Re: [Bitcoin-development] Defeating the block withholding attack

2012-06-03 Thread Luke-Jr
On Monday, June 04, 2012 1:43:42 AM Peter Vessenes wrote: > Does it have asymmetric payoff for an attacker, that is, over time does it > pay them more to spend their hashes attacking than just mining? That depends on the pool's reward scheme. Some complicated forms are capable of getting "bonus"

Re: [Bitcoin-development] Defeating the block withholding attack

2012-06-03 Thread Peter Vessenes
On Sat, Jun 2, 2012 at 8:52 PM, Luke-Jr wrote: > Analysis, comments, constructive criticism, etc welcome for the following: > > ==Background== > At present, an attacker can harm a pool by intentionally NOT submitting > shares > that are also valid blocks. All pools are vulnerable to this attack,

Re: [Bitcoin-development] Full Clients in the future - Blockchain management

2012-06-03 Thread Mike Hearn
Yeah, for actually storing transactions the approach Satoshi uses of relying on a database engine makes sense and is what the code already does, so I'm not sure why this is a problem. The real problem with Satoshis code for scaling down to smaller devices (and one day desktops too) is the need to