// 1. 建堆：从最后一个非叶子节点开始向上调整
How does blockchain work?Blockchain records digital information and distributes it across the network without changing it. The information is distributed among many users and stored in an immutable, permanent ledger that can't be changed or destroyed. That's why blockchain is also called "Distributed Ledger Technology" or DLT.
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Раскрыты подробности о договорных матчах в российском футболе18:01