On 12/19/15, jl2012 <[email protected]> wrote: > Chris Priest via bitcoin-dev 於 2015-12-19 22:34 寫到: >> Block witholding attacks are only possible if you have a majority of >> hashpower. If you only have 20% hashpower, you can't do this attack. >> Currently, this attack is only a theoretical attack, as the ones with >> all the hashpower today are not engaging in this behavior. Even if >> someone who had a lot of hashpower decided to pull off this attack, >> they wouldn't be able to disrupt much. Once that time comes, then I >> think this problem should be solved, until then it should be a low >> priority. There are more important things to work on in the meantime. >> > > This is not true. For a pool with 5% total hash rate, an attacker only > needs 0.5% of hash rate to sabotage 10% of their income. It's already > enough to kill the pool > >
This begs the question: If this is such a devastating attack, then why hasn't this attack brought down every pool in existence? As far as I'm aware, there are many pools in operation despite this possibility. _______________________________________________ bitcoin-dev mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
