Definition ∞ On-chain disruption refers to a significant event or alteration occurring directly on a blockchain that changes its normal operation or impacts its ecosystem. This can include protocol upgrades, major security incidents, or sudden, substantial shifts in network activity. Such events directly affect the integrity and functionality of the distributed ledger.
Context ∞ News reports frequently cover on-chain disruptions, ranging from planned hard forks and successful protocol migrations to unexpected outages or malicious attacks. Understanding these events is crucial for assessing the resilience and ongoing evolution of blockchain networks and their associated digital assets. These occurrences can have far-reaching market implications.