Proof of History: The Secret of Solana's Speed.
How does Solana achieve that amazing speed? Its key innovation is Proof of History (PoH). While most blockchains rely on a consensus where nodes have to agree on the order of events after they happen, PoH creates a verifiable historical record of events before consensus is needed. Imagine a global cryptographic clock that stamps each transaction with an accurate timestamp. This allows nodes to process transactions in parallel without waiting for confirmations from other nodes, drastically reducing processing time and increasing throughput. PoH is the foundation that enables Solana to process tens of thousands of transactions per second (TPS).
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