Timestamp
Network & Protocol
9 references
A time value recorded in a block, often used for ordering and difficulty adjustment. Block timestamps are usually constrained but not perfectly accurate.
Appears in 9 whitepaper sections
$BTC
Bitcoin
Introduction
...pose a solution to the double-spending problem using a peer-to-peer distributed timestamp server to generate computational proof of the chronological order of transactio...
Timestamp Server
The solution we propose begins with a timestamp server. A timestamp server works by taking a hash of a block of items to be tim...
Proof-of-Work
To implement a distributed timestamp server on a peer-to-peer basis, we will need to use a proof-of-work system simi...
$ETH
Ethereum
Mining
...ed to produce roughly one block every ten minutes, with each block containing a timestamp, a nonce, a reference to (i.e. hash of) the previous block and a list of all of...
Code Execution
...ovided by the caller, and block-level properties like the current block number, timestamp, and miner address. The code can return an output byte array to the caller and ...
Blockchain and Mining
... receipt root (storing data from transaction execution), along with difficulty, timestamp, and nonce values. The state itself is a large Merkle Patricia trie mapping add...
$SOL
Solana
Abstract
...to the sequence by appending it to the state that is hashed, thereby creating a timestamp that guarantees the data existed before the next hash was generated. This mecha...
Introduction
... in the network. The lack of a trusted source of time means that when a message timestamp is used to accept or reject a message, there is no guarantee that every other p...
Timestamp
Each hash and counter published by the PoH generator represents a unique timestamp. This timestamp is a proof that the data was created before the hash was genera...