Throughput
Web3 / infrastructure applications
Throughput refers to the maximum number of transactions a blockchain network can process and finalize per second, measured as transactions per second (TPS). It is a critical performance metric that directly impacts scalability, user experience, and network utility. Throughput is constrained by multiple factors including block size, block time, consensus mechanism efficiency, and the computational complexity of transaction validation. Higher throughput enables blockchains to support more users and applications without network congestion, transaction backlogs, or escalating gas fees. Different blockchain designs make explicit tradeoffs between throughput, decentralization, and security—often referred to as the blockchain trilemma. Example: Bitcoin processes approximately 7 transactions per second due to its 1 MB block size and 10-minute average block time, while Solana achieves theoretical throughput of 65,000 TPS through parallel processing and optimized consensus, demonstrating how architectural choices dramatically affect transaction capacity. Why it matters for blockchain infrastructure: Throughput directly determines whether a blockchain can achieve mainstream adoption. High throughput reduces transaction costs, improves user experience, and enables blockchains to compete with traditional payment systems and support complex decentralized applications.
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