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When we say the words “block” and “chain” in the context of blockchain, we are actually talking about digital information (the “block”) that is stored in a public database (the “chain”). The Bitcoin protocol is built on the blockchain. So, with the launch of Bitcoin in 2009 as the first cryptocurrency, blockchain technology had its first real-world application.

Reviewing Bitcoin, Blockchain, and Mining

  • In cryptocurrency, mining is the process of managing the blockchain. 
  • Originally, Bitcoin’s creator intended for bitcoin to be mined on central processing units (CPUs)—your laptop or desktop computer. However, Bitcoin ASICs surpassed both CPUs and graphics processing units (GPUs) in terms of both their reduced electricity consumption and greater computing capacity. After gaining traction in mid-2013, when other hardware mining devices started hitting their bottlenecks in mining, Bitcoin ASIC miners have retained their lead.

    An application-specific integrated circuit (ASIC) miner is a device that is designed for the sole purpose of mining—not coal, but rather digital currency. Generally, each ASIC miner is constructed to mine a specific digital currency. So, a Bitcoin ASIC miner can mine only bitcoin. Think of Bitcoin ASICs as specialized Bitcoin mining computers, or “bitcoin generators.”https://12ea7800963ffec019cbea4bac9dd936.safeframe.googlesyndication.com/safeframe/1-0-37/html/container.html

    Reviewing Bitcoin, Blockchain, and Mining

  • In cryptocurrency, mining is the process of managing the blockchain. 
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