SPL Token
Web3 / cryptocurrency types
SPL Token is the standard interface for creating fungible and non-fungible tokens on the Solana blockchain, functionally equivalent to Ethereum's ERC-20. Developed by Solana Labs, the standard defines how token programs interact with the Solana runtime, including transfer mechanics, balance tracking, and supply management. SPL tokens leverage Solana's architecture to offer significantly faster transaction finality and lower fees compared to Ethereum-based tokens. The standard has become foundational to Solana's ecosystem, supporting everything from stablecoins to governance tokens and wrapped assets. Example: USDC on Solana is an SPL token that enables fast, low-cost stablecoin transfers; users can send USDC between Solana wallets with confirmation in milliseconds and minimal transaction costs. Why it matters for cryptocurrency: SPL tokens unlock Solana's speed and cost advantages for token ecosystems, enabling viable microtransactions and high-frequency applications impossible on high-fee networks.
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