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public
dankal-training
Commits
624554e5
Commit
624554e5
authored
Dec 23, 2023
by
蔡润涛
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Merge remote-tracking branch 'origin/main'
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1df72d2d
ddfdbe69
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区块链入门.md
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区块链入门.md
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624554e5
# 区块链
入门
# 区块链
入门
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@@ -32,7 +32,7 @@ PoW的工作原理基于以下两个重要概念:
2.
最长链原则:在PoW中,如果存在多个不同的区块链分支,网络将选择最长的链作为主链。这是因为生成更长链条所需的工作量更大,因此被认为是网络中最有保障和可信的链。
![
cross-branch
](
./imgs/
/
cross_branch.png
)
![
cross-branch
](
./imgs/cross_branch.png
)
尽管PoW已经成功应用于比特币等区块链系统,并解决了安全性和共识问题,但它也面临一些挑战,例如高能耗、低效率以及可能出现的51%攻击等。为了克服这些问题,其他共识机制如权益证明(Proof of Stake)等也被提出并广泛研究。
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