{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you price the expensive execution fees of smart contracts in a blockchain?","a":"In blockchain, the pricing of smart contract execution fees varies due  to factors such as network congestion, transaction volume, and market supply and demand. Typically, blockchain platforms use a mechanism called"}]}],"pr":"30550e052aeb1efdf593acf08b1824ae3f58a87c20bb01f642f8bb5657073405"}