{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain address the issue of data availability?","a":"Immutable Ledger: Once data is recorded  on the blockchain, it cannot be altered or deleted. This immutable ledger provides a reliable"}]}],"pr":"67b25358324ea9bdca05d4a59827294fbf12bebad90febddd0cd8007998426af"}