2) What is Blockchain?A blockchain is a distributed digital ledger that allows for the secure storage of data. By recording any kind of information—such as bank account transactions, the ownership of Non-Fungible Tokens (NFTs), or Decentralized Finance (DeFi) smart contracts—in one place, and distributing it to many different computers, blockchains ensure that data can’t be manipulated without everyone in the system being aware.
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7月30日，骗子以“配合公安调查、进行视频签到”为由，让我妈妈购买了一部新手机——华为畅享80S。他们说：“这是专用机”，实际上，这台手机的唯一作用，就是让骗子更方便地远程控制她那部装有支付宝和手机银行的小米手机。