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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Nature, Published online: 25 February 2026; doi:10.1038/s41586-025-10064-4
2026-02-27 00:00:00:03014252310http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142523.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142523.html11921 本版责编：李 拯 邹 翔 常 晋
（四）围攻裁判员、运动员或者其他工作人员的；