{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the preparatory steps required before performing version verification on a blockchain?","a":"Choose an appropriate blockchain platform: According to project requirements, select a suitable blockchain platform, such as Bitcoin, Ethereum, Hyperledger,  etc. The version verification methods and technical details may vary between different platforms."}]}],"pr":"837c32bd501173b37126f02cb00574f284e0605e01665a6b4eaea0f6eadf52ec"}