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How to Mine Bitcoins in 2021

Published
July 26, 2021
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    Bitcoin mining has a captivating appeal for many investors who are interested in cryptocurrency because miners are rewarded for their work with crypto tokens. Having said that, the crypto mining process is also difficult, expensive, and only scarcely profitable.

    But if you're technically aligned and have a deeper understanding of how cryptocurrencies work, how they’re created, how their values rise and fall, and how they can be held and used—you're in a good starting place.

    So what are those other crucial things to know when starting your mining journey? In this article, we'll learn what Bitcoin mining is and everything there is to know about how to mine Bitcoin in 2021.

    What Is Bitcoin Mining?

    Bitcoin mining is the process of participation in Bitcoin's proof-of-work (POW) consensus mechanism by which new Bitcoins are entered into circulation. Apart from this, it also plays a significant role in maintaining and developing the public blockchain ledger.

    Mining Bitcoins requires highly sophisticated computers which are capable of executing complex computational problems. Those who have the required mining hardware and computing power are called miners. It is the joint effort of all these Bitcoin miners that maintain the integrity of blockchain technology and assure irreversible transactions. These miners are then rewarded with crypto tokens or Bitcoin block rewards each time a new block is discovered.

    After the Bitcoin halving in 2020, each new block adds 6.25 bitcoins into circulation. However, most Bitcoin miners usually receive much less due to working together as part of a mining pool.

    What Do You Need To Mine Bitcoin?

    If you're wondering- "How to mine Bitcoin in 2021?", there are three things you need at hand to get started:

    1. A Bitcoin wallet
    2. Mining hardware
    3. Mining software

    Bitcoin Wallet

    The first thing you'll need to mine Bitcoin is a Bitcoin wallet. There are a lot of crypto wallets available nowadays, and it doesn't matter which one you're getting as long as it's secure. Hardware wallets are the most widely used wallets as they’re considered the gold standard in security. Having said that, it is also more cumbersome to use. There are also a lot of miners who use software wallets because they are more convenient, such as Electrum, Coinbase Pro, etc.

    Some of the most popular Bitcoin wallets are:

    1. Electrum
    2. Exodus
    3. Ledger Nano S
    4. Ledger Nano X
    5. Mycelium
    6. Trezor Model T

    Your mining setup is a big factor in determining your total mining proceeds, which will be transferred to your wallet.

    Mining Hardware

    When Bitcoin mining first began in 2009, Bitcoin miners solved complex mathematical puzzles using regular processors called controlling processor units (CPUs). Individual miners used their regular computers to discover blocks and earn 50 BTC apiece by doing so. But even though the difficulty level was lower than today, it was a time-consuming process.

    But, as the popularity of Bitcoin mining grew within the passing years, miners discovered GPUs or graphics processing units, which proved to be more efficient than regular CPUs—but the downside was that it consumed a lot of electricity. Miners had to calculate the ROI based on the hardware, the cost of electricity, and other resources needed to do the mining. GPU hardware ran Bitcoin mining until 2013 when it was replaced by application-specific integrated circuit (ASIC) miners—which is prevalent today.

    The application-specific integrated circuit consumes less power and has higher computing power. Bitcoin miners are profitable when their cost of resources to mine one block is less than the price of the reward.

    Here’s a list of the most popular mining hardware:

    1. AntMiner T9
    2. Avalon6
    3. AvalonMiner 741
    4. Bitmain AntMiner D3
    5. Bitmain AntMiner L3+
    6. Bitmain AntMiner S5
    7. Bitmain AntMiner S7
    8. Bitmain AntMiner S9
    9. Dragonmint T1
    10. WhatsMiner M3X

    Mining Software

    Mining software tells your mining hardware which mining algorithm you want to work with, which pool you will use, and essentially acts as the hub for controlling your mining. There's a long list of Bitcoin mining software out there, but it is recommended to take time, do research, and choose the right mining software as it can significantly affect the efficiency of your mining operations.

    While choosing the software for mining Bitcoin, there are a few things that you must remember.

    1. Hardware Support: Some software support CPU, GPU, FPGA, and ASIC mining, while others only support specific hardware.
    2. Operating System: The software you choose must be compatible with your operating system, such as Windows, Raspberry Pi, MacOS, etc.
    3. Algorithm Support: Bitcoin uses the SHA256 mining algorithm; your software should support it for cryptocurrency mining.
    4. Efficiency: High resource miners are generally less efficient, but they are often easier to use.
    5. Added functionality: Additional functionality such as automatic coin switching, remote access, mining scheduling will help you increase mining efficiency.

    Some of the most popular Bitcoin mining software available in the market:

    Bitcoin Mining Software Operating System Best Known For
    CG Miner Windows, Mac, Linux Open-source mining software; offers a variety of mining equipment.
    Cudo Miner Windows, Linux, Mac, etc. Beginner-friendly
    Kryptex Miner $1,000 minimum investment and 24/7 trading access. 1% per transaction plus a $29.95 per month service fee.
    Bit IRA Windows For both beginners and professionals
    BeMine Web-based Cloud mining
    Awesome Miner Windows Centralized management of mining activity

    How To Mine Bitcoin In 2021

    Satoshi Nakamoto, the founder of Bitcoin, laid down the rule that the legitimacy of Bitcoin transactions would be verified by miners. This would ensure the honesty of Bitcoin users and prevent the "double-spending" problem.

    When Bitcoin owners spend the same Bitcoin twice, it is known as double-spending or spending the same dollar twice. In the case of digital currency, a holder could make a copy of the digital token they own and send it to a merchant or another party while retaining the original.

    The miners are eligible to be rewarded with several Bitcoins after they have verified 1 MB worth of Bitcoin transactions, known as a "block" but there's a catch- not all miners who verify 1 MB of transactions will be rewarded. Two conditions need to be fulfilled:

    1. You must verify 1MB worth of transactions
    2. You must be the first miner to arrive at the right answer, or at least the closest answer, to a numeric problem. This process is called proof-of-work (POW).

    What kind of numeric problems do miners have to solve?

    Contrary to popular belief, miners don't just sit down and solve math problems. Instead, to put it in layman terms, a miner is essentially the first person to come up with a 64-digit hexadecimal number (known as a hash) that is less than or equal to the target hash. While that may sound easy, the bad news is that it's all guesswork.

    In order to solve a problem first, miners need a lot of computing power, and to mine successfully, you need to have a high hash rate. Hate rate is a measure of the computational power per second used when mining and is measured in terms of mega hashes per second (MH/s), giga hashes per second (GH/s), and tera hashes per second (TH/s).

    How can I maximize the chances of being the first one to guess the target hash?

    If you want to know how to mine Bitcoin in 2021, you'd have to guess the target hash before anyone else. For this you'd have to get a fast mining rig, or, to be more practical, join a mining pool—a group of miners who combine their computing power and split the mined Bitcoin. In a mining pool, a larger number of blocks are mined than by individual miners.

    How Much Profit Can You Make By Bitcoin Mining?

    Apart from the expensive equipment necessary for solving a hash problem, miners must also consider the significant amount of hashing power and electricity costs of mining rigs, to estimate the costs and benefits.

    Due to the rapid increase in Bitcoin’s market value, the amount of money you can earn by mining can vary considerably based on several parameters.

    Factors Influencing Profitability Of Bitcoin Mining

    • The market price of the coin you are mining is an important factor to consider as cryptocurrency prices are highly volatile. Mining crypto that is trending will make you more money whereas the one that is flat or trending down will make it difficult to earn profits.
    • Powerful hardware can execute the calculations needed to mine Bitcoin blocks much faster—thus making more rewards.
    • For a GPU the higher the hash rate it can produce, the more electricity it will consume.
    • Expensive hardware will also incur maintenance costs, such as cooling, modifications, installation costs, etc.

    Mining Pools

    A Bitcoin mining pool is a group of Bitcoin miners that work together to improve their odds of successfully mining BTC. The combined efforts of a large number of Bitcoin miners ensure that they are able to discover more blocks than when working alone and sharing the payouts among all participants.

    Multiple miners share their resources to mine a block. Once the pool members finally produce a final hash value, the Bitcoin reward is divided proportionally among the participants based on the resources they offered. Hence it helps generate a more stable income.

    You can choose from the long list of the best mining pools depending on your personal preference. But usually, it is observed that larger pools generate more consistent income. Other points you might consider are the task assignment mechanism, payout threshold, fee schedule, and transparency, among other parameters.

    The Bottom Line

    Thus we can see that with sound technical knowledge and the right hardware and software components, it is possible to make it big in the Bitcoin mining world. Mining Bitcoin costs less than it does to buy it on the open market. As a result, mining and selling Bitcoin can be a lucrative business endeavor, if executed under the right conditions. 

    How to Mine Bitcoins FAQs

    1. How long does it take to mine a bitcoin in 2021?

    It takes about 10 minutes to mine one bitcoin. At 600 seconds (10 minutes) it will take 72,000 GW (or 72 Terawatts) of power to mine a bitcoin using the average power usage provided by ASIC miners.

    2. How to mine Bitcoin for free?

    Apart from the expensive equipment necessary for solving a hash problem, miners must also consider the significant amount of hashing power and electrical power of mining rigs, to estimate the costs and benefits.

    3. How much does it cost to mine Bitcoin 2021?

    It currently costs about $7,000 to $11,000 to mine a bitcoin. The lifetime cost of an ASIC miner is on average $15,000-$19,000 to mine one bitcoin.

    4. How much do Bitcoin miners make?

    Back in 2009, mining one block of Bitcoin a miner could earn up to 50 BTC. This was halved in 2012 to 25 BTC. By 2016, it was 12.5 BTC and as of May 11, 2020, the reward halved again to 6.25 BTC.

    5. Which is the best Bitcoin mining software?

    There is a lot of Bitcoin software available in the market. Some of them are:
  1. CG Miner
  2. Cudo Miner
  3. Kryptex Miner
  4. BeMine
  5. Awesome Miner
  6. 6. Can I mine Bitcoin on my PC?

    The application-specific integrated circuit consumes less power and has higher computing power. Bitcoin miners are profitable when their cost of resources to mine one block is less than the price of the reward.


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