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Knowledge Base

Browse the concepts behind Truestamp. Follow the links between concepts, or search across everything.

Tagged: nist

3
Entropy
External Entropy Sources How Truestamp captures unpredictable public entropy from the NIST Randomness Beacon, the Stellar ledger, and the Bitcoin blockchain, folds each observation into a block's Merkle tree and commits it as a witness in each item's own fingerprint, strengthening the submission window guarantee. Public Randomness Beacons What a public randomness beacon is, the security properties that make it trustworthy (unpredictability, bias-resistance, public verifiability, availability), and how Truestamp folds public entropy into publicly verifiable blockchain evidence.
Glossary
NIST Randomness Beacon The US National Institute of Standards and Technology public randomness service publishing cryptographically signed random pulses about once a minute in a tamper-evident chain, one of Truestamp's three entropy sources, captured by HTTP polling and re-verifiable by chain and pulse index.