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Proof of History (PoH) Meaning

Proof of History (PoH) is a Technological Innovation (pioneered by Solana) that acts as a Digital Clock for the blockchain. In traditional blockchains, nodes must Talk to Each Other to agree on When a transaction happened, which creates a Bottleneck. PoH allows the network to Prove that a transaction occurred at a Specific Moment in Time without the nodes needing to Wait for each other, drastically Increasing Speed.Technically, PoH is a Verifiable Delay Function (VDF).

It is a Continuous Loop of SHA-256 Hashing. Each Output becomes the Input for the next hash. This creates a Chain that can only be Created Sequentially (you can't Fast-forward it).

By Tucking a transaction into this Loop, you Timestamp it. Anyone can Verify the entire chain of hashes very quickly in Parallel, proving that Time has Passed and the transaction happened in the Correct Order.Because of PoH, Solana can process 65,000+ Transactions Per Second.

It allows the Validators to Produce Blocks in a Predictable Schedule. While one validator is Broadcasting the current block, the Next Validator is already Preparing the next one because they Know the Time.

This Pipelining is what makes Solana feel like a Single Global Computer rather than a Fragmented Network.PoH is Not a Consensus Mechanism on its own; it is an Optimization that works with Proof of Stake. It solves the Problem of Coordination in a decentralized system.

By providing a Shared Sense of Time, it removes the Network Latency that slows down other blockchains. It is one of the most significant Engineering Breakthroughs in the history of Distributed Systems, moving us closer to Web2 Speeds on Web3 Rails.

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Finery Markets BVI Limited (“Finery Markets”) provides software, technology infrastructure, and related Information and Communication Technology (ICT) services on a Software-as-a-Service (“SaaS”) basis. Finery Markets acts solely as a software vendor and does not operate a trading platform, does not intermediate, match, execute, clear, or settle transactions, and does not engage in any activities that would require regulatory authorisation under applicable laws.

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