Bitcoin Mining

Important Things To Know About Bitcoin Mining

Governments in typical fiat money systems simply print additional money when they need it. Bitcoin, on the other hand, is found rather than printed. Computers all across the globe compete with each other to mine for currency.


Governments and banks can (and do) issue new money whenever they choose in a classical fiscal system. In Bitcoin, however, no one can do that since the money-issuing process focuses on mining, which is a really ingenious way of simultaneously validating Bitcoin transactions and storing them on a decentralised ledger.

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But what is Bitcoin mining and how does it work? We’ll look at the foundations of Bitcoin mining and the essential procedures that go into it in this guide.

What is Bitcoin mining, and how does it work?


The process of “discovering” bitcoins is known as bitcoin mining. Bitcoins, like gold, are artificially restricted, with a total supply of just 21 million BTC. You’ll also need to set aside resources and put in a lot of effort to extract it, much like gold. Bitcoins, on the other hand, are meant to be coined using the computing power of millions of competing computers all over the world, rather than mining gold.

Bitcoin Mining

It may be difficult to grasp at first, but it is actually rather brilliant. Anyone can run a Bitcoin node and try their hand at mining, but no one can guarantee that they will be successful. These millions of computers, on the other hand, assure one thing: the network’s operation and security.

See our namesake guide if you want to learn more about “what is bitcoin mining.”

For the time being, all you need to know is that Bitcoin mining has a variety of uses:

  • Ensures the Bitcoin network’s security.
  • Miners are encouraged to devote their resources to the Bitcoin network.
  • Transactions in Bitcoin are confirmed.
  • Assures Bitcoin’s decentralisation (which makes it a free worldwide peer-to-peer (P2P) currency).
  • Makes bitcoins rare and difficult to obtain.
  • Making it unprofitable to go against the system penalises bad actors in the network.

What is the process of mining?


People can transmit bitcoins (or any other digital assets) at any moment, but it’s useless unless someone monitors them all. This is especially true when it comes to digital materials, which are extremely easy to duplicate. So, in order to have completely functional digital cash, you’ll need to keep track of who paid what to whom, which is essentially what banks do for us.

But how can we be sure that person A transmitted bitcoins to person B if there are no oversight organisations? How do we avoid double-spending, when one person transmits the same bitcoins to another?

Bitcoin mining is the answer.

By processing all network transactions, placing them into a list, and locking them up into immutable blocks, the Bitcoin network substitutes banks and other intermediaries. Miners are ultimately responsible for all of the labour, allocating their hashing power to confirm transactions and record them in a distributed public ledger.

Bitcoin mining necessitates the use of a computer and a Bitcoin application (client). You become a miner when you install the Bitcoin software on your computer and compete with other miners in solving tough arithmetic challenges. Every 10 minutes, all computers use cryptographic hash algorithms to try to solve a block containing the most recent transaction data.

What are bitcoin hashes, and how do you use them?


Every block that is solved is recorded in the public ledger. The Bitcoin blockchain is essentially a long list of blocks that make up the distributed public ledger.

The Bitcoin distributed ledger, often known as the blockchain, is a public record of all network transactions. Because the file is public, anybody may examine it using any bitcoin block explorer. Every 10 minutes or so, a new block is added to the ledger. As a result, the blockchain’s size continues to grow. Miners distribute an updated copy of a new block, so everyone is constantly up to current on what’s going on.

So, what’s the point of that?

In traditional systems, a ledger must be trusted, which means it must be overseen by a trustworthy person or institution who ensures no one tampers with it. The miners are in charge of this on the Bitcoin network.

In traditional systems, a ledger must be trusted, which means it must be overseen by a trustworthy person or institution who ensures no one tampers with it. The miners are in charge of this on the Bitcoin network.

Bitcoin Mining
Bitcoin mining \”farm.\” Source: Wikipedia Commons.

The miners must process a block of transactions once it is ready. They use the SHA-256 Cryptographic Hash Algorithm to create a hash, which seems to be a random sequence of numbers and characters. The hash is placed with the block at the end of the blockchain at that moment in time, which acts as proof of work and validation.

But what makes these hashes so trustworthy?

It’s simple to generate a hash from the data in a Bitcoin block. However, because the hash is completely random and each hash is unique, it is almost hard to decode the data merely by glancing at it. You’ll obtain a completely different hash if you modify just one symbol in the original input. As a result, predicting the output is difficult, and the only way to equal it is through guessing, which is what miners do.

However, the miners don’t just wrap the transactions in hashes; they also employ other kinds of data. The hash of the previous block is one of these parts.

It functions as a digital wax seal since each block’s hash contains the hash of the preceding block. It ensures that the created block, as well as all previous blocks, are valid. If a block is forged, other miners will be able to notice it and reject it.

In other words, a false transaction would affect the hash of a block as well as the block itself. Because the hash of each block is used to calculate the hash of the following block, this would affect all blocks in the chain. If someone reviewed it, they’d quickly see the difference between correct and bogus blocks since they don’t match the ones on the blockchain that have previously been validated.

Miners use this method to “shut off” a block. Let’s have a look at the competition section now.

Having a coin competition


We’ve previously established that the only method to seal off a block is to properly guess the hash’s result, and the most efficient way to do so is by computerised random guessing.

All miners compete to see who can guess the answer the fastest using the mining programme. The miner who is the first to do so mines the block (which is composed of billions of random computer-generated guesses from all over the globe) and receives the block reward, which is presently fixed at 12.5 BTC per block and reduces by half every 210,000 blocks. At the present rate, the block reward will drop to 6.25 BTC per block around 2021.

It basically acts as a motivator to keep mining in order to keep the system running. Because block rewards are diminishing, it is projected that the price of BTC will continue to rise. However, block rewards aren’t the only way for miners to get rewarded; they also split the total Bitcoin transaction fees.

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