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Q » What is fork-choice rule?

Michael

02 Nov, 2025

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A » The fork-choice rule is a protocol used in blockchain networks to determine the preferred branch when multiple blocks are mined simultaneously, ensuring consensus among nodes. This rule helps in maintaining a consistent, secure ledger by selecting the longest or most difficult chain, such as the "longest-chain rule" in Bitcoin or the "GHOST rule" in Ethereum, ultimately guiding the network towards a single, unified transaction history.

David

03 Nov, 2025

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All Other Answer

A »The fork-choice rule is a mechanism used in blockchain networks to determine the valid chain when a fork occurs. It helps nodes agree on the canonical chain by selecting the chain with the most accumulated weight or total difficulty, ensuring the network converges on a single valid state.

James

03 Nov, 2025

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