{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does Solana technology in blockchain achieve high-performance and low-cost transactions?","a":"Proof of History (PoH):  Solana adopts a timestamp mechanism that reduces dependence on time synchronization by serializing blockchain events in time, thereby improving system performance."}]}],"pr":"2d6fb54ab4ed4a6482e22d7de9793d99dbc39d1172930a7ce52693ad36252f45"}