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1  Economy / Service Announcements / [ANN] - Brief Overview of Bitcoin Mining Hardware! on: November 17, 2015, 12:26:30 AM
Since I couldn't find an up-to-date mining hardware overview site I'm creating my own.
You can find it at
I'm currently filling it with data - if you find anything missing/incomplete/wrong please post it here or message me at

Best Regards
2  Economy / Exchanges / Bitstamp Withdrawals "failed"? on: November 16, 2015, 05:22:04 AM
Just tried to withdraw my coins at bitstamp.
Got this:

Is this normal?
3  Bitcoin / Mining / Is there an up-to-date overview over bitcoin mining hardware? on: November 13, 2015, 04:34:50 AM
I was looking for bitcoin mining hardware but could not find an up-to-date overview over bitcoin mining hardware (which gets updated over the time).
I found this wiki page and this website but both are not up-to-date.

I know about the following (legit) producers:
  • Bitmain
  • Spondoolies Tech

Can you list me more? And maybe some which are currently shipping?

Thanks in advance!
4  Other / Off-topic / I need your advice on: November 12, 2015, 06:59:15 PM
5  Economy / Computer hardware / [WTS] USB-FPGA-Module 1.15y ALMOST UNUSED [400 USD] on: October 21, 2015, 10:41:04 PM
Hello community!
I bought a USB-FPGA-Module 1.15y back in 2013 for bitcoin mining and used it for about 5 days.
But I realized that the difficulty was already too high.
With the new altcoins there is a new opportunity to use the board.
Unfortunately I don't have time and the place to maintain it so I sell it here Smiley

I can ship it worldwide, for pictures / more infos just leave me a message.
6  Economy / Service Discussion / Bitcoin Mining Hardware Hosting (Colocation) - is there a market? on: October 20, 2015, 09:24:23 PM
Hey guys!
I recognized that I got very low prices for a kw/h compared to other countries and since I got some experience with bitcoin mining I thought of providing a hosting service for bitcoin mining hardware.
I found some other services like "bitcoinasichosting" and "asicspace" but they don't look very serious in my opinion.

If there is anyone interested please shoot me a message and I will respond asap.
Of course I'll proof my offer and identity!

Best Regards
7  Bitcoin / Bitcoin Technical Support / Best method for store bitcoin amount information of users on: March 23, 2014, 10:45:39 PM
Hello community,
I'm currently developing a online warehouse where you can buy goods with bitcoins.
Each user gets his own bitcoin address where the user can make deposits.

How should I handle this?
I'm running a debian root with bitcoind - should I generate for each user a own account and assign addresses to this accounts or should I create only unassigned addresses and send the bitcoin to the "main" storage address and only update the amount in the mysql database?

And another question regarding security: I only want to store 5-10% of the bitcoin in a "hot" wallet and refill this amount if necassary to provide security.
What is the best method to store the other 90-95%? Paper wallets? And how can I automatically refill the hot wallet?

Sorry for my bad english!
Greetings, norbert.
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