{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does Solana in the blockchain ensure the security of smart contract code and data?","a":"Consensus mechanism: Solana adopts a consensus mechanism called PoSA  (Proof of Staked Authority) to maintain the security and stability of the network. PoSA combines the advantages of Delegated Proof of Stake (DPoS) and Practical Byzantine Fault Tolerance (PBFT) to achieve high-speed transaction processing and strong fault tolerance."}]}],"pr":"545a9af1a24afd6c29f12fefb21c691aac6c504c022cfb1c6883402d89c27110"}