All Questions
Tagged with attacks blockchain
5 questions
6
votes
0
answers
239
views
Kademlia: How does Ethereum uses node discovery protocol to avoid sybil/eclipse attacks?
I want to describe a case that's not clear to me. let's say we have 10 peer validator nodes who reach consensus and agree to store some blocks on their chain. Let's say now that a wallet wants to sync ...
1
vote
1
answer
40
views
What's stopping me from attacking the network by renting 51% of the stake for a few blocks?
The Ethereum market cap today is about $200bn. Theoretically, buying 51% of it would cost a stunning $100bn. Good luck getting that money hahah.
However, I could ideally rent 51% of the staked eth for ...
- 269
0
votes
1
answer
52
views
When we say that a 51% control of total computation power could lead to a successful Sybil attack, do we refer to miners or nodes?
As per my understanding of the blockchain so far (Bitcoin and Ethereum) nodes and miners have different jobs to do in a blockchain network. Although the terms are extensively used interchangeably, ...
2
votes
0
answers
220
views
Who created this alt-Ropsten blockchain and why?
I usually test on Rinkeby, but this week I have to test some mining stuff, so I tried to get synced up with Ropsten. Unfortunately, after 3 days of trying, I still haven't had any success. The main ...
- 197
5
votes
1
answer
142
views
Plasma.io: What if someone is offline during a mass withdrawal?
I'm reading the Plasma paper published a couple months ago, and on page 27, they talk about "Adversarial Mass Withdrawals" in the event of block withholding.
My question is, what if someone is ...
- 221