Mining • Estimated 30m
Block Withholding
mining.block-withholding
Block withholding is a pooled-mining attack in which a miner submits ordinary shares for payment but withholds a block-valid share, sacrificing little personal revenue while denying the pool the block reward.
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Curated resources (3)
- Bitcoin Optech: Block Withholding (article) Defines the attack, its pool-economics asymmetry, common mitigations, and oblivious shares as a proposed remedy.
- Bitcoin Optech: Pooled Mining (article) Explains share targets and payout models required to understand why selective withholding harms the pool.
- Mastering Bitcoin (book) Background on proof of work, mining incentives, and the pooled-mining environment in which the attack occurs.
Direct prerequisites (1)
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