Definition ∞ Temporary blocks are newly created blocks of transactions that have been proposed by a miner or validator but have not yet achieved sufficient network confirmations to be considered permanent. These blocks exist within the current working chain, but their position is not entirely final. They carry a slight risk of being orphaned or replaced by a competing block if a fork occurs. Such blocks represent provisional additions to the ledger.
Context ∞ Temporary blocks are a normal part of blockchain operation, particularly in networks with variable block times or high transaction volumes, and are often discussed in the context of transaction finality. Users typically wait for several subsequent blocks to be added before considering a transaction truly confirmed. News reports on network forks or consensus mechanism changes sometimes address the handling and resolution of these provisional block states.
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