{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the challenges of implementing smart contracts on a sharded architecture in blockchain technology?","a":"Cross-shard communication: Under the sharding architecture, smart contracts need to implement cross-shard communication to complete transactions and collaborations. This involves the security, reliability, and efficiency of cross-shard data transmission, which poses challenges for smart contracts."}]}],"pr":"31070bdbf67344b4f10fc2424830c819e707d9b26f84667680de26c3ce0c9549"}