refers to questions about Distributed Denial of Service attacks on crypto-currency networks or services.

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1
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2answers
24 views

How does bitcoin prevent this network splitting attack?

How are malicious nodes prevented from, after getting the nonce of a new block found by someone else, broadcast it to the other nodes claiming it to be its? Also, how does the bitcoin system solve ...
3
votes
2answers
61 views

Is bitcoin vulnerable to a DOS/spam attack?

What happens if someone maliciously decides to make squillions of transactions on the Bitcoin network? I see there being two vulnerabilities. Firstly - computation resources used, though this ...
0
votes
2answers
129 views

How did Ripple handle DoS/DDoS during the ripplescam.com days?

I'm going to assume that during the days where Ripple was irrationally hated by some sub-population, a la the ripplescam.com site which used to be the first result on Google for "ripple coin" until ...
6
votes
1answer
103 views

Have network DDoS attacks ever been successful on any coin?

Has a cryptocurrency network ever been fully DDoSed so that the blockchain did not advance during the attack? If so, which one and how?
5
votes
2answers
146 views

How did transaction malleability/DDOS attacks allow an exchange's internal accounting system to get “out of sync”?

This Coindesk article says that: “So as transactions are being created, malformed/parallel transactions are also being created so as to create a fog of confusion over the entire network, which ...
9
votes
3answers
2k views

Why do pools get so often DDoS attacked?

In other words: who has incentives for attacking pools? Do you think it's the government?
1
vote
1answer
186 views

DDOS Safety Electrum?

How hard would it be to successfully attack (all) the Electrum backend servers? I think there is about a handful of them. I would consider an attack successful that stops Electrum from working for a ...