can be called by anyone. SPL provides public programs for common needs, allowing developers and users to leverage ready-made functionality instead of building from scratch—minimizing errors and maximizing compatibility.
SPL operates through a “program + account” model: transactions call SPL programs, which read or update data stored in accounts to execute token transfers or modify permissions.
Think of an “account” as a folder for storing specific data. A “token account” corresponds to an address’s balance for a particular token. When an SPL token transfer occurs, the program checks if the sender and receiver have token accounts for that asset and verifies the balance before updating each account.
For example, when sending USDC (SPL version), your wallet initiates a transaction that calls the SPL token program. The program verifies permissions and balances, then updates both token accounts. The user simply sees “transfer successful,” but behind the scenes, the program manages state changes directly on-chain.
SPL tokens are primarily used for payments, settlements, trading, and in-app asset flows. Stablecoins, gaming points, governance tokens, and even some NFT-related processes rely on the SPL token standard.
At the transaction layer, by late 2025 most mainstream wallets and apps will support automatic creation of associated SPL token accounts—making first-time deposits smoother. On exchanges, assets like USDC (SPL) and other SPL tokens can be used for deposits, withdrawals, and trading pairs.
Both SPL and ERC‑20 define how tokens are created and transferred but their underlying models differ. ERC‑20 runs on Ethereum smart contracts with each address holding multiple token balances; SPL on Solana creates a separate “token account” for each asset, similar to sub-accounts under one address.
Permission structures also differ. ERC‑20 uses an “approve/transferFrom” flow for approvals; SPL introduces roles like “mint authority” and “freeze authority,” offering clearer permission controls. For fees, SPL transactions use SOL to pay network fees and benefit from Solana’s parallel execution and high throughput.
Depositing SPL tokens on Gate requires selecting the correct network and verifying your address:
Step 1: On Gate, select the token you want to deposit—such as USDC—and choose “Solana (SPL)” as the network. This ensures your assets are sent via the right chain.
Step 2: Copy the Solana deposit address generated by Gate. This address is where your funds will be received; make sure your wallet uses the same network.
Step 3: Initiate the transfer from your Solana wallet, sending SPL tokens to the address above. Confirm that both the token contract and network are Solana—do not select other chain versions.
Step 4: Wait for blockchain confirmation and exchange deposit processing. Network congestion can affect speed; to reduce risk, always start with a small test transfer before moving larger amounts.
Risk tips: Choosing the wrong network may result in lost assets or require manual intervention; always copy the address fully and accurately; ensure you have some SOL reserved for transaction fees.
Creating an SPL token is straightforward but requires careful planning of parameters and permissions.
Step 1: Prepare a Solana wallet and some SOL to cover creation and future transaction fees.
Step 2: Choose your toolset—either command-line (Solana CLI) or graphical interfaces; CLI offers flexibility while GUIs are more user-friendly.
Step 3: Set token parameters: name, symbol, decimals, initial supply, and whether “mint authority” is retained or transferred.
Step 4: Create an “associated token account” to receive your new tokens and conduct initial distribution. Set up “freeze authority” and management policies as needed.
As of December 2025, mainstream wallets and developer tools offer robust support for creating and managing SPL tokens, but configuring permissions remains a common pitfall. Always record and securely store permission keys to avoid mistakes.
Using SPL involves risks related to network conditions, permissions, and counterfeit tokens. Network congestion can delay confirmations and increase fees during peak periods. Poor permission management—such as carelessly retaining mint authority—can undermine market trust.
Counterfeit token risk is significant. Anyone can create a token with the same name as an authentic one; always verify token contract addresses through official sources. When depositing to exchanges, ensure you are using the SPL version and matching addresses exactly.
Wallet security is critical. Exposure of your private key or mnemonic phrase can lead directly to asset loss. Consider using hardware wallets or multi-signature setups, and always test transfers with small amounts first.
Program: An on-chain public application whose functions can be called by anyone.
Account: A folder dedicated to storing data; programs read from and write to these during transactions.
Associated Token Account: A sub-account under an address for a specific token, recording its balance.
Mint Authority: The holder (person or contract) with permission to issue new tokens—used for supply control.
Freeze Authority: The role that can freeze specific token accounts—typically used in compliance or risk management scenarios.
SPL acts as Solana’s universal “toolbox,” standardizing tokens and core features so wallets, exchanges, and apps can work together seamlessly. Understanding how “programs + accounts” operate will allow you to create, transfer, and deposit SPL tokens confidently. Next, try a small test transfer in a sandbox environment to practice creating associated token accounts; if you plan to issue your own tokens, clarify permissions and supply strategy first, then run a test deposit via Gate before handling larger sums to minimize risk.
SPL tokens are Solana’s native token standard—similar to Ethereum’s ERC-20. They offer fast transaction speeds and low fees thanks to Solana’s high-performance network. If you want to trade or hold assets within Solana’s ecosystem, using SPL tokens provides a superior experience.
Wallets supporting Solana—such as Phantom or Solflare—can receive SPL tokens. Simply locate your Solana address in your wallet, copy it, and share it with the sender. You do not need a new address for each SPL token; one Solana address manages all your SPL assets—making it more convenient than ERC-20.
The core advantage of SPL tokens is inheriting Solana’s speed and low cost. Solana can handle thousands of transactions per second with typical fees costing just cents. If you trade or transfer frequently, SPL tokens significantly lower costs; if you value ecosystem diversity, Solana offers a large selection of SPL projects.
When trading SPL tokens on Gate, always select the correct trading pair and deposit/withdrawal network (choose Solana). Since there are many types of SPL tokens, confirm each token’s official contract address to avoid purchasing imitations. Before withdrawing to your wallet, double-check that your address follows Solana’s format—incorrect addresses can result in lost funds.
SPL itself is a secure technical standard; most risks arise from specific projects or user actions. Choosing reputable, audited SPL projects lowers risk; use official wallets, protect your private key, and avoid phishing links for basic safety. Beginners should start with mainstream SPL tokens on trusted platforms like Gate before exploring newer projects.


