{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Can you give an example to illustrate the scenario of cross-program call?","a":"Shared memory: In scenarios where multiple processes need to access a shared memory region, cross-process calls are used to coordinate access and prevent  data races."}]}],"pr":"2de1e5d36fec3966ec224fc1b7fb62ffb7c9d97af449a571c16d144ec76ed1e0"}