{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the data security of the blockchain ensured?","a":"Encryption algorithm: Blockchain uses encryption algorithms (such as SHA-256) to encrypt and validate data. Each block contains the hash value of the previous block, forming an  unchangeable chain of blocks."}]}],"pr":"834521753db3a1ef9a69fb6a955d1bc675a92145ae70f2297d42b91b1e4cda97"}