{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does sharding in blockchains achieve node redundancy and state transition?","a":"Data Sharding: Blockchain  divides data into shards, and each node is responsible for storing a portion of the data. When a node fails, other nodes can continue to assume its stored data, thereby achieving node redundancy."}]}],"pr":"72cfebc2a817c1c155f2042f9ac843c63d397db53b40f8d4d214a12ea3c3d669"}