iThe remarks that follow are not recommendations for investments or for any other financial services, Bitcoin Work, financial instruments, or digital assets. They are meant to offer general knowledge. The remarks that follow are not an invitation to make an offer to enter into a contract for the purchase or selling of financial products and instruments or an offer to make such an offer and to buy or sell any specific digital asset. The value of cryptocurrencies is prone to sharp swings. Any period could see a decrease in value or a total loss.

A decentralized digital payment network can be used to send Bitcoin, a particular kind of digital token. Anywhere in the globe, anyone can send and receive bitcoins. In fact, the original purpose of bitcoin was to serve as a safe form of electronic payment.

Blockchain technology is the foundation of Bitcoin. Although this method of storing data is by itself secure, Bitcoin goes one step further by using a decentralized blockchain that relies on a peer-to-peer network to verify transactions.

Right now, all of this could seem a little confusing, but we’ll simplify everything for you in this tutorial. The most crucial thing to understand is that Bitcoin offers an alternative method of financing to that provided by traditional banks and governments and that it is widely believed to represent the financial future of the planet.

In light of this, let’s examine the history of Bitcoin as well as its functionality and everyday applications.

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An overview of Bitcoin’s History

Rather than a physical coin, bitcoin first existed as a notion.

Bitcoin: A Peer-to-Peer Electronic Cash System was published as a white paper in 2008 by a person using the pseudonym Satoshi Nakamoto. Why is avoiding these financial institutions so crucial? In the trust-based approach that has historically characterized the financial sector, Nakamoto observed “inherent vulnerabilities.” Online shoppers depend on the reliability of a third-party financial institution to make sure their transactions are safe and successful. This reliance on a third party has a price tag attached to it, including transaction fees as well as fraud and dispute resolution fees. What if a better option existed?

Bitcoin makes an effort to illustrate precisely how that better approach appears. With Bitcoin, you can use “an electronic payment system based on cryptographic proof” as opposed to depending on reliable third parties. Bitcoin creates a whole new type of currency and an immutable record of transactions, enabling genuinely secure online payments using that currency. Bitcoin does this by using a peer-to-peer network to verify time-stamped transactions on a blockchain.

The advent of Bitcoin itself in early 2009 signaled the beginning of the cryptocurrency revolution. The price of a single Bitcoin has increased dramatically since those early days, reaching its most recent all-time high of $68,521 on November 5, 2021.

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Who is Satoshi Nakamoto, The Man Who Created Bitcoin?

The identity of the real author of Bitcoin’s futuristic white paper is still unknown. It’s possible that Satoshi Nakamoto isn’t even one person, but rather a collection of people.

The mystery surrounding this intriguing figure has been the subject of several proposed identities. Regardless of who Satoshi Nakamoto is, they have undoubtedly left a lasting impression on the financial industry that could endure for many years.

How is Bitcoin Operated?

An electronic coin, such as a Bitcoin, is described by Nakamoto as “a chain of digital signatures.” That can sound a little perplexing, but it’s actually a helpful approach to understanding how Bitcoin functions.

Information about the transaction is recorded on the blockchain whenever a Bitcoin owner transfers it to another owner. The recipient’s “public key” is included in this data. Similar to bank account numbers, public keys can be given to a third party for verification without jeopardizing your security.

Although that seems simple enough, there is another issue that Bitcoin must address. How can the buyer be certain that the coin hasn’t already been used by the owner? This issue, known as the “double-spending dilemma,” is exclusive to digital tokens.

What is the Issue with Double Spending?

You cannot spend the same euro at another store after spending it at the first one. You cannot “double spend” that euro, to put it another way.

Double-spending is not an issue with conventional fiat money, such as the euro or the dollar, but it could be with Bitcoin and other cryptocurrencies. There has to be a new system in place for Bitcoin and these other cryptos to prevent the “double spending” on a coin.

How Does Bitcoin Address the Issue of Double Spending?

Bitcoin’s decentralized network of fast computers is used to confirm transactions and continuously check the blockchain’s accuracy. Each participant in this network receives a duplicate copy of the same blockchain ledger, so they do not need to trust (or even know) one another.

In addition to doing away with the requirement for a reliable centralized authority, this massive number of distributed copies—as opposed to a single “master” copy—protects the blockchain from hacking and double-spending.

An initial transaction cannot be modified once it has been accepted by the network and published to the blockchain. A hacker would only be changing their own copy of the blockchain if they attempted to change or edit it in any manner. There would be no consensus on the authenticity of the altered copy because it would differ from the copies that were saved on the other computers connected to the network.

In the case of Bitcoin, the incorrect copy of the blockchain would need to be verified by at least 51% of the network’s computers in order to be accepted. It would be extremely expensive and computationally intensive to successfully influence that many machines in a decentralized network, making it extremely challenging to successfully install a bug into the blockchain.

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How does Bitcoin mining operations and what is it?

The method used to validate Bitcoin transactions is called mining. Additionally, it’s how fresh Bitcoins are put into circulation. Let us elaborate.

We already explained how much computational power is needed for Bitcoin’s consensus architecture to work. This consensus process, known as “proof-of-work,” is crucial to comprehending how new Bitcoins are generated as well as how Bitcoin transactions are verified.

The “proof-of-work” Bitcoin paradigm necessitates that miners on the Bitcoin network solve extremely challenging mathematical puzzles in order to validate transactions. These miners receive newly produced Bitcoins in exchange. It is practically impossible to convince at least 51% of those machines to accept an incorrect version of the ledger since so many computers are expending so much energy validating transactions.

What Can You Do With Bitcoins?

Bitcoin has evolved into a variety of uses despite being initially designed as a currency payment system. To name a few:

  • Bitcoin can be used to make purchases. You may purchase a wide variety of items using Bitcoin, from opulent luxury vehicles to standard insurance. You may “use” Bitcoin anywhere that accepts credit cards thanks to Bitcoin debit cards, which are pre-loaded with cryptocurrency and can also be used to make regular purchases with fiat money.
  • Although it differs greatly from traditional investments, many people also view Bitcoin as a desirable store of value. Bitcoin is a very dangerous asset because of its erratic, variable valuation, yet this hasn’t stopped many speculators from investing in it. Some people view Bitcoin as “digital gold” because there is a cap on the total supply.
  • Bitcoin can be purchased, sold, and traded. Bitcoin and other cryptocurrencies have gained popularity among day traders and investors alike due to their erratic and volatile open market pricing. But keep in mind that investing in cryptocurrencies comes with significant dangers.

What is The Value of One Bitcoin?

Open-market bidding is what gives bitcoin its value. In essence, it adheres to the law of supply and demand, which states that value increases with demand.

The value of a single Bitcoin varies continuously as a result of this and the fact that it is still such a novel concept. In contrast to conventional fiat currencies, Bitcoin has recently experienced significant price volatility, losing $12,000 in value over a single weekend in early December 2021. Its greatest price to date, which was $68,521 on November 5, 2021, might either be long-lasting or transient. It’s challenging to say at this time!

How Many Bitcoins Exist Worldwide?

The creator of Bitcoin set a limit on the overall supply at 21 million.

Having said that, there are continually new Bitcoins entering the market. In November 2021, it is estimated to be around 18.86 million, however as more and more Bitcoins are mined, the total number of Bitcoins in circulation is always rising.

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What are Bitcoin’s Benefits and Drawbacks?

As we have seen, the price of Bitcoin is prone to extreme swings either way. There are other benefits and drawbacks to take into account.

Benefits of Bitcoin

  • Bitcoin is by its very nature secure, with little chance of erroneous or double-spending transactions being confirmed by the network.
  • Bitcoin is a highly transparent financial instrument, with every transaction recorded in the blockchain and visible to all.
  • Bitcoin offers the possibility for significant returns due to its high price volatility, though this also carries significant risk.

Disadvantages of Bitcoin 


  • Bitcoin’s main drawbacks are its volatility, which is especially problematic if you intend to utilize it as a store of value.
  • Bitcoin mining is an expensive process that consumes a lot of energy, therefore it isn’t yet ready to replace cash for everyday necessities.
  • Because of this, Bitcoin is less enticing to folks who care about the environment and climate change.

What Else About Cryptocurrencies Should I Know?

Don’t worry if you’re still a little perplexed by Bitcoin. Understanding the financial ideas behind cryptocurrencies can take some time, and one article is actually just the beginning. Visit our bitcoin beginner’s guide for a more thorough overview.

The most crucial thing to keep in mind is that cryptocurrencies, like everything else, have benefits and drawbacks. N26 is here to guide you through this new area so you can choose wisely while buying and selling cryptocurrencies.