Bitcoin mining pool difficulty walking
Bitcoin's reward mechanism is based on publishing a solution to the block chain. The surprise longer answer, presented in this paper bitcoin mining pool difficulty walking the International Association for Cryptologic Research IACRis that bitcoin mining pool difficulty walking attacker could conceivably end up in the black. Yaron Velner Hebrew University of JerusalemBitcoin mining pool difficulty walking Teutsch University of Alabama at Birmingham and Loi Luu National University of Singapore write that the problem arises in the mining pools that now account for most Bitcoin computation as much as 95 per cent by some estimates.
That means a lot of outlay for a slim return. Block withholding has been typically regarded as a double-spending attack.
This paper, instead, is a manipulation of the value of Bitcoin held in pools. Each time a Bitcoin is bitcoin mining pool difficulty walking mined that is, someone's rig finds the next solutionthe math gets a little bit harder, and the next solution will take longer, or it'll need more computing power to find.
That's why Bitcoin mining is now conducted in data centres and dedicated servers, rather than at home on PCs. Only if, however, they can do it for a small outlay — and that's where this attack is different. Instead of doing bitcoin mining pool difficulty walking mining themselves, an attacker with a modest home-scale setup can disrupt pools.
When the withholder allocates his mining equipment for stale work, the effective hash power of the network is reduced. Minds Mastering Machines - Call for papers now open. The Register - Independent news and views for the tech community. Part of Situation Publishing. Join our daily or weekly newsletters, subscribe to a bitcoin mining pool difficulty walking section or set News alerts. The Register uses cookies.
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