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Network & Protocol
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Muncul di 4 bagian whitepaper
Introduction
...d at that specific position in the chain by recomputing the hashes from a known checkpoint. Because SHA-256 is cheap to verify in parallel but expensive to generate seque...
Network Design
...mits a transaction, it includes a recent blockhash (a reference to a recent PoH checkpoint) that serves as a transaction lifetime marker. The transaction is valid only fo...
Proof of History
...cation (parallel, multi-core):
Core 1: hash_0 → ... → hash_999 ✓ matches checkpoint
Core 2: hash_1000 → ... → hash_1999 ✓ matches checkpoint
Core 3: hash_2000 ...
Proof of History Sequence
...hash_205) --
...
300 SHA256(hash_299) -- (checkpoint)
```
Multiple data items can be inserted at the same PoH index by hashing them...