Thursday, February 19, 2015

Bitcoin mining hardware

Bitcoin mining hardware has evolved dramatically since 2009

At first, miners used their central processing unit (CPU) to mine, but soon this wasn't fast enough and it bogged down the system resources of the host computer. Miners quickly moved on to using the graphical processing unit (GPU) in computer graphics cards because they were able to hash data 50 to 100 times faster and consumed much less power per unit of work. During the winter of 2011, a new industry sprang up with custom equipment that pushed the performance standards even higher. The first wave of these specialty bitcoin mining devices were produced by Butterfly Labs. These easy to use miners were based on field-programmable gate array (FPGA) processors and attached to computers using a convenient USB connection. FPGA miners used much less power than CPU's or GPU's and made concentrated mining farms possible for the first time.

Today's modern bitcoin mining hardware

Application-specific integrated circuit (ASIC) miners have taken over completely. These ASIC machines mine at unprecedented speeds while consuming much less power than FPGA or GPU mining rigs. Several reputable companies have established themselves with excellent products.
For a comprehensive comparison of bitcoin mining hardware, visit bitcoinx.com.

Bitcoin Getting Started

  • start mining
  • bitminter client
  • features
 

 
 
 
 

What is BitMinter?

Bitminter is a bitcoin mining pool that aims to make it easy for anyone to make bitcoins. We create new bitcoins and help process transactions. If you take part in this work then you will get your share of the coins we create and fees we get for processing transactions. Bitminter is one of the old pools from 2011, and many of our users from the early days are still with us. Keep reading and find out how you too can join us.

What do I need?

Making bitcoins with a normal computer is too slow and also not profitable due to electricity costs. Bitcoin ASIC devices is efficient hardware for making bitcoins. Check out Spondoolies and their machines. The Bitcoin wiki has a comparison of ASIC hardware.

Getting Started


2. start bitminter client Bitminter client: Hit the start button to start Bitminter client. You get bitcoins for the work it does. Works on Windows, Linux and Mac. Requires updated Java.

Other clients: bfgminer, cgminer, etc. Connect to the pool at stratum+tcp://mint.bitminter.com:3333. As user name put your Bitminter user name, an underscore, then a worker name, e.g. DrHaribo_asic3. In case you have firewall issues, port 443 and 5050 (Stratum) are also available. There is no password check, any password is accepted.
3. Get a wallet to transfer your coins to. Make sure you secure your wallet.
 

Reward System

wallet Your work is recorded in shifts. When we create a new block you get a share of the income proportional to how much of the work in the last 10 completed shifts is yours. This reward system is known as PPLNS with shifts. There is a 1% fee on mining income. Additional donations are optional but will unlock various perks.
Not only new coins are paid out but also income from transaction fees. To increase income further we also generate namecoins, which take no extra effort. You can read more about namecoins at namecoin.info.

What is Bitcoin?

Bitcoin is a digital currency. You can use bitcoins to pay for goods and services and there are exchanges where you can buy and sell bitcoins. There is no central bank and anyone can make new coins. Coins are created at a controlled rate and there will never be more than 21 million coins. Watch this video for an introduction:
 
 

Installing Your Bitcoin Wallet

Installing Your Bitcoin Wallet

The complexity of modern operating systems is getting more and more interesting each day, but installation of Bitcoin wallet can’t be any simpler.

So what is a Bitcoin Wallet?

walletBasically, a Bitcoin wallet is an open source software that can be used by the owners to make or receive payments (in Bitcoins) for free. As the wallet owner you generate a unique Bitcoin addresses in the wallet that can only be used to send or receive Bitcoin (cryptocurrency) to or from other Bitcoin owners. Unlike a bank, a wallet offers you full possession of your Bitcoins since it’s only you who can check the balance, and send money (with none of those “Bank Fees”).
Because Bitcoins are stored directly in your computer or mobile device (given that they are just like real money)u, you need to install a wallet to keep them safe. Installation of a Bitcoin wallet takes a few seconds, as long as you choose a version that’s compatible with your device’s operating system. Before you start using Bitcoins, be sure to install a compatible Bitcoin wallet.
The following step-by-step guide for installing your Bitcoin Wallet will certainly help you.

Installing Bitcoin Wallet

Step 1: Download Bitcoin wallet client

As a new or existing user, you only need to pick a wallet that you will download for use on your mobile phone or on your computer. Basically, what you need to do is get yourself a Bitcoin client or digital wallet. However, it is highly recommended that you should choose an original client because it is more resource intensive, but it takes nearly a whole day to synchronize. Also, an original client offers high levels of privacy, security and stability.
There is a wide range of stand-alone exe setup files that you can choose from depending on your operating system (Windows and Linux operating systems), for instance, you can download:
  • Bitcoin-Qt  (Main bitcoin Wallet and Highly RECOMMEMDED)
  • MultiBit
  • Armory
  • Electrum
  • Bitcoin Wallet for Android and Blackberry platforms.
Save your downloaded setup file in a location you can easily access and move on to step two.

Step 2: Install the downloaded client

Bitcoin Wallet
This is basically the last step of any installation process, after which you will have your very own personal Bitcoin wallet. After you’ve downloaded a Bitcoin wallet client of your choice, simply install it by running the setup file on your Windows, Linux or Android device. Wait for the extraction and installation of the appropriate installation files to be complete.
It will then create a wallet for you and start downloading the transaction history of every bitcoin transaction automatically. Note: this take awhile the first time.

Step 3: Back up your wallet

Back up your wallet Regularly: This is highly recommended because the backup file of your Bitcoin wallet (wallet.dat) can be lost or might become corrupted due to computer failures and some human mistakes. In most cases, this is a backup file that you will need to restore your wallet, and ensure you do not lose your Bitcoins.
Depending on your OS, the wallet file will be located at:
  • Windows: %APPDATA%\Bitcoin\ (where %APPDATA% = C:\Users\YourUserName\Appdata\Roaming\Bitcoin )
  • Linux: ~/.bitcoin/
  • Mac: ~/Library/Application Support/Bitcoin/
You can back up your entire wallet, encrypt your online backups, use more secure locations, and make routine backups for enhanced security of recent transactions. However, you should ensure that you encrypt your wallet.dat file using a strong and unique password.
This procedure can only be secure if you perform it in this order, but other complex procedures exist depending on your operating system. Before you make a bulk transfer, perform 1 or 2 trials of how to send or receive Bitcoins with a few bitcents.
Now that you know what bitcoin is and have installed your wallet, it is time to secure your bitcoin wallet.

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