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Advertise with us Bitcoin Mining Calculator and Profitability Calculator Bitcoin Mining Calculator is used to calculate mining profitability for Bitcoin mining.Enter your Bitcoin mining hardware hash rate in GH/s along with the power wattage and your cost of electricity - dollars per kilowatt hour ($/kWh).The current Bitcoin difficulty, Bitcoin block reward, and Bitcoin price will be entered automatically.Hash Rate (GH/s): Power (Watts): Power Cost ($/kWh): Pool Fees %: Bitcoin Difficulty: Block Reward: Bitcoin to Dollar (USD): Hardware Costs (USD): Calculate Bitcoin to USD 1 Bitcoin equals Current Bitcoin Price Buy & Sell Bitcoins at Coinbase Receive $10 in Bitcoin *For New Coinbase Accounts Bitcoin Mining Calculator Summary Days to generate one block mining solo: 3739.82 Day(s) Days to generate one BTC: 299.19 Day(s) N/A Estimated Expected Bitcoin Earnings The estimated expected Bitcoin earnings are based on a statistical calculation using the values entered and do not account for difficulty and exchange rate fluctuations, stale/reject/orphan rates, and a pool's efficiency.

If you are mining using a pool, the estimated expected Bitcoin earnings can vary greatly depending on the pool's efficiency, stale/reject/orphan rate, and fees.If you are mining solo, the estimated expected Bitcoin earnings can vary greatly depending on your luck and stale/reject/orphan rate.Time Frame BTC Coins USD Power Cost Pool Fees Profit Hourly 0.00013927 $0.38 $0.26 $0.00 Daily 0.00334241 $9.09 $6.24 $0.00 Weekly 0.02339687 $63.65 $43.68 $0.00 Monthly 0.10027231 $272.80 $187.20 $0.00 Annually 1.21997980 $3,319.09 $2,277.60 $0.00 Bitcoin to USD Chart Loading chart data... Bitcoin Difficulty Chart Loading chart data...
bitcoin difficulty change historyThis morning GHash.IO, a popular bitcoin mining pool, announced in a statement that in the future it will “not exceed more than 39.99% of the overall Bitcoin hashrate.” Earlier this year, GHash crested the 50% hashrate mark, sparking fears inside the bitcoin community regarding the so-called ‘51% problem.’ The issue isn’t too hard to understand: If any one entity supplies more than half of the computing power that is used to mine new bitcoin, it has the ability to misbehave.
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In short, if any mining entity has 51% control of the compute input that runs bitcoin, it could block transactions, double spend, and more.Following GHash’s 51% moment, worry reverberated throughout the bitcoin community that some sort of rubicon had been crossed.GHash’s compute share declined in the aftermath, and currently rests at 31%.GHash has promised to never launch a 51% attack.As CoinDesk reported previously, and the group confirmed in an email to TechCrunch, GHash held a roundtable with other bitcoin constituents in the wake of the scare.
best litecoin brokerAccording to a GHash spokesperson, the 39.99% ceiling level was proposed at the roundtable, and was accepted by the pool’s management.
ethereum windows clientIts new commitment to not reach the 40% mark — provided it meets its promise — would keep GHash comfortably far from the 51% level.
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GHash, and its related exchange, CEX.IO, ask other mining pools to follow its example in their statement.Merely committing to not cresting the 51% mark isn’t a long-term safeguard, however.To that end, GHash is “initiating a committee” to seek a more permanent fix.The new commission will set out to solve the 51% problem technologically.Some have advocated that bitcoin itself be ‘hard forked,’ though a less extreme might be found.Critics of GHash have pointed out that meetings of mining groups to discuss decentralization aren’t new.
bitcoin ticker windows 7GHash, in their view, is somewhat late to the idea.
bitcoin armory torWhy would GHash be willing to limit its size, and spend its time to hopefully patch the flaws in bitcoin?
litecoin 2014 chartSimply that if the threat of a 51% attack persists, it’s bad for all bitcoin participants.
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Who wants to invest into a currency and platform that has such an obvious and actionable security issue?GHash will release a “policy document” that will also detail how the committee will be financed in a few weeks.Provided that the mining pool can get enough buy-in from other bitcoin players, progress could occur.When the committee is formed, and provided that it can in fact improve bitcoin’s foundations, we’ll bring you more.Bitcoin is currently trading just over the $610 mark.Bitcoin pool GHash.io announced on Wednesday that “it is not aiming to overcome 39.99 [percent] of the overall Bitcoin hashrate."This marks a clear departure from the large pool’s recent flirtations with 51 percent.If that threshold is crossed for sustained periods of time, it concentrates power in ways that Bitcoin’s decentralized design normally does not allow.“If GHash.io approaches the respective border, it will be actively asking miners to take their hardware away from GHash.io and mine on other pools,” the statement continues.

“GHash.io will encourage other mining pools to write similar voluntary statements from their sides.” Cornell professor Emin Gün Sirer, named as an attendee of this meeting, confirmed the document’s authenticity.As Ars reported previously, once one entity achieves this simple majority, it has powers that circumvent Bitcoin’s normal decentralization.And decentralization is often held up as a salient advantage Bitcoin has over traditional currencies.These 51 percenters, for instance, have the ability to spend the same coins twice, reject competing miners' transactions, or extort higher fees from people with large holdings.Even worse, a malicious player with a majority holding could wage a denial-of-service attack against the entire Bitcoin network.The new document is dated July 9, and it appears to be a short summary of a “round table” meeting that GHash.io and its corporate parent, CEX.io, held in London prior to the CoinSummit conference earlier this month.Previously, CEX.io CIO Jeffrey Smith told Ars, “We never have and never will participate in any 51 [percent] attack or double spend against Bitcoin.” He did not immediately respond to Ars’ request for comment about this new 40 percent limit.