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Avalanche Attack on Proof-of-Stake GHOST
Authors: Joachim Neu, Ertem Nusret Tas, David Tse Special thanks to Danny Ryan and Aditya Asgaonkar for feedback and discussions. This attack was subsequently published in: "Two More Attacks on...
View ArticleAvalanche Attack on Proof-of-Stake GHOST
Some time ago, when ETH foundation requested security vulnerability comments to ETH2 specification, I submitted several security bugs, all of them were successfully ignored. One of them was about...
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Avalanche Attack on Proof-of-Stake GHOST
kladkogex: which could make any attack even more dangerous, including the one described above. It’s important to note that the theoretical attack in this post hinges upon counting equivocations which...
View ArticleAvalanche Attack on Proof-of-Stake GHOST
I am a bit confused about the description about this attack. I thought there is only one proposer per slot. So should the 2nd honest block (green block with number 2) actually be a block at slot 7 in...
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