{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can cross-chain technology in blockchain be applied to cross-chain transfers of digital assets?","a":"Centralized Gateway Model: In this model, cross-chain transactions are achieved by introducing a  centralized gateway. Users deposit digital assets into the gateway, and then extract the corresponding digital assets on another chain. The centralized gateway model can achieve higher transaction speed and convenience, but also exists trust issues and centralized risks."}]}],"pr":"fce293f366426099bb1c61c0649ab2515b1ea05e9accc67d98516bb7e177dd89"}