{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how can the depth of recursive calls be limited?","a":"Set call threshold: In smart contracts, you can pre-set a maximum depth threshold for recursive calls. When the recursive call reaches this threshold, it will automatically terminate. This approach can effectively prevent infinite recursive calls from causing the entire blockchain  network to collapse."}]}],"pr":"f386802a7f8581d6e047fec1a855a661935eb0e64486ffce2582cb568c3f912f"}