Block Chain

The block chain provides Dash's public ledger, an ordered and timestamped record of transactions. This system is used to protect against double spending and modification of previous transaction records.

Each full node in the Dash network independently stores a block chain containing only blocks validated by that node. When several nodes all have the same blocks in their block chain, they are considered to be in consensusconsensus - When several nodes (usually most nodes on the network) all have the same blocks in their locally-validated best block chain.. The validation rules these nodes follow to maintain consensus are called consensus rulesconsensus rules - The block validation rules that full nodes follow to stay in consensus with other nodes.. This section describes many of the consensus rules used by Dash Core.


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