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

learn more… | top users | synonyms

0
votes
1answer
36 views

Why are non-final transactions considered non-standard?

In IsStandardTx within main.cpp, there is a comment: // Treat non-final transactions as non-standard to prevent a specific type // of double-spend attack, as well as DoS attacks. (if the transaction ...
2
votes
2answers
43 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
104 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
87 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
137 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
182 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 ...