{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why does blockchain use elliptic curve cryptography?","a":"Efficiency: The computing speed  of elliptic curve encryption and decryption processes is relatively fast, which is crucial for blockchain systems. In a blockchain network, there are a large number of transactions and thus, efficient cryptography is essential to maintain the performance of the system."}]}],"pr":"3a5f92c7a17998f1870ccf1fc3430dff21abce294d2a2e69c68feec8b301e4a1"}