{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the differences between cold wallets and hot wallets in blockchain?","a":"Use cases: Cold wallets are suitable for long-term storage and custody of encrypted assets, and can be seen as  a digital asset safe. Hot wallets are suitable for daily transactions and payments because they can send and receive cryptocurrencies in real-time online."}]}],"pr":"361209af41cc8364ab4d730954451df6e3bc08c2623a42beeae4ac3452156815"}