Loading ...
Advertisements

Advertisements

Cryptocurrency has recently garnered widespread attention. As cryptocurrencies continue to advance rapidly, understanding their fundamentals and operational mechanisms has become increasingly important.

This article provides an overview of cryptocurrency, the technologies it relies on, its types, and the regulatory framework in the United Kingdom.

What is Cryptocurrency?

Cryptocurrency is a form of digital currency secured by encryption. Unlike traditional currencies issued and regulated by governments, cryptocurrencies operate on a decentralised system powered by blockchain technology.

Advertisements
Advertisements

This innovation allows transactions to occur directly between buyers and sellers without the need for intermediaries like banks or payment processors.

As a result, cryptocurrencies function independently of central authorities, making them less susceptible to government interference.

Key Characteristics of Cryptocurrency

Digital Nature

Cryptocurrencies exist exclusively in digital form. They lack physical manifestations such as coins or banknotes and are accessed solely via online platforms.

Advertisements
Advertisements

Decentralisation

Most cryptocurrencies rely on decentralised networks, consisting of numerous computers (or nodes) that maintain a public ledger of transactions.

This system eliminates the need for a central governing authority.

Security

Cryptographic techniques secure transactions and regulate the creation of new cryptocurrency units. This ensures a high level of security, making cryptocurrencies difficult to counterfeit or manipulate.

Privacy

Many cryptocurrencies enable users to make transactions anonymously, a feature valued for the privacy it offers.

This level of confidentiality is often unavailable in traditional banking systems.

How Does Cryptocurrency Work?

Cryptocurrencies function using blockchain technology, a type of distributed ledger that records all transactions across a network of computers.

Each transaction is grouped into a block, which links to the preceding blocks, forming a continuous chain. This design ensures transparency and makes it nearly impossible to alter transaction records retroactively.

The Role of Miners

Mining is the process of validating and recording transactions on the blockchain. It involves solving complex mathematical problems using specialised, high-powered computers.

Miners who successfully complete these tasks are rewarded with newly generated cryptocurrency, incentivising their participation and maintaining the system’s integrity.

Example of a Transaction

To send cryptocurrency, a user enters the recipient’s public key and specifies the amount to transfer. This transaction is broadcast to the network, where miners verify its legitimacy.

Once validated, it is added to the blockchain, becoming a permanent, unchangeable record.

Types of Cryptocurrencies

There are currently over 10,000 cryptocurrencies, each with unique features and use cases. Some of the most notable include:

  • Bitcoin (BTC): Launched in 2009, Bitcoin is the first and most well-known cryptocurrency. Its stability and long-term performance have made it a popular choice among investors.
  • Ethereum (ETH): Ethereum is renowned for enabling smart contracts and decentralised applications (dApps). It is a leading platform in the cryptocurrency space, fostering innovation in blockchain technology.
  • Solana (SOL): Solana stands out for its fast transaction speeds and low costs, making it a preferred option for dApps and decentralised finance (DeFi).
  • Cardano (ADA): Cardano is a “third-generation” blockchain designed for scalability and sustainability. It supports smart contracts and dApps, with a focus on improving efficiency over earlier blockchains.
  • Polygon (MATIC): Polygon enhances Ethereum’s usability by enabling faster and cheaper transactions. Its features have made it a go-to solution for many developers.

Cryptocurrency Regulations in the UK

Cryptocurrency operates within a complex regulatory framework in the United Kingdom. While trading cryptocurrencies are legal, they are not recognised as legal tender.

The Financial Conduct Authority (FCA) oversees activities such as crypto trading platforms and Anti-Money Laundering (AML) compliance.

In 2023, the UK implemented stricter rules on advertising crypto investments, ensuring clearer communication of risks to consumers.

Additionally, the government has explored developing a central bank digital currency (CBDC), the “digital pound,” to complement the financial ecosystem.

Current Trends in Cryptocurrency

The cryptocurrency market is highly dynamic, and several key trends have emerged in November 2024:

  1. Institutional Investment Growth: Institutional investors are increasingly participating in the crypto market, reducing volatility and expanding opportunities. For instance, the approval of Bitcoin exchange-traded funds (ETFs) has opened new avenues for investment, further legitimising the industry.
  2. Rise of Decentralised Finance (DeFi): Decentralised finance platforms are gaining traction by offering financial services without intermediaries. Tokens like Chainlink (LINK) play a crucial role by connecting different blockchains within this ecosystem.
  3. Emerging Projects: Innovative projects are introducing new concepts to the market. Examples include BlockDAG (BDAG), which enhances transaction speed and scalability, and Hypeloot (HPLT), a crypto casino leveraging AI and gaming technologies. Healix (HLX) is another notable project aiming to decentralise healthcare.
  4. Market Performance: Bitcoin is nearing its annual high, bolstering investor optimism. Altcoins like Solana are also performing well, with some technologies surpassing older platforms like Ethereum in efficiency and functionality.
  5. Regulatory Developments: Governments worldwide are intensifying their scrutiny of cryptocurrencies to address fraud and market manipulation.

Is Cryptocurrency a Safe Investment?

Investing in cryptocurrency carries inherent risks. Price volatility is a major concern, as values can fluctuate dramatically within short periods. Regulatory changes can also have sudden impacts on the market.

Additionally, security breaches remain a risk, despite the robust encryption underpinning cryptocurrencies.

For some investors, cryptocurrencies represent an opportunity for significant returns, while for others, they pose the risk of substantial losses. Conducting thorough research and understanding the associated risks is essential before committing to cryptocurrency investments.

The Broader Impact of Cryptocurrency

Beyond investment, cryptocurrencies are reshaping industries:

  • Financial Inclusion: Cryptocurrencies empower unbanked populations, providing access to global markets and financial tools previously out of reach.
  • Cross-Border Payments: Companies like Ripple (XRP) are revolutionising remittances, making international transactions faster and cheaper than traditional methods.
  • Supply Chain Management: Blockchain-based cryptocurrencies enable transparent tracking of goods, ensuring authenticity and reducing fraud.

Cryptocurrencies are revolutionising the concepts of money and payment systems. Their decentralised structure, robust security features, and potential for cost-efficient, fast transactions have captured global interest.

However, their risks, including volatility and regulatory uncertainty, cannot be overlooked.

As the world becomes increasingly digitised, understanding cryptocurrency is vital for making informed financial decisions.

Whether as a means of investment or as part of a broader technological shift, cryptocurrencies are reshaping the financial landscape and will likely continue to play a pivotal role in the future of global finance.

About the author

Related content

gains tax
Thamara Hipólito September 22, 2025

How to declare (and pay) tax on investments (capital gains tax) in the UK

Learn how to declare and pay capital gains tax in the UK. Understand rules, rates, allowances, and tips to stay compliant.
private pensions
Thamara Hipólito September 15, 2025

Comparison of private pensions (SIPPs, workplace pensions, auto-enrolment): advantages, flexibility and taxation

Compare SIPPs, workplace private pensions and auto-enrolment in the UK. Discover their advantages, flexibility and tax benefits.
revolving credit
Thamara Hipólito September 1, 2025

A guide to understanding and using credit card revolving credit in the UK (avoiding high interest, negotiating rates)

Learn how to use revolving credit in the UK: avoid high interest, manage credit cards wisely, and negotiate better rates.
Struggling with rising costs? Discover practical ways UK households can save money on energy, water, broadband and more. Start reducing your monthly bills today.
Luiza Rajão August 20, 2025

How Your Financial Profile Influences Your Loan Choice (UK Guide)

Wondering which loans you can actually get in the UK? Your credit score for loan approval plays a bigger role than you think. Here's how to make it...
Interest Rates Impact Your Loan
Tercília Ribeiro July 10, 2025

How Interest Rates Impact Your Loan

Learn how interest rates impact your loan costs, monthly payments, and borrowing decisions in this simple, clear guide
UK Mortgage Rates
Tercília Ribeiro May 9, 2025

UK Mortgage Rates: Market overview

Discover UK mortgage rates: fixed, variable & tracker deals explained with tips to save, tools to compare and costs to plan your purchase wisely.