{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the different types of blockchain?","a":"Public Blockchain (Public Blockchain): These blockchains have high levels of decentralization, openness, and transparency. Anyone can join the network, verify transactions, and create new blocks. Representative projects of public blockchains include  Bitcoin, Ethereum, Solana, Gnosis, and Flow. Public blockchains provide an open and transparent environment for transactions, but also face issues such as scalability, transaction speed, and cost."}]}],"pr":"8597f3a7d369f5556f7d7eaa3c3ca876dac699542f2e391987dce09700f13d46"}