Will the effect the BTC market?

[adamstgBit]

FUCK
This is bad. Real bad.  

Why? 5 blocks in a row and appearing fully legit.

False alarm. See the last post in that thread.

puh.. thanks.

still this raises the question how they got around to relaying this many blocks. By chance alone that means they are up to something.

link to what your talking about?

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[ElectricMucus]

well no link but how it looks it's like they have a _very_ good connection to the bitcoin network. By network latency alone that is unlikely that they relay that much in that amount of time, there are probably some way to archive this result if you have multiple hosts, and some good connection on everyone. But I can't explain what exactly.

[notme]

My guess is they are establishing a huge degree of connectivity (likely connecting to every node) and only passing out the nodes they control when outside nodes ask for peers.  They are the first to be notified of the blocks and then broadcast them out to every other node.

As a side note, they could also attack a particular node by sending a transaction to them and simultaneously sending a double spend transaction to everyone else.  That's likely what they are referring to in the article.

As for their solution, I couldn't find any info, but I'll think about it.

[Spekulatius]

the guy who did it said in his thread, that he actually only "relayed" those blocks from some of his 5000! connected nodes but didnt actually mine any.