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Nowadays, bitcoin is getting a lot of mainstream attention. Almost everyone is talking about it. While discussing bitcoin’s creation, the word ‘mining’ keeps coming up a lot. Sounds similar to mining coal, gold, or any other precious metal. But, bitcoin mining is a bit different. And how exactly?
Bitcoin mining doesn’t involve physical labor. The work involved is computational.
Gold or coal exist underground, and miners dig them out. Similarly, bitcoins by design exist within the Bitcoin network.
Miners dig/compute them out by successfully solving mathematical problems, and they use specialized hardware for unraveling these problems. At least, nowadays.
Before delving deeper into bitcoin mining, let’s try and understand what the blockchain family consists of.
Bitcoin Nodes
Bitcoin Core is a software that is the driving force behind the Bitcoin network a.k.a blockchain. This software when installed on a computer downloads the entire blockchain, which is around 330 GB in size!
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Bitcoin’s blockchain is a decentralized public ledger that contains the record/’chain’ of all bitcoin transactions segregated into ‘blocks’.
Apart from miners, The Bitcoin blockchain has other participants – nodes. Nodes or full nodes as they are better known have the latest version of the Bitcoin Core software installed and the entire Bitcoin blockchain downloaded on their computers.
They distribute copies of the updated blockchain to more nodes and help keep the network decentralized and secure.
Full nodes maintain the blockchain and ensure that everyone stays with the ‘longest’ chain.
The Bitcoin blockchain also comprises of light nodes. Light nodes function minimally, by just holding information of only the previous blocks. They connect with other light nodes to further decentralize the network and need less power to operate.
As of date, there are around 10,500 nodes across the world.
Miners are nodes as well and are called mining nodes. They perform a different set of functions compared to others.
While the full nodes validate bitcoin transactions and broadcast their information across the network, mining nodes or miners verify transactions and put them in blocks. Full nodes then add these blocks to the blockchain.
It is important to know that transaction validation occurs before verification. Now that the family is introduced, let’s jump to the main topic of discussion!
What Exactly Happens in Bitcoin Mining?
Bitcoin mining essentially is mining blocks to add bitcoin transaction information. That’s where the effort is. Here’s what exactly happens.
Once the full nodes detect and validate a bitcoin transaction, they are ready to be verified and confirmed by the miners. Before they enter the blockchain.
Competition is an important aspect of the bitcoin mining ecosystem. Miners compete with their other bitcoin mining peers to ‘work’ and compile transactions in a certain block.
Hashing
The ‘work’ involves solving the mathematical puzzle called a ‘hash function’, and requires a significantly high computational power. This happens per the SHA (Secure Hashing Algorithm)-256 hashing algorithm that is native to Bitcoin.
Solving hash functions amounts to solving a bitcoin block. Every hash function requires input data to be solved. The input data can be of any size. In the context of bitcoin mining, the inputs are unconfirmed bitcoin transactions.
Miners utilize the transaction inputs along with a few other pieces of arbitrary inputs to combine them and arrive at a ‘hash’ or result beginning with a set number of zeros. To know more about hashes check out the video below:
Hashes in bitcoin mining start with 18 zeros. Hash functions/blocks in the Bitcoin blockchain take approximately 10 minutes to solve. After this, full nodes take the call on adding them to the blockchain.
The miner who solves the block first receives a set number of bitcoins as a reward for the work done. This is called ‘proof-of-work’ (PoW). The reward is reduced every four years through an inbuilt process called ‘halving’. The current block solving reward is 6.25 bitcoins.
Bitcoin Mining Difficulty
Bitcoin mining has an element of difficulty embedded in the process. The difficulty is the sole reason why miners have to constantly update their hardware (spend more money and increase computational power) to stay in the game.
Mining difficulty increases with more miners joining the network.
Since increasing mining difficulty increases the cost of producing bitcoin, miners have to sell their BTC to cover operational costs. But that’s a topic for some other time.
Over time, the rising difficulty has led miners to switch from GPUs (Graphics Processing Units) used in high-performance gaming PCs to ASIC miners.
BTC Mining Today
Over the years, bitcoin mining has blossomed into a billion-dollar industry. ASIC miners specifically designed to mine bitcoin are the backbone of this industry. These devices can solve Bitcoin’s SHA-256 hash functions much faster than GPUs.
Also, bitcoin mining has become a costly proposition and is no longer suitable for individuals. That’s why different miners over time contributed their computing power and formed mining pools. Some of the biggest BTC mining pools operating currently are:
- Antpool
- F2Pool
- Poolin
- SlushPool
This is an overview of bitcoin mining. Head over to Telegram groups of some bitcoin communities in India like IndiaBits, Bitcoin India, and WazirX to interact with the members there and know more about the uses of bitcoin including investing. Hope this primer will not let you ‘wonder’ about bitcoin’s creation process anymore.
Frequently Asked Questions
Who Created Bitcoin?
Bitcoin is the first application of the concept of "cryptocurrency," first articulated in 1998 on the cypherpunks mailing list by Wei Dai, who proposed a new form of money that relies on cryptography rather than a central authority to manage its creation and transactions. Satoshi Nakamoto published the initial Bitcoin specification and proof of concept on the cryptography mailing list in 2009. Satoshi exited the project in late 2010, with little information about himself available. Since then, the community has evolved, with numerous people working on Bitcoin. Satoshi's anonymity has sparked unfounded fears, many of which may be traced back to a misunderstanding of Bitcoin's open-source nature.
How To Convert Bitcoin To Cash?
There are many ways of converting Bitcoin to cash, such as crypto exchanges, Bitcoin ATMs, Bitcoin Debit Cards, Peer to Peer Transactions. You can use cryptocurrency exchanges such as WazirX for this. Unlike typical ATMs, which allow you to withdraw money from your bank account, a Bitcoin ATM is a physical location where you may buy and sell Bitcoins using fiat currency. Several websites provide the option of selling Bitcoin in return for a prepaid debit card that may be used just like a standard debit card. You can sell Bitcoin for cash through a peer-to-peer platform in a faster and more anonymous manner.
How Much Is 1 Bitcoin Worth Today?
Check out the current price of Bitcoin on the WazirX exchange. Bitcoin's value is primarily determined by its supply and demand in the market. Other elements have an impact on its worth. Its intrinsic value can also be calculated by calculating the average marginal cost of producing a Bitcoin at any given time, based on the block reward, electricity price, mining hardware energy efficiency, and mining difficulty.
Is Bitcoin Mining Free?
Bitcoin mining isn't free, but it can be tried on a budget. Bitcoin mining is an essential part of the blockchain ledger's upkeep and development and the act of issuing new Bitcoins. It is accomplished by the use of cutting-edge computers that tackle complicated computational arithmetic problems. The effort of auditor miners is rewarded. They're in charge of ensuring that Bitcoin transactions go off without a fuss and that they're legal.
How To Invest In Bitcoin?
Bitcoin may be invested in two ways: through mining or exchanges. Bitcoin mining is carried out by high-powered computers that solve challenging computational arithmetic problems that are too difficult to complete by hand and complex enough to tax even the most powerful computers. WazirX, a Bitcoin exchange, is another alternative.
What Are The Chances Of Bitcoin Crashing?
Two Yale University economists (Yukun Liu and Aleh Tsyvinski) produced research titled "Risks and Returns of Cryptocurrency" in 2018. They looked at the possibility of Bitcoin crashing to zero in a single day. The authors discovered that the chances of an undefined tragedy crashing Bitcoin to zero ranged from 0 percent to 1.3 percent and was around 0.4 percent at the time of publishing, using Bitcoin's history returns to determine its risk-neutral disaster probability. Others claim that because Bitcoin has no intrinsic value, it will inevitably crash to zero. On the other hand, Bitcoin advocates argue that the currency is backed by customer confidence and mathematics.
What Is The Meaning Of Bitcoin?
Bitcoin is a type of cryptocurrency that was first introduced in January 2009. It is invented based on the key concepts and notions presented in a whitepaper by Satoshi Nakamoto, a mysterious and pseudonymous figure. The name of the individual or people who invented technology is yet unknown. Bitcoin promises reduced transaction fees than existing online payment methods, and a decentralized authority controls it, unlike government-issued currencies.
How Many Bitcoins Are There?
There are 18,730,931.25 Bitcoins in circulation as of June 2021. The total number of Bitcoins that would ever be there is just 21 million. On average, 144 blocks are mined every day, with 6.25 Bitcoins per block. The average number of new Bitcoins mined every day is 900, calculated by multiplying 144 by 6.25.
How To Make Bitcoin?
Bitcoin mining is not just the process of putting new Bitcoins into circulation, but it is also an essential part of the blockchain ledger's upkeep and development. It is carried out with the assistance of highly advanced computers that answer challenging computational math problems. Miners are rewarded for their efforts as auditors. They are in charge of ensuring that Bitcoin transactions are legitimate. Satoshi Nakamoto, who is the founder of Bitcoin, innovated this standard for keeping Bitcoin users ethical. Miners help to prevent the "double-spending problem" by confirming transactions.
How Can I Convert Bitcoins To Cash?
Bitcoin may be converted to cash in various ways, including crypto exchanges, Bitcoin ATMs, Bitcoin Debit Cards, and Peer to Peer Transactions. You may do this by using Bitcoin exchanges like WazirX. You may also sell Bitcoin for cash faster and more anonymously through a peer-to-peer marketplace.
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