{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve the problem of data tampering?","a":"Decentralization: Blockchain adopts a decentralized network architecture, where all nodes are equal and share complete copies of  the ledger. This means that any data modification needs to be consensused by all nodes, ensuring that no one can tamper with the data in the blockchain alone."}]}],"pr":"2663d6c149eae09cab2495009ab5ac2f3bd77a790d8baa66b3b778336f249745"}