Questions tagged [eclipse-attack]
The eclipse-attack tag has no usage guidance.
11 questions
0
votes
2
answers
140
views
Attack the network by having 51% of full nodes?
Tell me if I'm missing something here:
If a government recognised that an adversery of theirs had a lot of bitcoin reserves, couldn't they just 'crash' the bitcoin network by spinning up enough full ...
- 11
10
votes
3
answers
6k
views
Why is connecting bitcoin exclusively over Tor considered bad practice?
I've heard that a bitcoin node with only Tor connections is "trivial" to eclipse attack and that such nodes should maintain at least one (or more?) clearnet connections in addition. What is ...
- 5,184
0
votes
1
answer
76
views
Collisions when adding an address entry to the new table
What does the bitcoin protocol do to handle collisions when adding addresses to the new table?
- 125
0
votes
2
answers
76
views
Could a government or company run thousands of unique nodes?
Let’s say you’re a tech giant or control a tech giant.
So you have access to money, computers & thousands of unique ip addresses.
Could these giants spin up so many unique nodes that they could ...
- 181
8
votes
1
answer
3k
views
What is a block-relay-only connection? What is it used for?
Modern versions of bitcoin core establish a fixed number of outbound connections: 8 outbound-full-relay connections and 2 block-relay-only connections. What is the purpose of block-relay-only ...
- 405
6
votes
3
answers
639
views
What is a Feeler Connection? When is it used?
The bitcoin client hard codes a limit of 8 outbound connections and 2 block-only connections. Your node will try to always maintain these 10 outbound connections with reliable peers as a defense ...
- 405
2
votes
1
answer
159
views
What is the prior work or inspiration for the new/tried table design?
In Eclipse Attacks on Bitcoin’s Peer-to-Peer Network section 8 Related Work, the authors describe how some of the countermeasures to eclipse attacks were inspired by botnets. What inspired the design ...
- 405
2
votes
2
answers
131
views
What resources are needed to implement an Eclipse attack?
I have read this paper of Eclipse attack. And I want to konw that what resources are needed to implement an Eclipse attack? IP addresses and investing attack time are needed, and is there anything ...
- 21
2
votes
0
answers
108
views
Monitor domains used by DNS seeds in Bitcoin Core and Bitcoin Knots
Problem: DNS seeds and security
Solution: I want to create a website which does the following:
Check 'A' record for all domains used by 9 DNS seeds every 5 minutes
Save all IP addresses in local ...
user103136
2
votes
1
answer
265
views
How does Bitcoin currently mitigate Sybil and Eclipse attacks?
What countermeasures does Bitcoin currently have in place to limit Sybil attacks (ie of full nodes [not miners]) and eclipse attacks?
In particular, it seems like an important countermeasure would ...
- 1,658
13
votes
2
answers
5k
views
Eclipse attack vs. Sybil attack
I came across this paper Eclipse Attacks on Bitcoin’s Peer-to-Peer Network ∗ that sounds very similar to the Sybil attack.
Can someone point out the difference between both attacks.
- 131