{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the bottlenecks of blockchain technology?","a":"Storage capacity: Blockchain technology relies on a large amount  of data storage, but as the amount of data grows, storage capacity becomes a key limiting factor. Existing blockchain networks, such as Bitcoin, have limited capacity for each block, which leads to limitations on the speed and volume of transactions processing."}]}],"pr":"426e2c6ae04a8ab0ffc94a0880f83ac33766ee2d2a90acdcc237ee093dbd8eb6"}