{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Who proposed Polkadot?","a":"Polkadot was proposed by Gavin Wood (Gavin Wood). Gavin Wood is a renowned blockchain technology expert, and he is one of the co-founders of Ethereum and served as its technical director. In 2015, he left the Ethereum project and started working on creating Polkadot. Polkadot is a multi-chain technology platform designed to enable interoperability  between different blockchains and promote the development of distributed applications."}]}],"pr":"200b10eb273641ea02d0eac21706fff0e77a2199123f980312455f406b4e0334"}