{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is data secure transmission achieved in blockchain?","a":"Transaction validation: Each node in the blockchain network validates transactions before adding them to the ledger.  This process involves checking the cryptographic signatures"}]}],"pr":"298909227aebbedd8b161bdef086c3a86a2ed649303924884d8fb769355ede32"}