About: I build products which solve real world problems. Have a pi not being used? If you don’t know already, Bitcoin is a virtual currency set up in 2009. Bitcoin has grown in reputation how many hashes per bitcoin the past few years becoming a very popular as a method to pay for services over the internet.
The value has rocketed recently thanks to the huge coverage in the media, for both positive and negative reasons. Buying them from an exchange, which is the process of converting local currency to Bitcoin. Mining is the process of verifying transactions in the blockchain. As the whole of the Bitcoin system is decentralised, every transaction is publically viewable within what is called the blockchain. This is the job of the miners. A wallet is a program that sits on your computer and gives you a wallet address, this is a unique string of numbers and letters that you will use to receive bitcoins. After installation, you will have to save a file called wallet.
If you lose this file, you cannot recover any bitcoins it contained. Create a Pool Account Once you have a wallet address, create a pool account. A pool is a huge collection of other people working towards gaining bitcoins. Working as a group, or pool, lets everyone have a chance of earning some Bitcoin. Once you have created a pool account, you’ll need to enter your unique wallet address into the Bitcoin payout address. Next step is to create a worker login account.
Within your pool account you have the ability to create something called a worker for each of your bitcoin miners, so you’re able to monitor them all separately just in case one should fail. Each worker has its own login name and password. Now you’re ready to set your Raspberry Pi mining for Bitcoin. Start with a fresh Raspbian install, if you don’t know who to do this, read the tutorial How to Install NOOBS on a Raspberry Pi With a Mac. If you plan on running more than one Bitcoin miner at the same time, it is best to use a powered USB hub. Take into account the power rating as mining will need a lot of power, as much as one mp per miner. With your USB miner attached to your Raspberry Pi, let’s get everything installed.
To make a program, in this case BFGMiner, many dependencies are required. Dependencies are additional software, or libraries the program needs in order to compile properly, as it has been developed using them to make the software more efficient. This process will take a few minutes to complete. Once all the dependencies have been installed, now it is time to download and install BFGMiner, so type the following into LXTerminal.
It’s normal for these to take a few minutes to complete so some patience is needed. Now you’re ready to start mining. The username section is composed of two parts, the username that you use to login to the pool, and worker which is the worker name you gave when you registered the worker. Finally, the password that was set when you created the worker. That’s a lot of numbers, so I’ll make some of them a bit clearer. Current mining speed, typically calculated in megahashes or gigahashes.
The number of hashes a second that can be calculated the better. A hash is an algorithm of converting numbers and letters into an undecryptable set of characters. So a miner is used to process millions of numbers in an effort to match the hash to guess the original number. The more hashes that can be processed the faster it is able to solve the problem. A share on a pool is to show the miner has successfully worked out a given problem, so the more shares you can process the better your reward from the pool.
Detailed information on accepted shares and pool updates. This is a running log of what is currently happening with the miners and basic pool information, such as messages of updates and when new blocks are found. More information can be found at the BFGminer github site. Following these steps will leave you with a very energy efficient bitcoin miner, as a Raspberry Pi only uses four watts of power, and a miner is typically 2.
Mining used to be done with computers consuming over 700W for the same process so to make a jump in savings helps repay the cost of the hardware we are using. All there is to do now is to sit back and watch the money slowly build up. Though it is important that you understand that Bitcoin value fluctuates wildly, it is extremely volatile, so invest at your own risk. You can also put up LCDs. No targets specified and no makefile found. I’d like to get this up and working just to learn more about it. For those that were stuck after running the make command do this first.