{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how do you handle concurrent read/write operations for shared accounts?","a":"Transactions: Using transactions  to wrap a set of operations, ensuring they are executed as a whole. Transactions possess Atomicity, Consistency, Isolation, and Durability (ACID) characteristics. In blockchain, transactions are the fundamental units of operation."}]}],"pr":"f1555c1846bc3d3e1966e340cf8a71a2131cd50cff9d92ad636ebd470c7521b1"}