{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how can I obtain the block hash using a healthy RPC node?","a":"Choose a reliable RPC  node provider: Ensure that the selected RPC node provider has good connection speed, normal uptime, and stable performance, which will help ensure that you can efficiently and securely obtain block hashes."}]}],"pr":"cd86911e22c261c7d3c4318be6b75b45008a9eb9b23d18a79ff78c5dbc1c93fe"}