Definition ∞ Block suppression refers to an action where a miner or validator intentionally withholds a newly created block from the network. This act prevents the block from being added to the blockchain. It can be a malicious tactic to disrupt network operations or gain an unfair advantage in block rewards. Such an event undermines the integrity and progress of the distributed ledger.
Context ∞ Block suppression is a security consideration in proof-of-work and proof-of-stake blockchains, particularly in discussions surrounding miner or validator centralization. Its potential for manipulation affects transaction finality and network security. Monitoring for such activities remains a critical aspect of blockchain network health and decentralization assessments.
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