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Author Topic: [CLOSED] Ninja Group Buy #6 9TH 28nm Hosted - 250GH for 1.666btc [0/40]  (Read 12038 times)
lostering
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March 21, 2014, 01:21:28 AM
 #41

Any update on shipment of the equipments?  Roll Eyes
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According to NIST and ECRYPT II, the cryptographic algorithms used in Bitcoin are expected to be strong until at least 2030. (After that, it will not be too difficult to transition to different algorithms.)
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Cheshyr
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March 21, 2014, 01:32:19 AM
 #42

I just sent him tracking.
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March 21, 2014, 06:24:53 AM
 #43

Purchased 2 shares in GB6:

https://blockchain.info/tx/69ff72c71b88ec95eb4279d9ea6854de2619b5a8e24f7148bf03ee7aa37953ed

MWNinja, please let me know if my math here is correct:

2 * 1.646 = 3.292
I'm trading in my 4 shares in GB4: 4 * 0.12 = 0.48
3.292 - 0.48 = 2.812 and I keep free hosting for my GB5 too

If it's not too much trouble, please use 1LoNgtrkC4QFwfVheX3rumi6xLaGuHPJ4P for GB6 dividends (that's where I sent this payment from), and keep using 1BhvKqYiew1ofQPg8L2QdN1W713oPScNG7 for GB4/GB5 dividends.

Thanks.
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March 23, 2014, 12:55:38 AM
 #44

Ninja
Sending payment for 8 shares now.  Grin
DBA
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March 23, 2014, 11:22:05 AM
 #45

Reserving 4 .. Payment will follow in few hours..
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March 23, 2014, 02:50:29 PM
 #46

MWNinja please confirm the following calculations:

4 x 1.646 - 10 (GB#3) x 0.12 = 5.384  BTC is the amount I need to transfer to have in possession one piece of 1THs machine.

Since I haven't used my right from GB#3 shares to claim shares in GB#5, this qualifies me for 4 x 6 = 24 more GB#5 shares (if there will be any more offered).

Also, do you have any experience / knowledge about this equipment ? I'm much more afraid of reliability issues than about possible delay or non-delivery. Will they run 24/7 without any problems?

Your math looks good. 

As far as reliability is concerned, there isn't much history on these machines yet.  The ones that have been running (mainly in china) have been very stable and reliable (as far as google translate can tell). Running them in a dust-free datacenter with conditioned power eliminates many of the common causes of hardware failure and should help in keeping the maximum uptime.

We'll have another "bonus" group buy once the rack-mounted gridseed devices become available.  It was too much labor to deal with the round 5-chip USB miners, and their reliability and uptime is suspect at best.

As agreed. Converted all 10 of my GB#3 shares into 4 GB#6 shares for one BitMain machine. Transferred: 5.384 BTC

TxID:

https://blockchain.info/tx/5e63e57a9a17b6b1ecbc2465485b62cb719878146ae605c58ae9219da413d8c5
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March 23, 2014, 10:06:43 PM
Last edit: September 17, 2014, 11:51:16 PM by sf2
 #47

 Smiley
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March 23, 2014, 10:12:36 PM
Last edit: September 17, 2014, 11:51:34 PM by sf2
 #48

 Smiley
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March 24, 2014, 05:03:44 PM
 #49

We have less than 6 shares remaining.  Last call.
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March 25, 2014, 10:22:43 AM
 #50

Out of all the shipments from my group buy for these miners, MWNinja's shipment is the only one that does not have US Customs clearance yet.  I'm still chasing down the details.  All other shipments are cleared, so I don't believe there are any specific issues with the shipment other than the size.  However, it appears the units will not arrive by March 25th, so any delays getting the units hashing on his advertised date are not due to any negligence on the part of MWNinja.  It's just Customs.  I only expect it to take another day or two.
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March 25, 2014, 01:59:38 PM
 #51

This Group Buy is now officially closed. I will post the owners list later today.
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March 27, 2014, 03:07:43 PM
 #52

Looks like I missed the boat.  Will there be other options in the future to trade in GB 2-3 shares?
MWNinja (OP)
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March 27, 2014, 05:25:39 PM
 #53

Sorry about the delay in processing the final list.  The miners are showing up and that takes priority over the paperwork.  I'm going to make the Saturday payout before processing the trade ins and will have the final list for this group buy up by close of day Saturday.

We'll try to make other upgrade options happen in the future. It's difficult with the price of BTC being down so far currently.

Looks like I missed the boat.  Will there be other options in the future to trade in GB 2-3 shares?
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March 28, 2014, 08:18:48 PM
Last edit: September 17, 2014, 11:52:12 PM by sf2
 #54

 Smiley
MWNinja (OP)
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March 28, 2014, 08:55:45 PM
 #55

Looks like we're going live. Good Job Grin

Yup, we've been live from the staging area since last night, lots of noise and heat and not very stable.  Hopefully everything will be much better soon as they are all getting moved into the Datacenter tonight.
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March 29, 2014, 08:26:07 AM
Last edit: September 17, 2014, 11:54:19 PM by sf2
 #56

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MWNinja (OP)
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March 29, 2014, 01:49:25 PM
 #57

Will this be 9 miners or still waiting for the 10th one?

Can these be overclocked?

Thank you.

It's been scaled back to 9 as we had physical space limitations; this group is fully operational and we are processing all the trade-in orders today (after div payout).
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March 30, 2014, 03:11:46 AM
Last edit: September 17, 2014, 11:56:38 PM by sf2
 #58

 Smiley
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March 30, 2014, 03:10:10 PM
Last edit: September 17, 2014, 11:56:47 PM by sf2
 #59

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March 31, 2014, 01:44:39 AM
 #60

I am trading in 4 out of my 6 shares in Group Buy 4 (for 4x0.12=.48) and send you BTC1.166 for a total of BTC1.646.

TxID: 98ad70d08edb1e1819cf48e549a8cb408951356fc91c088d79d37c09cdc691fe

Please use: 1BZo9yFt74co9fTYbhiepgCHBtU3ie69Xn (3rd one in blockchain) as the payout address
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