{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common types of digital currencies in blockchain?","a":"Proof of Stake (PoS): Currencies allocated or interest generated based on the amount and duration of holding cryptocurrencies, such as Dash (DASH) and  NEO (NEO)."}]}],"pr":"df872a8e4b89dbfc90d44094c5ff46fd5b87ba035ff83469422b990efd69bb4f"}