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Transaction Blocking

Definition

Transaction blocking refers to the act of preventing a legitimate transaction from being included in a blockchain block, often through malicious means or network congestion. This can occur if a miner or validator intentionally censors transactions, or if high fees from other transactions push lower-fee transactions out of the mempool. It can disrupt the flow of value and undermine the censorship resistance of a decentralized network. Such actions can be a significant concern for network integrity.