Cryptocurrency & Blockchain Technology - How Does it Work

Blockchain technology is a real revolution in the world of financial trading. It's not just about financial trading, but it goes beyond that to become a comprehensive technology that can be relied upon to create an integrated technological system, such as the internet system that we are used to.

In this article, we will talk about blockchain technology in a simple and easy way from many aspects, and we will explain to you ways to benefit from this technology and make profits from it, and we will also provide you with great resources to learn it.

Blockchain Technology and Cryptocurrency
Cryptocurrency and Blockchain Technology

Cryptocurrency & Blockchain Technology

Cryptocurrency and blockchain technology are closely related, as blockchain is the underlying technology that enables the creation and transfer of cryptocurrencies. Blockchain is a distributed ledger technology that records transactions in a secure and transparent manner.

Cryptocurrencies are digital or virtual tokens that use cryptography to secure transactions and to control the creation of new units. They are decentralized, meaning they are not controlled by any central authority such as a government or bank.

Blockchain Technology

Blockchain technology is a decentralized, distributed ledger system that records transactions securely and transparently. It uses a network of computers to validate and store transactions in blocks, which are linked together in a chain, creating an immutable and auditable record of all activity on the network. 

This technology is primarily known for its use in cryptocurrencies like Bitcoin, but it has the potential to be applied to various industries and use cases, such as supply chain management, voting systems, and more.

Blockchain technology emerged as the driving force behind the world's most popular cryptocurrency, Bitcoin. 

However, the potential of blockchain technology extends far beyond cryptocurrencies and could become an essential element for every electronic transaction, whether it be online retail payments, settling trades between intermediaries, or even confirming your identity to a government agency.

The Blockchain is an electronic ledger or transaction record, but unlike traditional ledgers, it is not centrally stored in one location. Instead, new transactions are recorded on a "block" that is public and "linked" to previous transactions so that the complete record is available to everyone. 


Cryptocurrency refers to digital or virtual currencies that use cryptography to secure and verify transactions and to control the creation of new units. Cryptocurrencies operate independently of central banks and are typically decentralized, meaning they are not controlled by a single entity or organization. 

Bitcoin is the first and most well-known cryptocurrency, but there are now thousands of different cryptocurrencies in circulation. Cryptocurrencies have gained popularity as an alternative to traditional currency and as a potential investment opportunity.

The Tading of digital currency originated from the existence of blockchain technology, which began to be used as a fundamental element in cryptocurrency in 2009, coinciding with the launch of Bitcoin. However, it is rapidly evolving, and there are a variety of other industries exploring its potential applications.

The widespread use of blockchain technology as a fundamental platform for most forms of encryption began in 2009 when its innovative use allowed for the successful launch of Bitcoin. For this reason, many people believe that blockchain and cryptocurrencies are synonymous, while in fact blockchain technology contains a variety of applications.

What is Blockchain Technology and Cryptocurrency 

Blockchain technology is a decentralized and distributed digital ledger that records transactions in a secure and transparent way. It maintains a continuously growing list of records, called blocks, which are linked and secured using cryptography. 

This technology is designed to provide a secure and transparent way to store and transfer data or assets without the need for intermediaries like banks or financial institutions.

Cryptocurrency, on the other hand, is a type of digital or virtual currency that uses cryptography to secure and verify transactions and to control the creation of new units. Cryptocurrencies operate independently of any central authority, such as governments or financial institutions, and are often decentralized. 

Bitcoin is the first and most well-known cryptocurrency, but there are now thousands of others in circulation. Cryptocurrencies can be used to purchase goods and services or as a store of value, similar to traditional currencies like the US dollar or Euro.

Cryptocurrency: Blockchain vs Cryptocurrency

Blockchain Technology and Cryptocurrency are closely related, but they are not the same thing.

Blockchain is the technology that underlies cryptocurrencies such as Bitcoin. It is a decentralized digital ledger that records transactions in a secure and transparent way. The blockchain maintains a continuously growing list of records, called blocks, which are linked and secured using cryptography.

Cryptocurrency, on the other hand, is a type of digital currency that uses blockchain technology to secure and verify transactions and to control the creation of new units. Unlike traditional currencies, which are controlled by governments or financial institutions, cryptocurrencies operate independently of any central authority.

While blockchain is the underlying technology that makes cryptocurrencies possible, it has many other potential applications beyond digital currencies. For example, blockchain can be used to track the ownership of assets, to verify the identity of individuals, and to secure the transfer of data.

Blockchain Evolation

Blockchain technology has evolved significantly since the creation of the first blockchain in 2008 for the cryptocurrency Bitcoin. Here are some of the notable developments in the evolution of blockchain:

  1. Second-generation blockchains: Ethereum, the second-largest cryptocurrency by market capitalization, introduced smart contracts in 2015. Smart contracts allow developers to create self-executing contracts that automatically execute when specific conditions are met. Other second-generation blockchains like Cardano and Polkadot have also emerged, offering new features and capabilities.
  2. Interoperability: With the rise of multiple blockchains with different protocols and standards, the need for interoperability has become more pressing. Projects like Cosmos, Chainlink, and Polkadot are working on creating interoperability solutions that allow different blockchains to communicate and exchange data.
  3. Enterprise blockchain solutions: Companies and organizations are exploring the use of blockchain technology for various applications, including supply chain management, identity verification, and digital voting. Private, permissioned blockchains like Hyperledger Fabric and Corda have been developed to address the needs of enterprise users.
  4. Scalability solutions: One of the biggest challenges facing blockchain technology is scalability. As more users and transactions are added to a blockchain, the network can become slower and more congested. Various scaling solutions have been proposed, including sharding, layer-two solutions, and blockchain interoperability.
  5. Decentralized finance (DeFi): DeFi refers to financial applications built on top of blockchain technology that are designed to be decentralized, transparent, and open to anyone. DeFi applications allow users to lend, borrow, and trade cryptocurrencies without the need for intermediaries like banks. The growth of DeFi has led to the development of new blockchain platforms like Solana and Avalanche.

Overall, the evolution of blockchain technology has been marked by innovation, experimentation, and collaboration among developers and users. The potential applications of blockchain technology are vast, and the technology is expected to continue to evolve and mature in the years to come.

Why is it called blockchain?

The term "blockchain" refers to the way data is structured and secured in the technology. The data is stored in blocks, which are linked together in chronological order to form a chain of blocks. Each block contains a cryptographic hash of the previous block, along with transaction data, making it tamper-evident and creating a secure and transparent ledger system. Hence, it is called a "blockchain."

The reason why blockchain records are theoretically unchangeable is that the system is built from blocks of data linked to each other in chronological order (hence the name blockchain), so that all transactions are visible to everyone on the network. The technology relies on encryption to secure these transactions.

Why is blockchain considered secure?

Blockchain technology operates on a decentralized network of computers called nodes, which allow for a form of consensus (confirmation from peer to peer). This can lead to faster and more secure transactions, and therefore the distributed and self-governing nature of blockchain makes fraud and copying more difficult compared to traditional record-keeping systems.

Combining speed, security, and transparency has not only enabled the growth of cryptocurrencies around the world, but many other industries are now exploring blockchain applications as well.

What are Cryptocurrency? How Does it Work?

Cryptocurrenciy, often called "crypto," are any type of decentralized digital currency that relies on encryption. These three terms are essential to understanding the thousands of types of cryptocurrency that are traded today.

Decentralization means that cryptocurrencies are not issued by a central authority such as a government or bank, as is the case with dollars, euros, yen, and other paper currencies. Instead, cryptocurrencies are created, exchanged, and supervised through a distributed peer-to-peer network.

There are now thousands of cryptocurrencies, and while many of them are designed to provide some new features or functions on a particular blockchain platform, most are founded on the principles of transparency, security, and decentralization that are central to blockchain technology.

Cryptocurrenciey are considered safe because they use a "trusted" verification system for all transactions. This means that users do not have to rely on a third party to verify transactions: the system governs itself, and cryptocurrencies are generally stored in digital wallets, usually blockchain wallets, which allow users to manage and trade different cryptocurrencies.

How Does Cryptocurrency Mining Work?

Miners use specialized computer equipment to perform the complex mathematical encryption required to verify each transaction on the blockchain. This process, known as "Proof of Work" (PoW), requires miners to complete billions of calculations to verify a block of transactions. Proof of Stake (PoS) is another consensus mechanism used to create cryptocurrencies, but PoW is a common mechanism in many forms of cryptocurrency.

Cryptocurrency mining is highly competitive and relies on network consensus to primarily support the validity of every transaction even without central authority. Once the miner completes a certain number of calculations to verify a block of transactions on a certain blockchain platform, they may be rewarded with new coins.

As encrypted mining for proof of work requires massive amounts of energy, there are concerns that types of encryption that rely on proof of work may be harmful to the environment.

Why has cryptocurrency become so popular?

Investors are impressed by the potential of cryptocurrencies to help their value grow, in addition to the potential financial system transformation that cryptocurrency may bring. When Bitcoin was first launched in January 2009, few imagined that its value would rise and it would gain so much popularity. 

In just 13 years, the cryptocurrency has gone from a financial novelty to a new market sector worth trillions.

But not only the value of cryptocurrencies and tokens has captured the attention of investors, many forms of encryption are created as part of larger digital platforms that are part of the DeFi or decentralized finance movement. 

There are new investments that rely on cryptocurrencies and new channels for global transactions, as well as many other innovations from smart contracts to non-fungible tokens.

Although cryptocurrencies are still largely unregulated, there is a growing sense that the door has been opened to a large number of opportunities and new technologies.

In 2008, an individual or group of individuals under the pseudonym Satoshi Nakamoto published a paper titled.

What is Bitcoin

Blockchain Technology and Cryptocurrency
Cryptocurrency and Blockchain Technology

Bitcoin is a decentralized digital currency that allows for peer-to-peer transactions without the need for intermediaries like banks or payment processors. It was created in 2009 by an unknown person or group using the pseudonym Satoshi Nakamoto. 

Bitcoin transactions are recorded on a public ledger called the blockchain, which uses cryptography to ensure the security and integrity of the network. The total supply of Bitcoin is limited to 21 million coins, with new coins released through a process called mining. Bitcoin has gained popularity as a form of investment, with its value fluctuating based on market demand.

In 2008, an individual or a group of individuals using the pseudonym Satoshi Nakamoto published a paper titled "Bitcoin: A Peer-to-Peer Electronic Cash System". This was not the first attempt at creating a digital currency (there were many attempts in previous decades), but it was perhaps the first to propose a system for electronic transactions based on a peer-to-peer network using blockchain technology. 

This innovative approach also solved a persistent problem in digital currencies, known as the double-spending problem or the risk of digital currency hacking and spending it more than once.How can you acquire Bitcoin?

There are several different ways to purchase Bitcoin.
  • Digital currency exchanges: You can trade cryptocurrencies including Bitcoin on centralized, decentralized, or hybrid exchanges, all you need is a crypto wallet to store your Bitcoin.
  • ATMs: There are several thousand cryptocurrency ATMs where you can purchase Bitcoin. Unlike traditional ATMs, you can't withdraw actual cash from these machines, you can only perform digital transactions over the blockchain.
  • Brokers: An increasing number of brokers now allow you to buy and sell cryptocurrencies.

Pros and Cons of Bitcoin

Bitcoin may be one of the oldest and most well-known forms of cryptocurrency, but it comes with its advantages and disadvantages.

  • Market Cap: The crypto market contains thousands of digital currencies, but Bitcoin surpasses them all, with a market cap exceeding $1.1 trillion as of November 15, 2021.
  • Volatility: In 2021 alone, the value of Bitcoin ranged from around $29,000 on January 1 to $64,000 in mid-April, dropping to around $26,600 in late July and rising to around $64,000 again as of November 15. The value can fluctuate by thousands.
  • Regulation and Use: Inconsistency in regulations governing cryptocurrencies has limited their use around the world. However, the number of merchants accepting Bitcoin is increasing, and it is being used as a store of value by some investors.
  • Decentralized: Bitcoin operates on a decentralized platform, which means that no central authority controls it.
  • Limited supply: There is a finite supply of Bitcoin, which means that its value can potentially increase over time.
  • Volatility: The value of Bitcoin is highly volatile and can fluctuate dramatically in a short period of time.
  • Risky: Investing in Bitcoin is considered risky due to its volatility and lack of regulation.
  • Accessibility: While it is relatively easy to purchase Bitcoin, it is still not widely accepted as a means of payment in most places.

How to Benefit of Blockchain

This is one of the questions that many Arab youth have started asking recently, and if you are one of them, let me congratulate you for also asking this question.

In fact, anything new that happens in the world of technology carries with it many opportunities that intelligent people can exploit to improve their lives. When we specifically talk about blockchain, it carries a lot of opportunities in different directions and aspects.

Here are some ways you can benefit from the world of blockchain:

1. Learn this technology and open up job opportunities for yourself 

Blockchain is a new technology that is still in its infancy, but according to what we see and hear every day, it seems that this world is expanding and growing every day. This will of course open up huge opportunities for many young people in the field of programming this technology and developing it.

Many companies in the future will need programmers to program software and applications using blockchain technology. So, if you learn and master this technology, you will ensure yourself a job opportunity that will have an excellent return.

In this regard, let me share with you some courses through which you can learn blockchain:

2. Benefit of Available Methods to Profit from Digital Currency

There are many available methods now that you can use to profit from digital currencies, and here are the most important ones:

A) Investing in digital currency

In short, this is done by buying digital currencies when their prices are low, and waiting for their prices to rise and then selling them to achieve a profit margin. Investing in new digital currencies is one of the best and cheapest investment methods.

B) Digital Currency Trading 

Trading differs slightly from investing, as investing is mostly long-term and is done by purchasing currencies and waiting for their price to rise before selling (similar to real estate trading, for example).

Trading, on the other hand, is a quick buying and selling process of digital currencies to achieve quick profits due to the daily fluctuations that occur in the digital currency market. A trader can perform dozens of buying and selling transactions within a single day.

C) Digital Currency Mining 

Digital currency mining is one of the very profitable fields, and there are thousands around the world who make huge profits from it. Digital currency mining is essentially participating in maintaining and preserving the currency system and solving its mathematical equations in exchange for obtaining new digital currencies generated by the system for participants.

Digital currency mining requires special computer hardware and a lot of electricity, and competition in this field has become very high in recent times, as many have entered the mining industry, and since the digital currencies generated and awarded to miners are limited, the more miners there are, the smaller each one's share becomes.

It is worth mentioning that there is a type of mining called cloud mining, through which you can participate in the mining process and make profits by renting remote mining devices and paying fees to the company that owns the devices.

3. Start your own Project Based on Blockchain Technology

I have told you more than once that cryptocurrencies are just the firstborn of blockchain technology, but in fact, they are just the beginning. In the future, experts expect the entire internet world to shift to blockchain, which they call web3, or the third generation of the World Wide Web.

Opportunities here can be discussed in books and folders, where applications in everything you can imagine are built on blockchain technology, including social networking applications, learning applications, smart contract applications, economic transactions, and anything else you can imagine.

Why not learn blockchain programming and develop your own application through it?!

4. Using blockchain technology in your company or existing project

This way of benefiting from blockchain is for business owners or large projects who want to benefit from blockchain applications in their business.

Blockchain can give your company a more secure and protected database system, as well as speed, and it can provide you with facilities in financial transactions, contracts, deals, and many other things.

Whether it's a company in the health, financial, technological, or any other field, you will find blockchain technology applications that can take you to another level of development and growth.


Blockchain technology represents a new revolution in the world of finance, and over the past period, it has proven its ability to withstand tests and continue to exist. With time, the number of users increases, which necessarily works in favor of its continuity in the future.

With time, other uses have also emerged, such as the ability to create smart contracts, and who knows, perhaps in the near future, more uses and applications will emerge that make it an essential element in our lives.

In any case, blockchain is a new technological system that is neither good nor bad, but it is simply a system that holds a new perspective on old things.

In the end, I hope that the idea has become clear to you. I would also be happy to share your thoughts in the comments below the article, and if you liked the article and found it valuable enough to share, please share it with your friends.

Imead Rmouche
By : Imead Rmouche
Programmer and developer of websites. I have been working in the fields of print-on-demand as a designer since 2019. I have entered into many fields of business and profit online , and I strive to be a part of foreign technical content in an effort to enrich this content in various fields.

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