{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the complete stack trace of a blockchain implemented?","a":"Distributed data storage: Blockchain divides data into different blocks, each  containing a certain number of records. The data in the block is decentralized and stored on multiple nodes in the network to ensure security and reliability of the data."}]}],"pr":"e2a351c483941ea9468f87259928e5111ca8647bed2fad6069fbeaabec636fed"}