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I wonder if you could make the attacker crunch out some shah-256 and you can profit by mining Bitcoin.
by HashBasher 8y ago
I wonder if you could make the attacker crunch out some shah-256 and you can profit by mining Bitcoin.
- Jach 8y agoNot bitcoin but forcing a proof-of-work scheme has been proposed as an anti-DoS measure before: http://www.csc.kth.se/utbildning/kth/kurser/DD143X/dkand12/Group5Mikael/final/Jonatan_Landsberg_and_Anton_Lundqvist.pdf http://www.csc.kth.se/utbildning/kth/kurser/DD143X/dkand12/G...
- simias 8y agoThe original hashcash algorithm was meant to quench email spam which is not completely unrelated. But in this case I think the parent was proposing tricking the attacker into computing a PoW without realizing it, which sounds pretty tricky.
- koolba 8y agoJust need a protocol that allows for server initiated key renegotiation with PBKDF. Then you trick the client into repeatedly calculating some new key.
- SamPatt 8y agoYou can no longer profit mining Bitcoin with a CPU or GPU. ASICs are needed.
- ufmace 8y agoThe idea of this sort of scheme is that it's perfectly profitable if you aren't paying for the CPU and the power it uses.