Blockchain Fundamentals

Reorg

Also: Chain Reorganization

When a network switches to a different, longer or heavier version of the chain, discarding blocks it had previously accepted. Short reorgs happen routinely; deep ones are rare and can be a sign of an attack.

General education, not investment, legal or tax advice. Markets and regulation change quickly: where a definition depends on current law or on a recent event, check the latest coverage before relying on it.