When choosing my USB hub, a resource that I followed closely was a post entitled “Which USB hub to use with Block Erupters” BitcoinTalk. I bought it at 1:30 PM one day and picked seven-day shipping, and it arrived the next day! I decided to buy one from Newegg, with Bitcoin of course! It cost $24.99 at the time with free shipping. After about an hour of research, I decided on the Rosewill RHB-500 10-Port USB 2.0 Hub. I ended up plugging them in individually one at a time, and each one reached the expected 333 MH/s +/- 10%.īefore buying the miners, I knew that I would only be able to run two at a time because my laptop has two USB ports, and that wouldn’t be optimal: I would have eight laying around doing nothing! The solution to this is buying a USB hub: a device that allows you to plug multiple USBs into it at one time. I had slight difficulties with understanding some of the miner’s hashrates, but I later realized that it was because I was plugging two miners into my laptop at once (it has two different USB ports) and I was getting confused by which one’s hashrate I was reading on the computer. Make sure you’ve turned off CPU and/or GPU mining on your mining program. You’re mining on the USB–– the laptop is merely what it connects to in order to log its hashes. However, you aren’t mining on your laptop when using a Block Erupter USB. Tip: You may have heard that mining on a laptop is a bad idea and can destroy your laptop this is true. I put it straight in one of the USB ports on the USB hub (more about this a few paragraphs below) and point it over the USBs. I personally use an ARCTIC Breeze USB fan it does a good job of keeping the fans cool. For this reason, I suggest buying a fan to run over your miners to keep them cool. You probably won’t get a scar or any serious injury, but it hurts enough to sting for a minute or two. Within a few minutes, touching the USB while it’s been running will burn you. I plugged a USB into my laptop’s USB port and quickly learned that the miners get very hot very quickly. The Shipping Gods were kind, as each miner came in perfect condition. All 10 arrived in a small white box which were packaged inside of a larger box each miner also came with a clear plastic casing. I received the miners shortly after, and excitedly unboxed them. The seller was very nice, and answered questions that I sent to him about the USBs over private message. My first miners ever were Block Erupters I bought 10 on eBay for $30.99 ($3.10/each) from a seller. ![]() These are all things you’ll do when buying more powerful miners, and the Block Erupter is similar in these regards. It allows you to experiment creating a rig, using safety precautions, and analyzing your earnings. If you’re only going to lose $0.13 a month using a Block Erupter, I think it’s a good miner to buy as a hobby and learning experience. It’s great for hobbyists and beginners to Bitcoin mining– it provides an experience of taking care of and analyzing the miner, which is a great start for those who are looking to use more advanced miners. However, don’t count out the Block Erupter as a miner. With no difficulty changes, you’ll lose $0.13 a month. If you’re looking to make a profit, Block Erupter USBs shouldn’t be your first choice. It is currently 40,000,000,000, so the difficulty has increased a whopping 444,344% since then. When the USBs were first announced, the Bitcoin mining difficulty was about 9,000,000. The average price you’ll find for one is $4.00, usually from Amazon or eBay, although eBay tends to be less expensive. Today, Block Erupters can be bought solo or in bulk. For group-buys, one person would buy the bulk order and sell a few USBs individually to different buyers. The minimum order amount was 300 USBs, so retailers and group-buys were the main way to obtain one. They were small, portable, yet relatively powerful miners, and were suggested as “a perfect gift for getting people knowing about Bitcoin and Bitcoin mining.” The colors included blue, silver, black, red, and yellow. ![]() A Historyīlock Erupter USBs were first announced by friedcat on May 4th, 2013, on. Among the first ASIC miners announced was the Block Erupter USB: a small USB (Universal Serial Bus) that mines for Bitcoins. When the first ASIC miners were shipped to customers in early 2013, miners became incredibly more powerful than before. From CPUs, to GPUs, to FPGAs, to ASICs, the most up-to-date and powerful miners change constantly. The top (left) and bottom (right) of the Block Erupter USB.īitcoin mining has evolved rapidly over the past few years.
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