CVE-2018-17144

4 ms·

1.
by CVE-2018-17144 8y ago
Yeah. I'd rather you hadn't done that personally.
2.
by CVE-2018-17144 8y ago
> If some duplicate inputs would have been permitted without crashing nodes then the update appears to fit the definition of soft fork. If this were the case it would be a complete failure of the system, rather than a DoS.
3.
by CVE-2018-17144 8y ago
> Previously, blocks containing transactions with duplicate inputs would have been considered valid. Now, such a block will be rejected by patched nodes. No, they would have crashed the node, they would not have been accepted as valid. T
4.
by CVE-2018-17144 8y ago
> The cost of the attack would far exceed ~80k USD in bitcoin block rewards because it requires a substantial amount of hashing power to have a realistic chance of successfully producing a block that reaches consensus and is added to the
5.
by CVE-2018-17144 8y ago
I agree, essentially. It's actually fascinating how broken something can be and have multi million dollar a day trading volume. It shows a complete disconnect between what exists (the network), and what is being marketed (the product,
6.
by CVE-2018-17144 8y ago
You can walk the network and crash all nodes with listening sockets, this ruins pretty much everything. There's some non-public infrastructure that would perhaps make mining continue, but non-listening nodes can't exist without so
7.
by CVE-2018-17144 8y ago
The ethereum network has substantial issues stemming from very poorly defined consensus rules, which manage to grow in complexity every time you look away. The sheer scale of the consensus critical code makes it review resistant. I've
8.
by CVE-2018-17144 8y ago
> This article is wrong and plain ol' fearmongering. A coordinated denial of service on network nodes is theoretical at best, as it would require a series of further, orchestrated actions on the rest of the blocks to achieve it. Thi
9.
by CVE-2018-17144 8y ago
> Nobody would have lost any money or bitcoins. That's not entirely true. The current crop of Lightning Network nodes rely on their host being up for the safety of their channels. If their node is not contactable for more than 24 ho
10.
by CVE-2018-17144 8y ago
Bitcoin Core has, from day one, been a remarkably safe code base generally speaking. The protocol is free (or used to be) of any string manipulation or other behavior that often leads to code execution. Many major issue causing features wer
11.
by CVE-2018-17144 8y ago
> Do the blocks need to be mined twice? Or do you just have to submit a garbage block for the second one? No. One transaction included twice in a single block.