What is Proof of History (PoH)?

Proof of History (PoH) is a consensus methodology on the Solana blockchain that incorporates the measurement of time into a blockchain ledger with the intent of scaling and streamlining transactional throughput. While most blockchains operate without a timestamp, PoH functions like a decentralized clock that enables nodes on the Solana network to process transactions without devoting processing power to solving for discrepancies in minuscule differentiations in time and order.