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1001  Bitcoin / Hardware / Re: [ANN] Spondoolies-Tech - carrier grade, data center ready mining rigs on: January 25, 2015, 06:37:50 PM
Hi Guy
So i want to buy Genesis-mining , but you have to sign up a contract before you see Information.
What is that?
How can you recommend such a Company?

i looked at the contract and wasn't terribly impressed.
its a lifetime contract with a $/GH/day fixed maintenance cost (The math worked out to something like $60/TH/month (or about $120/kW/month assuming the hardware is SP3X series)

Quote
"2. Remuneration
As a consideration for the Services the Customer agrees to pay to the Service Provider an amount of (the "Fee"): 
a. 0.449 USD per GH/s upfront
b. USD 0.0019 per GH/s and day, deducted on a daily basis* from the generated Coins
4. Term
This Agreement is entered into for the term indicated above.
The Service Provider may terminate this Agreement with immediate effect if the Coins generated in the preceding 20 days do not suffice to pay the Fee under 2.b above."

ie: once the fees>daily revenue, the contract is almost over, with a 20-day maximum period for daily loss before the agreement is terminated

Not terribly impressive considering that $449/TH is the approximate pricing of the SP3X series, in which case the hosting costs are about equal to $0.17/kwh. I personally have colocation elsewhere thats <$0.13/kwh and the hardware is actually owned by me.
1002  Bitcoin / Hardware / Re: Antminer S5 possible wireless and cooling tweak on: January 25, 2015, 06:28:25 PM
The 3000 rpm Noctua fan is actually pretty noisy, I've got two S5's with it on them.  Don't know why but it runs at 2700 rpm on one and 1800 rpm on the other at the same temps.  Mine are the 140mm with adapters which move even more air.


I know they are noisy but from what I have seen it makes a noticeable difference with the stock fan, am I right?


I TESTED them I would not use  them.  But I don't know what it is you are looking to do with your gear.  How quiet do you want? How much hash do you want?


My idea is to get around the 1000-1100 stated GH and being able to leave it in a closed room without hearing it from the outside.

a closed room? that could create problems if the room heats up overtime because theres no way to exhaust the heat being produced.
1003  Economy / Auctions / Re: Block Erupter Prisma2.0 Auction: Round One on: January 25, 2015, 06:26:50 PM
My first thought was some oversea big players with some cheap to free power. Still high bid was really around .2btc off the prisma price back in October. Huh The SP15 15pack wins hands down at that price and considering we are bidding with a minimum of 20 that's really the best comparison to use.

I might as well publicly declare it here: I'm building a .5MW farm, and these would be a nice way to get a head start on more machines. The title thread has the words 'Round One' so maybe we will see this kind of auction again. I enjoyed it for what its worth.



yeah the 15x SP20 is really the best comparison against 20x Prisma

 25TH/19kW/22.5BTC          vs      28TH/23kW/22BTC (according to the 1.1BTC/ea bid by coinchina)

a difference of 3TH/4kW/-0.5BTC  for equipment that is larger, cant underclock, and has an external ethernet controller. I dont understand whay the bid would be so high.
1004  Economy / Auctions / Re: Block Erupter Prisma2.0 Auction: Round One on: January 25, 2015, 05:45:06 PM
looking back at the bid the only "legitimate" ones i see are:

22 @ 0.43
1176 posts, legendary member

20@54
its cool how todays registered accounts are bumping the price ;]
252 posts, Sr. member

20 @ 0.42
118 posts, member (Ive dealt with him and he is legit)

60 @ .52 YUUUUUUUP!!!
67 posts, member

and some bids by nangong up to 0.8/ea


Most of the bids are by users with <10 posts, and pkuphy registered today, bid over 1.0btc/prisma (which as i mentioned is ludicrous since you get get 1.5x the hashrate out of the SP20 with an order as small as 3 units and they are far more reliable - and a 15pack is even 10% cheaper)

Im interested to know how a brand new forum account will have access to 40BTC, but i guess that's phasebirds problem now. this auction was a shame - I have my doubts that the winners plan to pay
1005  Economy / Auctions / Re: Block Erupter Prisma2.0 Auction: Round One on: January 25, 2015, 05:34:20 PM
Block Erupter Prisma2.0 Auction: Round One
Final result:
ID   :coinchinanet
NUM  :160
PRICE:1.1 BTC
TATAL:176 BTC

ID   :pkuphy
NUM  :40
PRICE:1   BTC
TATAL:40  BTC

both those users are <10 posts and its really suspicious.

seriously, I was planning to bid but my absolute highest bid was going to be about 0.5BTC per unit considering the past technical dificulties and ~0.8w/gh efficiency. in comparison, the SP20 has better efficiency even at 1.5x the hashrate, and is only ~1.5btc/each

this strikes me as shady
1006  Bitcoin / Hardware / Re: ANTMINER S5: 1155GH(+OverClock Potential), In Stock $0.25/GH & 0.51W/GH on: January 25, 2015, 01:37:52 AM
bitmain again increased the price of S5.

maybe they should price them in BTC if thay want to track BTC price ?

They are digging the grave, only to yourself. Today the cost of 3 x S5 with shipping to me was 4 BTC 945.448 USD
Now it is  4.225 BTC  ( 1038.448 USD )  +20% VAT =1246 USD

Better I buy  3 x SP20 for 1195 USD and I ask  the bill for  customs  600USD . Yes,   I  Pay 100 USD  more, But for  the miner, what  not need to rebuild.  And having a closed housing , not a  open fireplace.


+1. purchased a trio of SP20 today. Ive had both it and the S5, and my thoughts for what was better:
S5: 0.5w/gh, even up to 1.3TH+ , LOUD fan with no ability to adjust pwm settings. Getting the fan to run at 7V reasonably cools the unit at 375MHz in a 20C room.
SP20: far better design, cables are all on the front face, little less efficient at 1.2-1.3TH, but capable of ~0.45w/gh when underclocked below 1TH. can overclock if an increase in BTC value makes the added electrical draw worthwhile. Can set the fan to any speed

The SP20 is a better product, capable of similar specs at 1.25TH as the S5, and manually turning the clock to 10-15% is sufficient at that hashrate with similar volume to a 7v antminer fan. The antminer has to compete in price to stay relevant.
1007  Economy / Auctions / Re: Block Erupter Prisma2.0 Auction: Round One on: January 24, 2015, 05:29:39 PM
anyone in the Toronto, Ontario area want to split an order?
1008  Bitcoin / Mining / Re: What will happen after all Bitcoin blocks have been found? on: January 24, 2015, 04:29:33 PM

right now the block reward is 25BTC, and each block contains about 0.1-0.2BTC of transaction fees on average.
In 6 years from now the reward will be 6.25BTC, and its likely transaction fees will be about 0.6BTC/block
another 8 years later the block reward will be at 1.6125 BTC, and each block will likely have 1BTC of transaction fees

I expect the transaction fees>block reward before 2040

oh! wow! well! means the confirmation will be quite alot more slow though the mining will continue
Thanks

confirmation time wont change, there will always be a block every 10min (on average). Its likely that block size (in MB) will scale up with time and demand to allow even low-fee transactions to be included in the current/next block. The 1MB limit right now has no real reason why it cant scale up to 1GB or more in the next decade or two as long as storage and bandwidth capabilities continue to increase for the average bitcoin node computer.

ammmm.. kinda confused here
sometimes when i receive or send btc from blockchain.info , a single confirmation(double spend) takes as long as 30 minutes sometimes
that should not happen right ? since , the average time is 10 minutes

average is he key word. sometimes a block is solved within a minute, other times it can take hours. The average is always about 10min, and probably 50% of blocks are found within 5-15min
1009  Bitcoin / Mining / Re: What will happen after all Bitcoin blocks have been found? on: January 23, 2015, 07:52:33 PM

right now the block reward is 25BTC, and each block contains about 0.1-0.2BTC of transaction fees on average.
In 6 years from now the reward will be 6.25BTC, and its likely transaction fees will be about 0.6BTC/block
another 8 years later the block reward will be at 1.6125 BTC, and each block will likely have 1BTC of transaction fees

I expect the transaction fees>block reward before 2040

oh! wow! well! means the confirmation will be quite alot more slow though the mining will continue
Thanks

confirmation time wont change, there will always be a block every 10min (on average). Its likely that block size (in MB) will scale up with time and demand to allow even low-fee transactions to be included in the current/next block. The 1MB limit right now has no real reason why it cant scale up to 1GB or more in the next decade or two as long as storage and bandwidth capabilities continue to increase for the average bitcoin node computer.
1010  Bitcoin / Mining speculation / Re: Jan 12th to Approx Jan 27th diff thread (3.5%) on: January 23, 2015, 05:03:12 PM
lol you guys keep making fools of yourself by calling difficulty every time dont you?

I swear i can make better prediction by just flipping a coin.

3.5%  vs -2.5%  .....so close.

Some one should do a study to verify there is a correlation between trust level and rude, inflammatory, adolescent forum member posts.

im pretty sure there is a STRONG correlation between "trust<1" and "ignore button use"

looks like block times are sliding a bit, possibly people realizing that the price isnt going back to $300 very soon. if it keeps up for another 2-3 days we'll see something close to -3.8% (which is good in my books - ill mine and hold some coins for the eventual price spike (a 1-yr bear market is pretty extraordinary for bitcoin, but i doubt it can drag on for another year without going bust or shooting past $600 when regulations become clearer
1011  Bitcoin / Mining / Re: What will happen after all Bitcoin blocks have been found? on: January 23, 2015, 04:56:36 PM
The term "all blocks will be found" is not correct. Block finding (i.e. mining) will continue forever.
Just in 2140 all block rewards will be distributed. Miners will continue mining (hopefully) just because
of the fees. I'm sure there's a good introductory exposition somewhere on this forum to be found..

what do you mean by "Fees" , what fees exactly ? :/

https://en.bitcoin.it/wiki/Transaction_fees

right now the block reward is 25BTC, and each block contains about 0.1-0.2BTC of transaction fees on average.
In 6 years from now the reward will be 6.25BTC, and its likely transaction fees will be about 0.6BTC/block
another 8 years later the block reward will be at 1.6125 BTC, and each block will likely have 1BTC of transaction fees

I expect the transaction fees>block reward before 2040
1012  Bitcoin / Mining speculation / Re: Jan 12th to Approx Jan 27th diff thread (3.5%) on: January 21, 2015, 03:48:08 PM
things are slowly shaping up for about -3.5% change i think.

seems like a lot of miners are still running, even if its at a loss. I thought the price staying at <210 would shake out a lot of the equipment that pays >0.15/kwh. The fact that even an SP3X at 0.5w/gh is losing money in parts of europe (>0.25/kwh) hurts my brain
1013  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: January 21, 2015, 03:44:12 PM
I stay with my opinion.
I thought it wasn't an opinion, they were facts that you and your lawyer were going to use in your clear-cut case?
he spoke with his lawyer {this? last?} wednesday. his facts are strong and he will go to court to get compensation of his 50 shares
1014  Bitcoin / Mining speculation / Re: Bitmain! Will u release the newer version of the S4 with the new chips? S6 maybe on: January 21, 2015, 03:37:04 PM
it likely wont be for a few months. The S4 achoieves 0.5w/gh, so an S6 would only serve to create a higher density.

most likely they will use the S5+ boards which will use more chips/chain to achieve slightly higher hadshrates at 0.35-0.4w/gh.
1015  Bitcoin / Hardware / Re: ANTMINER S5: 1155GH(+OverClock Potential), In Stock $0.25/GH & 0.51W/GH on: January 21, 2015, 03:35:08 PM
anyone have coupons they want to give away to "lukebarrie"? for higher-value ones i would be willing to give a small thank you of 0.001-0.003BTC each (looking for about 5 coupons)
1016  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: January 21, 2015, 05:50:07 AM
Not only for me.

Have agreed to share in compensation.

http://www.kplu.org/post/central-wash-home-nations-biggest-bitcoin-mine-more-coming

"I consider it absolutely high-risk investment," he said. "And like high-risk investment should be, it has been high reward. I'm talking about tens of millions of dollars of return on a few million dollars of investment."

You seem to be confusing a 100TH (500TH) cloudmining ofering from MBP as being a share in MBP itself. thats not the case.

1 100TH share = 1GH. it does not include any portion of the PETAhashes of equipment that is owner or franchised by MBP.
1017  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: January 20, 2015, 03:48:15 PM
Dave is the most co-responsible for the delay 100th, his company sold equipment produced for the mine. I have enough evidence to convince the court.
On Wednesday I spoke to the lawyers.
You see you do not have any arguments. Such texts do not win in court.
You're trying to just scare.
I wonder whether the same will be brave in the courtroom.
Wednesday less and less time..

your poor use of grammar is confusing me - did you speak with a lawyer LAST wednesday, or are you counting down the days until you speak to one THIS wednesday?

You've given me no evidence or reason to side with your argument, and at this point it seems like it boils down to "wait until i tell my mommy/lawyer tomorrow! im taking you to court and im not scared!"
1018  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: January 20, 2015, 03:44:11 PM
You obviously do not understand the meaning of the word "fact"Wink

And what are the facts?

That's why in this case was the issue Cointerra on Picostocks?
As if you did not try to explain it any "version" does not explain the issue, as it perfectly explains the acquisition 28nm technology. For the 100th shareholders' money.
This is confirmed by Leszek entry in this topic in which he writes that looks ready 28nm technology in order to acquire it.
Is my investment decision was bad? I bought shares when it was not yet announced the delay and mine was to be launched in July 2013.
Global hashrate then was 223.746 GH / s, which is an additional 100,000 GH / s constitute 44% of the Global Hashrate. Mining with Global Hashrate 518.000 was finally launched on 15 December 2013. At that time the Global Hashrate was already 6,502,229 GH / s, of which 44% after deduction would be 2,633,060 Hashrate 100th GH / s. And that should be the finally power of the 100th, does not have any 518.000 GH / s.
Most plunges Picostocks management and sale of shares of MBP 0.30 BTC at the time when they knew that they would delay the project (insiding trader) and sale of equipment designed initially for 100th in the market, which resulted in delays


And more...

im starting to think you are thick - you keep bouncing from MBP to dave to lezsec to cointerra to picostocks. your class-action against this cluster of companies will be laughed out of any law office (unless you are paying them, in which case theyll happily listen to you rant for $100/hr)

1) cointerra is on picostocks. MBP does not operate picostocks. MBP is not cointerra.
2) why would bitfury buy 28nm hardware from conterra when the bitfury 55nm design is better than the cointerra 55nm design?

you say you bought shares prior to July 2013 - if you look at your calander its now Janruary 2015, about 18mos later. The fact that now is when you decide to make a fuss is just moronic because as i said earlier, the 100TH shares are now worth less than 1% of thier initial value.

stop crying about this because your argument is a joke. unless you can clearly state in paragraph (or point) form what you think is owed to you and why - I'm out of here. at this point you're begging for scraps. what's your claim for? $500?
1019  Economy / Computer hardware / Re: 24" PCI-E cables with 16AWG wires and 6" 18awg splitters - great for server PSU on: January 20, 2015, 03:33:50 PM
Do want these, just ordered some cheap ebay ones. but these, oh so pretty!

be careful with ebay - often times stuff on there is made with 18awg wire, or even thinner than that wire. The reason  started making thse custom cables was because an EPS8pin -> PCIe 6pin (with corrected polarity and wiring) caught fire within 2 minutes of experiencing ~150w load. after the fire was out, it was obvious the wiring was thin, likely 20awg, and the 18awg markings on the wire were false.

the 16awg and 18awg wiring i use for these cables is high quality, and weighs a lot. Each 24" lead is about 62g in weight due to the thick 16awg core
1020  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: January 19, 2015, 04:45:33 PM
Really you can not think of anything more intelligent?
I did not say anything here about technical issues only deceiving investors.
Deliberate deceiving. And for that Dave can not only pay but sent to prison. He deserves this as well and for Tom.

No investors were deceived.

Dave only hosted 100TH and he did a good job of it; he didn't have anything else to do with the project.

Stop blaming other people for BTC's rise in difficulty and drop in price.

I know you won't listen to this, so go ahead and make a fool of yourself.  Give the lawyers all you money and see what happens.

Don't worry, I will be here to remind you of this warning.   Wink

Want to bet on whether Dave or Tom are "sent to prison?"

No, you don't?  OK, I didn't think so.   Grin

+1 to icebreaker on this issue. The 100TH mine has operated and acted very reasonably since conception, and is part of the short list of IPO projects that actually achieved their goals (about 80% of IPOs failed within the first 3-6 months). The amount of fuss you are raising over a 500TH mine is simply absurd, now that hashrate is FAR FAR cheaper and more efficient than when the 100TH+400TH of the mine was put into action.

seriously, the 500TH of bitfury 55nm at 1w/gh is worth about $80,000-100,000 right now at street value. as a bulk value, its probably worth about $50,000. Thats something like 1% of its initial value over a year ago, and I can guarentee you any lawyering-up that you do will probably cost $10,000+
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