5 Best USB Bitcoin Miners 2020 – Reviews & Buying Guide

ASICMiner Block Erupter USB 330MH/s Sapphire Miner is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asicminer-block-erupter-usb-330mhs-sapphire-miner/

submitted by duetschpire to cryptothrift [link] [comments]

ASICMiner Block Erupter USB 330MH/s Sapphire Miner is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asicminer-block-erupter-usb-330mhs-sapphire-miner-3/

ASICMiner Block Erupter USB 330MH/s Sapphire Miner is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asicminer-block-erupter-usb-330mhs-sapphire-miner-3/ submitted by duetschpire to cryptothrift [link] [comments]

ASICMiner Block Erupter USB 330MH/s Sapphire Miner is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asicminer-block-erupter-usb-330mhs-sapphire-miner-2/

ASICMiner Block Erupter USB 330MH/s Sapphire Miner is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asicminer-block-erupter-usb-330mhs-sapphire-miner-2/ submitted by duetschpire to cryptothrift [link] [comments]

New people please read this. [upvote for visibility please]

I am seeing too many new people come and and getting confused. Litecoin wiki isn't the greatest when it comes to summing up things so I will try to do things as best as I can. I will attempt to explain from what I have learned and answer some questions. Hopefully people smarter than me will also chime in. I will keep this post updated as much as I can.
Preface
Litecoin is a type to electronic currency. It is just like Bitcoin but it there are differences. Difference explained here.
If you are starting to mine now chances are that you have missed the Bitcoin mining train. If you really want your time and processing power to not go to waste you should mine LTC because the access to BTC from there is much easier.
Mining. What is it?
Let's get this straight. When making any financial commitment to this be prepared to do it with "throw away" money. Mining is all about the hashrate and is measured in KH/s (KiloHash/sec). Unlike the powerful ASICs (Application Specific Integrated Circuit) that are used to mine bitcoins using hashrates in the GH/s and even TH/s, litecoin mining has only been able to achieve at the very best MH/s. I think the highest I've seen is 130 MH/s so far. Which leads us to our next section.
Mining Hardware
While CPU mining is still a thing it is not as powerful as GPU mining. Your laptop might be able to get 1 a month. However, I encourage you to consult this list first. List of hardware comparison You will find the highest of processors can maybe pull 100 KH/s and if we put this into a litecoin mining calculator it doesn't give us much.
Another reason why you don't want to mine with your CPU is pretty simple. You are going to destroy it.
So this leaves us with GPUs. Over the past few months (and years) the HD 7950 has been the favourite because it drains less power and has a pretty good hashrate. But recently the introduction of the R9 290 (not the x) has changed the game a bit. People are getting 850 KH/s - 900 KH/s with that card. It's crazy.
Should I mine?
Honestly given the current difficulty you can make a solid rig for about $1100 with a hashrate of 1700 KH/s which would give you your investment back in about a month and a half. I am sure people out there can create something for much cheaper. Here is a good example of a setup as suggested by dystopiats
PCPartPicker part list / Price breakdown by merchant / Benchmarks
Type Item Price
CPU AMD Sempron 145 2.8GHz Single-Core Processor $36.01 @ Amazon
Motherboard ASRock 970 EXTREME4 ATX AM3+ Motherboard $99.48 @ OutletPC
Memory Crucial Ballistix Tactical Tracer 4GB (1 x 4GB) DDR3-1866 Memory $59.99 @ Newegg
Video Card Sapphire Radeon HD 7950 3GB Video Card (3-Way CrossFire) $245.38 @ Newegg
Video Card Sapphire Radeon HD 7950 3GB Video Card (3-Way CrossFire) $245.38 @ Newegg
Video Card Sapphire Radeon HD 7950 3GB Video Card (3-Way CrossFire) $245.38 @ Newegg
Power Supply SeaSonic Platinum 860W 80+ Platinum Certified Fully-Modular ATX Power Supply $146.98 @ SuperBiiz
Total
Prices include shipping, taxes, and discounts when available. $1078.60
Generated by PCPartPicker 2013-11-29 00:52 EST-0500
Estimated Hashrate (with GPU overclocking) : 1900 KH/s
Hardware Fundamentals
CPU - Do you need a powerful CPU? No but make sure it is a decent one. AMD CPUs are cheap to buy right now with tons of power. Feel free to use a Sempron or Celeron depending on what Motherboard you go with.
RAM - Try to get at least 4 GB so as to not run into any trouble. Memory is cheap these days. I am saying 4 GB only because of Windoze. If you are plan to run this on Linux you can even get away with less memory.
HDD Any good ol 7200 RPM hard drive will do. Make sure it is appropriate. No point in buying a 1TB hard drive. Since, this is a newbie's guide I assumed most won't know how to run linux, but incase you do you can get a USB flash drive and run linux from it thus removing the need for hard drive all toghether. (thanks dystopiats)
GPU - Consult the list of hardware of hardware I posted above. Make sure you consider the KH/s/W ratio. To me the 290 is the best option but you can skimp down to 7950 if you like.
PSU - THIS IS BLOODY IMPORTANT. Most modern GPUs are power hungry so please make sure you are well within the limits of your power consumption.
MOTHERBOARD - Ok, so a pretty popular board right now is Gigabyte GA-990FXA-UD3 and the ASRock 970 Extreme4. Some people are even going for Gigabyte GA-990FXA-UD5 and even the mighty Gigabyte GA-990FXA-UD7 because it has more PCI-E slots. 6 to be exact. However you may not need that much. With risers you can get more shoved into less.
PCI-E RISERS - These are called risers. They come in x16 to x16 and x1 to x16 connections. Here is the general rule of thumb. This is very important. Always get a POWERED riser otherwise you will burn a hole in your MoBo. A powered rise as a molex connector so that additional power from PSU can be supplied.
When it comes to hardware I've provided the most basic knowledge you need. Also, take a look at cryptobader's website. This is very helpful. Please visit the mining section of Litecoin Forums and the litecoinmining subreddit for more indepth info.
Mining Software
Now that you have assembled your hardware now you need to get into a pool. But before you do that you need a mining software. There are many different ones but the one that is most popular is cgminer. Download it and make sure you read the README. It is a very robust piece of software. Please read this if you want to know more. (thanks BalzOnYer4Head)
Mining Pools
Now that your hardware and software is ready. I know nothing about solo mining other than the fact that you have to be very lucky and respectable amount of hashing power to decrypt a block. So it is better to join pools. I have been pool hopping for a bit and really liked give-me-coin previously known to the community as give-me-ltc. They have a nice mobile app and 0% pool fees. This is really a personal preference. Take a look at this list and try some yourself.
How do I connect to a pool?
Most pools will give you a tutorial on how to but the basics are as follows:
  • Signup for a pool
  • Create a worker for your account. Usually one worker per rig (Yes people have multiple rigs) is generally a good idea.
  • Create a .run file. Open up notepad and type cgminer.exe -o (address_to_the_miningpool:port_number) -u (yourusername.workername) -p (your_worker_password_if_you_made_one). Then File>Save As>runcgminer.run (Make sure the drop down is set to "All Files" and .txt document.) and save in the same folder as cgminer. That's it.
  • Double click on runcgminer.run (or whatever you named it) and have fun mining.
Mining Profitability
This game is not easy. If it was, practically everyone would be doing it. This is strictly a numbers game and there are calculations available that can help you determine your risk on your investments. 4 variables you need to consider when you are starting to mine:
Hardware cost: The cost of your physical hardware to run this whole operation.
Power: Measured in $/KwH is also known as the operating cost.
Difficulty rate: To put it in layman's terms the increase in difficulty is inversely proportional to amount of coin you can mine. The harder the difficulty the harder it is to mine coin. Right now difficulty is rising at about 18% per 3 days. This can and will change since all you miners are soon going to jump on the band wagon.
Your sanity: I am not going to tell you to keep calm and chive on because quiet frankly that is stupid. What I will tell you not to get too carried away. You will pull you hair out. Seriously.
Next thing you will need is a simple tool. A mining profitability calculator. I have two favourite ones.
coinwarz
I like this one cause it is simple. The fields are self explanatory. Try it.
bitcoinwisdom
I like this one because it is a more real life scenario calculator and more complicated one (not really). It also takes increasing difficulty into account.
Please note: This is the absolute basic info you need. If you have more questions feel free to ask and or google it!
More Below.
submitted by craeyon to litecoin [link] [comments]

For all the old school gpu mining ppl, I was offered these. Worth the price for at mining ?

Copy paste:
2x avalon gen2 btc asics
1x saphire 290 gpu that sometimes artifacts
1x coolermaster 1200 watt power supply w/ most accessories
1x sesonic 1250 watt psu with most acces
2x aluminium frames that will hold 2 mobos and 8 gpus
3x gigabyte ga-990-fxa-ud3 mobos
2x asus 280x gpu w/ aftermarket fans
1x sapphire 280x gpu w/ 1 seized fan
1x gigabyte 280x gpu
1x sapphire toxic 280x with 1 dead fan
4x 4gb vulcan ddr 2133 ram
1x 4gb vulcan ddr 1600
1x crucial 2gb ram
1x hyperx 2gb ram
6x bitcoin usb miners
4x asrock 970 extreme 4 mobo
2x msi twin frozr 7950 gpu
3x msi twin frozr 7950 gpu with 1 bad fan
1x sapphire 7970 gpu w 1 bad fan
25x laptop harddrives. 160gb to 320gb. seagate, wd, samsung 4x thermaltake 1200 watt psu
13x athalon or sempron am3+ cpus
4x viking 4gb 10600 ram
1x 4gb hyperx blu ram
1x gskill 4gb pc3-14900 ram
2x pny 4gb ram
7x gridseed dual ltc/btc miners
4x gridseed blade ltc miners
1x xfx 290 gpu
1x sapphire 290 gpu
1x msi 280x gpu
1x msi 290 gpu w 1 bad fan
2x sapphire tocix 280x with 2 of 3 bad fans
1x sapphire toxic 280x with 1 bad fan
1x saphire vaporx w 1 bad fan
3x asus f2a85-v pro mobo
1x saphire 290 gpu
1x asus 290 gpu
1x asus 290x gpu
1x evga nex 650 watt psu
1x rosewill lightning 1300 watt psu
3 untested 280x gpus
1x td-link 8 port gigabit switch a shit ton of cables and accessories (cat 5, extention, motherboard, etc)
Asking 3500
submitted by sixt5 to BitcoinMining [link] [comments]

MAD Doge - Such Problems, Much Solutions, Year of DOGE. (March 30th, 2014)

MAD Doge – 3/30/2014 The epic battle in price PANIC! PANIC? Well yes, panic if you want, it’s apocalypse time.

What’s wrong?

What am I doing? How am I invested in a solution? (WOW SUCH LONG READ)

What's going to happen?

It's going to be a rough ride, but there are upsides, Cryptsy has started on USD/DOGE exchanges.
submitted by DRKMSTR to MADDOGE [link] [comments]

Block erupter issue

I have looked over google for some help but im obviously not looking in the correct places because I did not see what i need. Hopefully someone here can point me in the right direction. Here is whats going on. I started off with 1 asic block erupter (ASICMiner Block Erupter USB 330MH/s Sapphire Miner) and everything was going fine. i added another one to the setup and everything was still going fine. (this is all being done on USB ports that are on the back of my PC, no USB hub, yet) I then aquired an antminer (BITMAIN ANTMINER U2 2Gh/s USB Bitcoin ASIC Miner. Overclockable) and plugged it into my PC as well. I am using BFGminer 3.10.0 currently and everything was running fine. all 3 miners were mining. I went ahead and ordered a usb hub because i figured if i was going to keep adding miners that my computer would not be a good place to put them all. well a day before the hub got here, i noticed that one of the miners (the saphire one) was not mining. i looked at my device manager and only saw 2 of them. so i rebooted, messed around with some different ports but nothing made that one work. i figured it was broken for whatever reason and assumed it was because it wasnt suppose to be on my mother board. thing is, it works on another PC. so i waited for the hub to come in to see if it would work on there but it still does not. Im thinking its a driver issue since its not showing up on this computer but it will on another. Any idea or suggestion on how to get my current PC (windows 8.0) to run it? Should i try a different version of bfgminer, or maybe cgminer? im fairly new to all this so i dont really know where to go with it.
submitted by linkevolve to BitcoinMining [link] [comments]

[WTS] 2 GPU Mining Rigs 1.53 mh/s and 650 kh/s (2.18 mh/s total)

Looking to sell off two mining rigs.
Rig 1 - 1.5 GH/s Bitcoin or 1.53 MH/s Litecoin
Similar setup sold on eBay for $879.99 plus shipping.
I would sell this one for $800 shipped in the continental USA.
Rig 2 - 660 MH/s Bitcoin or 650 KH/s Litecoin
  • AMD A4-5300 Trinity 3.4GHz (3.6GHz Turbo) Socket FM2 65W Dual-Core Desktop APU
  • ASUS F2A55-M LE FM2 AMD A55 (Hudson D2) HDMI Micro ATX AMD Motherboard with UEFI BIOS
  • CORSAIR XMS 4GB 240-Pin DDR3 SDRAM DDR3 1333 Desktop Memory Model CMX4GX3M1A1333C9
  • 2x SAPPHIRE 100355OCL Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
  • LG 24X DVD Burner
  • LOGISYS Computer CS368RB Red & Black Steel ATX Mid Tower Computer Case
  • CORSAIR CX Series CX750 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC
  • Microsoft Windows 7 Professional 64-bit - OEM
  • Western Digital WD Blue WD5000AAKX 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s
SOLD
Both rigs runs Windows and comes with the installation disc (Dell branded), but I was running a live Debian-based OS from a USB drive that will be included (4gb). It supports litecoin and bitcoin, and even the USB ASIC block erupters. It has remote monitoring support, which is mainly why I used it.
Will accept litecoin, bitcoin, Paypal, Dwolla, or Wells Fargo transfers. I would rather not ship outside the USA or part out. If no one is interested here, I will likely just list them on eBay.
submitted by wasabi12 to ltcmarket [link] [comments]

For all the old school gpu mining ppl, I was offered these. Worth the price for at mining ?

Copy paste:
2x avalon gen2 btc asics 1x saphire 290 gpu that sometimes artifacts 1x coolermaster 1200 watt power supply w/ most accessories 1x sesonic 1250 watt psu with most acces 2x aluminium frames that will hold 2 mobos and 8 gpus 3x gigabyte ga-990-fxa-ud3 mobos 2x asus 280x gpu w/ aftermarket fans 1x sapphire 280x gpu w/ 1 seized fan 1x gigabyte 280x gpu 1x sapphire toxic 280x with 1 dead fan 4x 4gb vulcan ddr 2133 ram 1x 4gb vulcan ddr 1600 1x crucial 2gb ram 1x hyperx 2gb ram 6x bitcoin usb miners 4x asrock 970 extreme 4 mobo 2x msi twin frozr 7950 gpu 3x msi twin frozr 7950 gpu with 1 bad fan 1x sapphire 7970 gpu w 1 bad fan 25x laptop harddrives. 160gb to 320gb. seagate, wd, samsung 4x thermaltake 1200 watt psu 13x athalon or sempron am3+ cpus 4x viking 4gb 10600 ram 1x 4gb hyperx blu ram 1x gskill 4gb pc3-14900 ram 2x pny 4gb ram 7x gridseed dual ltc/btc miners 4x gridseed blade ltc miners 1x xfx 290 gpu 1x sapphire 290 gpu 1x msi 280x gpu 1x msi 290 gpu w 1 bad fan 2x sapphire tocix 280x with 2 of 3 bad fans 1x sapphire toxic 280x with 1 bad fan 1x saphire vaporx w 1 bad fan 3x asus f2a85-v pro mobo 1x saphire 290 gpu 1x asus 290 gpu 1x asus 290x gpu 1x evga nex 650 watt psu 1x rosewill lightning 1300 watt psu 3 untested 280x gpus 1x td-link 8 port gigabit switch a shit ton of cables and accessories (cat 5, extention, motherboard, etc)
Asking 3500
submitted by sixt5 to BitcoinMining [link] [comments]

[SG] I Am Accepting DOGE as Payment for Custom GPU Mining Rigs for Local Pickup in Chicago, IL USA

I have two custom rigs / mining kits IN HAND and I am willing to sell. I will accept Bitcoin or Dogecoin for payment of course, or USD if you prefer I guess =)
Topaz - $850 / 1.7 BTC / 850k DOGE - 2x Sapphire R9 270 GPUs - Motherboard, CPU+fan, 3GB DDR2 RAM - 1x USB Powered PCI-E 1x to 16x Riser - 1x 40GB SATA Hard Drive - 750W PSU - Open air black metal frame - 810 kh/s Scrypt Mining on cgminer 3.7.2
Jet - $950 / 1.9 BTC / 950k DOGE - 2x Sapphire R9 270x GPU - Motherboard, CPU+fan, 8GB DDR3 RAM - 1x USB Powered PCI-E 1x to 16x Riser - 1x 40 GB SATA Hard Drive - 1000W PSU - Open air black metal frame - 880 kh/s Scrypt Mining on cgminer
Sorry but prices in BTC/DOGE are subject to change, I have to pay USD for all of the components here so I have to adjust for the exchange rate. Prices quoted here reflect the current exchange rates and will have to be recalculated if there is significant gain or loss of value on the markets.
Both rigs are mining away at the moment with cgminer 3.7.2, so if you want them they are basically plug-and-play, just need to be configured to point at your pools (which I can show you how to do if you are a newbie). Windows 7 is the 'trial version' so it will ask you for a validation code but it will run just fine without it. I am also willing to build and deliver fully working CUSTOM MINING RIGS at various hashing powers - 800, 900, 1200, 1500, and 2200 - for around $1.25 per kh/s (with payment up front).
Professionally I am a career educator, so I am very patient and willing to sit down with you if you are unfamiliar with crypto and explain how everything works. I will make sure that the miner I sell is configured right and ready-to-hash, and I will explain to you how to use it and how to keep it running right. I have mined scrypt coins on several different types of cards using both Linux and Windows OS, I have mined BTC using ASIC hardware, I have managed exchange accounts, qt-clients, and a futures account on ICBIT. So basically I have some knowledge and expertise I am willing to share with anyone who is interested and willing to invest some money with me for hardware.
I think that GPU rigs are still a very good investment in crypto for two reasons. At the moment the scrypt coin economy is pretty stable. 1,000 kh/s will get you the equivalent of 0.010 - 0.015 BTC/day depending on which scrypt coin you choose. There are several coins that give at least this good of a return, which is great on its own. But then add the fact that GPUs can be resold for a very good portion of the original value, and that a mining rig can be re-purposed as a workstation or gaming rig. Personally I think I can offer a really good value, and if my apartment were rated to deliver more electricity without overloading my circuits, I would be building and mining off of more cards myself.
I am also willing to buy/sell limited amounts of cryptocurrency in person - up to $1,000 USD. I have well established accounts on major exchanges so if you are looking to buy or sell without all that hassle, I can help you out.
submitted by arthurdent6 to dogemarket [link] [comments]

Bitcoin mining made really easy/BFGminer quick start guide

There is 2 parts to this
If i am missing somthing of if you want to add to this then please tell ms so i can make the changes. All is one and one is all. Infomation wants to be free, so dont be a dick help me make this better for all. Oh one more thing before we start I don't give a rats ass about up votes or down votes or square votes for this matter, I made this to help anyone who is stuck, if you don't like it then scram!(Its not like im forcing you to read this)...Or i am i ...
So if you new or experienced bitcoin miner you should know that shit ain't free. The reason for this is the fact that electric isn't free.(Oh the fun days we would have if it was) When mining there is always going to be a cost, like how to pay for the Hardware, and the power and the maintenance and something that everyone forgets, The time it can take to set up the hardware and the scripts to miner. I chose to do a side project on this and got my own Asic miner USB Block eruptor that mines at 336mhs. It took me about 6 hours to write a working batch file. So show i wanted to show it to you all because it is a pain in the ass.
BFGMINER PART
So If your using "ASICMiner Block Erupter USB 333-336MH/s Sapphire Miner" You have found the right page
You will need install the drivers here is the link = These drivers may be downloaded from: http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx
So this is what i use BFGMINER.exe Verson 3.2.1 So i made a batch file With this in it.(If you need help making this then please tell me.I don't mind helping.)
C:\Users\Admin\Desktop\bfgminer-3.2.1-win64\bfgminer-3.2.1-win64\bfgminer.exe -o stratum+tcp://uk1.ghash.io:3333 -u YOURNAMEHER.worker1 -p YOURPASSWORD --disable-gpu -S all
-o stratum+tcp://uk1.ghash.io:3333 This is my mining pool -S all will find all divices -disable-gpu because i don't want it to mine on my GPU. Make this the location of you BFG miner C:\Users\Admin\Desktop\bfgminer-3.2.1-win64\bfgminer-3.2.1-win64\bfgminer.exe
-u YOURNAMEHER.worker1 This is your username and workername. -p YOURPASSWORD This is your password
So from all of this it worked i have basically pieced together everything that i found to make the batch file that will start mining
Woot Woot Empty Space
Bitcoin mining made really easy PART
How to start * Sign up at Cex.io if you don't already have an account. Then you can buy GH/S of mining speed. From Ebay Just type in Cex.io in ebay and you will find it all. READ ALL THE POSTS CAREFULLY. People can and will be dicks and try to trick you like saying 10000 kh/s of mining power, People that is 10 mb/s. Aka nothing
When you get a voucher code You will immediately start mining Bitcoins. You don't have to worry about setting anything up, electricity, power outages, or bad hardware.
The Benefits
*No technical knowledge required.
*No hardware to maintain.
*No software to configure.
*No electricity cost.
*If there server gose down they will bous your speed of the miner to make up for the down time(that is really cool, i only had this happen once......The went down for about 13 hours and i normale was mining at 2gbs but the bumped me up to 6 gbs for a few hours to make up for the down time...
*You can buy gh/s witht the bitcoins you mine.
*Supports Merged mining.This means it Mines Bitcoin, Namecoin, Devcoin, and IXcoin at the same time!
The Disadvantages
*you cant buy gh/z with money, they will only accept bitcoins
*If you like to physical hold the miner then this isnt for you.(Hey i do both so its the best of both worlds)
submitted by Xexos1 to Bitcoin [link] [comments]

ASICMiner Block Erupter USB ASIC Bitcoin Miners USB ASIC Miners in India Asic Miner Block Erupter (USB) The Economic old Asic Bitecoin Miner WhatsMiner M3X 12--12.5TH/S Miner and power integrated machin Bitcoin Mining on the Cheap? USB Block Erupter ASIC Miner Review

It uses an Application Specific Integrated Chip known as ASIC, the first of its kind for Bitcoin Mining. BITCOIN USB ASIC Miner Block Erupter available now! This is an ASICMINER USB BLOCK Erupter (Sapphire Batch). This USB devices mines Bitcoin at a confirmed ~335 MHash while using only USB spec power (0.5 Watt). This unit is from ASICMINER. Our journey begins with the ASICMiner Block Erupter Sapphire miner. Although this wasn’t the first ever Bitcoin ASIC introduced it was the first one that wasn’t nearly impossible to get your hands on. This miner was powered by the BE100 chipset (ASICMiner’s first generation 1 chip). The mining speed of the miner was 330 MH/s. ASICMiner Block Erupter USB 330MH/s Sapphire Miner. The Sapphire Block Erupters were the first Bitcoin USB miners. They have 330 MH/s of hash power which would net you less than $0.01 per month. It may be a good choice just to see how mining works, but like with most USB miners: do not expect to turn a profit. GekkoScience Compac USB Stick ASICMiner Block Erupted USB 330MH/s Sapphire Miner For a good learning experience, this may be your best option, as the Sapphire Block Erupters were among the first USB Bitcoin miners. However, with its hash power of 330 MH/s, it’s not something you’ll want to use if you’re in it to make a profit. Block Erupter USBs were first announced by ASIC Miner on BitcoinTalk.org in 2013. They were a portable, pocket sized yet relatively powerful bitcoin usb miners, and were suggested as «a perfect gift for getting people knowing about Bitcoin and Bitcoin mining».

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ASICMiner Block Erupter USB ASIC Bitcoin Miners

This video is unavailable. Watch Queue Queue. Watch Queue Queue The Economic old Asic Bitecoin Miner WhatsMiner M3X 12--12.5TH/S Miner and power integrated machine better than M3 for BTC BCH Buy Now : https://moredetail... Sapphire Block Erupter - USB Bitcoin Miner 330 Mhash @ 2,5 W - Duration: 2:25. SwiftDK 48,428 views. 2:25. Bitcoin 2014! ... USB ASIC miner unboxing and testing - Duration: 6:04. ASICMiner Block Erupter USB 330MH/s Sapphire Miner The Sapphire Block Erupters were the first Bitcoin USB miners. They have 330 MH/s of hash power which would net you less than $0.01 per month. USB Block Erupter ASIC Miner Review - Duration: 3:15. mohawkade 26,989 views. 3:15. ... BITCOIN MINING - USB Block Erutper on MAC Pro OS X using BitMinter - Duration: 2:37.

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