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yohan
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July 07, 2013, 11:16:52 AM |
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Nice.
BUT: only BTC as payment accepted ?
Uncool. Again only those already sitting on coins can buy. And doesn't help prevent scam-accusations.
Makes me sad. *cry*
Buy them in a exchange!!!! Not so good if you have a limited range/size of exchanges as we have in the UK. Probably adds a 10% loader to the cost base most of which goes to our favourite banks one way or another. Having a SEPA/bank transfer option would be good particularly if you are considering a large purchase. |
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Even in the event that an attacker gains more than 50% of the network's
computational power, only transactions sent by the attacker could be
reversed or double-spent. The network would not be destroyed.
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joris
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July 07, 2013, 12:09:24 PM |
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I have the intention of buying one starter kit now and buy more hasing cards in the future. I've found the following problems:
The VAT is not properly disccounted for my company. The checkout process say "You have entered an invalid VAT number (BXXXXXXXX) for your country." How do you check this field?.
The "extra-charges" of bitpay payment method. This is anti-bitcoin motif. I need to pay 1240€, that bitpay converts to 24,3032 BTC at an exchange of 51,02 €/BTC, but because I have € and not BTC at this moment, actually I need aprox. 54 € for 1 BTC at "bitcoin.de" market, thats aprox 6% charge, and I'm assuming the risks that €/BTC will go down between the time I start the transaction at the exchange market and when I will finally receive the btcs.
So, dear BitfuryStrikesBack people, why not accept SEPA transfers with all warranties for you and any inconvenience for us, the customers?.
Regards.
Check your own VAT number here and use your own VAT number twice or pick another known number: http://ec.europa.eu/taxation_customs/vies/?locale=enOf course it will be logged by the EU for any purpose which suits them. In NL we can also just call the tax department and check with them directly. |
;-)
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fmarcosh
Newbie
 Offline
Activity: 28
Merit: 0
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July 07, 2013, 12:14:07 PM |
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I have the intention of buying one starter kit now and buy more hasing cards in the future. I've found the following problems:
The VAT is not properly disccounted for my company. The checkout process say "You have entered an invalid VAT number (BXXXXXXXX) for your country." How do you check this field?.
The "extra-charges" of bitpay payment method. This is anti-bitcoin motif. I need to pay 1240€, that bitpay converts to 24,3032 BTC at an exchange of 51,02 €/BTC, but because I have € and not BTC at this moment, actually I need aprox. 54 € for 1 BTC at "bitcoin.de" market, thats aprox 6% charge, and I'm assuming the risks that €/BTC will go down between the time I start the transaction at the exchange market and when I will finally receive the btcs.
So, dear BitfuryStrikesBack people, why not accept SEPA transfers with all warranties for you and any inconvenience for us, the customers?.
Regards.
Check here and use your own VAT number twice: http://ec.europa.eu/taxation_customs/vies/?locale=enHi, I've checked and the page says "Yes, valid VAT number" in green. |
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joris
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July 07, 2013, 12:15:09 PM |
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Then its in the site bitfurystrikesback.com. Use their contact form.
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;-)
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joris
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July 07, 2013, 12:18:14 PM |
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The VAT is not properly disccounted for my company. The checkout process say "You have entered an invalid VAT number (BXXXXXXXX) for your country." Sure you had the right combination entered? |
;-)
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RoadStress
Legendary
Offline
Activity: 1904
Merit: 1007
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July 07, 2013, 02:31:20 PM |
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I don't see the option to exchange from Skrill to BTC-E. |
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jlsminingcorp
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July 07, 2013, 03:03:03 PM |
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Why not SEPA transfer to bitstamp.net? UK banks will probably charge for this (as with other SEPA transfers), but only in the way that they would charge for other SEPA transfers I think.
I'm not a financial adviser, please check carefully before doing this!
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turtle83
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July 07, 2013, 03:15:22 PM |
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Whats the dimensions of the hashing board and the master board?
Does the master board connect to the RasPi using usb or gpio?
Does the pi run cgminer or some custom miner software?
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cscape
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July 07, 2013, 03:24:43 PM |
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Whats the dimensions of the hashing board and the master board?
Does the master board connect to the RasPi using usb or gpio?
Does the pi run cgminer or some custom miner software?
Master board is 80x368 mm. Hashing board is 110x139 mm. It's connected using SPI (on the GPIO connector). I don't know about the software. |
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Foofighter
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July 07, 2013, 03:40:37 PM |
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are there CAD models available for building custom casings?
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ex official Canaan Distributor (Cryptouniverse)
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turtle83
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July 07, 2013, 03:51:18 PM |
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Whats the dimensions of the hashing board and the master board?
Does the master board connect to the RasPi using usb or gpio?
Does the pi run cgminer or some custom miner software?
Master board is 80x368 mm. Hashing board is 110x139 mm. It's connected using SPI (on the GPIO connector). I don't know about the software. Thanks. Another question. Has enough testing been done for thermal performance? I understand its to be passively cooled without heatsinks, but would it be stable with 35C ambient with no natural airflow? Id assume that the ~40W of heat would mostly dissipate over the 110x139 mm hashing board, which i think would get pretty warm. |
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cscape
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July 07, 2013, 04:28:58 PM |
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We're still doing full temperature tests. However, for a single hashing card, the dissipation is actually 15-20W, not 40W.
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Happy with your c-scape product ? Consider a tip: 16X2FWVRz6UzPWsu4WjKBMJatR7UvyKzcy
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nowywbitcoinowymswiecie
Member
Offline
Activity: 71
Merit: 10
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July 07, 2013, 06:23:24 PM |
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Sorry to be PIA but just need to be sure. Those boards (IE 25GH starter kik) are fully operational after arrival or I need to soldier the chips, power regulators etc.
Can I just plug and play them (after initial setup of course...)?
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newbee here 1PkHkAEssCQoarLz6hcmQzF9zbaxGrxdFz
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Foofighter
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July 07, 2013, 06:24:30 PM |
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plug and play
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ex official Canaan Distributor (Cryptouniverse)
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Adano
Member
Offline
Activity: 108
Merit: 10
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July 07, 2013, 11:24:13 PM |
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Whats the dimensions of the hashing board and the master board?
Does the master board connect to the RasPi using usb or gpio?
Does the pi run cgminer or some custom miner software?
Master board is 80x368 mm. Hashing board is 110x139 mm. It's connected using SPI (on the GPIO connector). I don't know about the software. Bitfury used to say he doesn't like cgminer for this purposes. He prefers to write custom software. |
Flatter me, and I may not believe you. Criticize me, and I may not like you.
Ignore me, and I may not forgive you. Encourage me, and I will not forget you.
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allinvain
Legendary
Offline
Activity: 3080
Merit: 1080
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July 07, 2013, 11:36:03 PM |
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Whats the dimensions of the hashing board and the master board?
Does the master board connect to the RasPi using usb or gpio?
Does the pi run cgminer or some custom miner software?
Master board is 80x368 mm. Hashing board is 110x139 mm. It's connected using SPI (on the GPIO connector). I don't know about the software. Bitfury used to say he doesn't like cgminer for this purposes. He prefers to write custom software. Hmm, that could be a problem for some of us. What about support? Relying on a custom piece of software that (many of us) will have no clue how to fix when it goes wrong is not a good thing. At least with cgminer or bfgminer there is some limited community support. Also if ckolivas and the cgminer team get their own starter kit they would be able to develop and optimize the software for the hardware. Would it not be better to focus purely on hardware and let someone (like ckolivas and other miner developers) else work on the software (essentially for a free dev board)? |
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allinvain
Legendary
Offline
Activity: 3080
Merit: 1080
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July 08, 2013, 01:04:37 AM |
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are there CAD models available for building custom casings?
+1 On a different note (not addressed do you specifically Foofighter): If anyone is thinking about making custom casing for these with proper cooling (120mm, 140mm, or above fans) I'd be interested in buying two or more. I'm also wondering if it would be ok to attach a small heatsink to each chip (with those thermal pads with glue on them - like VGA and north/southbridge coolers)? Would this help with cooling or is most of the heat dissipated through the PCB itself? |
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cscape
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July 08, 2013, 05:27:32 AM |
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I'm also wondering if it would be ok to attach a small heatsink to each chip (with those thermal pads with glue on them - like VGA and north/southbridge coolers)? Would this help with cooling or is most of the heat dissipated through the PCB itself?
The chips are quite small, and dissipate most of their heat through the big ground/thermal pad on the bottom, and plenty of vias spread that heat effectively through the PCB. If you want to attach a heat sink, it's best done at the back side of the PCB, which has been left free of components in the main ASIC area. Six mounting holes in the PCB could be used for screws, or you could use an adhesive type. |
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