{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is the Real-time Lockdrop mechanism needed?","a":"Concurrency issues in distributed systems: In distributed systems, multiple nodes need to access and process shared resources simultaneously, which may lead to data inconsistency and concurrency  issues. The Real-time Lockdrop mechanism ensures data consistency by providing a lock mechanism, allowing only one node to access shared resources at a time and thus avoiding concurrency issues."}]}],"pr":"28d6f2d7e0048c29aaee9674904d2fc320c72043a7297b0026c2c6b7f2319dc7"}