### Understanding Key Cryptocurrency Terms: Bitcoin to XRP
In recent years, the cryptocurrency market has surged, captivating the interest of both seasoned investors and novices alike. As major cryptocurrencies like Bitcoin soared to unprecedented prices—reaching a staggering high of $120,000 (£89,000)—the dialogue surrounding digital currencies has intensified significantly. Influences such as US President Donald Trump’s positive stance towards cryptocurrency have further contributed to this trend. However, for many, the landscape of cryptocurrencies remains daunting, filled with terminologies, concepts, and technologies that can be hard to grasp.
Cryptocurrency enthusiasts and beginners alike often encounter confusing terms like blockchain, ETFs, and cold wallets. To demystify this complex market, we’ve compiled an overview of some of the critical terms associated with cryptocurrencies, starting with Bitcoin.
#### Bitcoin
Established as the most recognized cryptocurrency, Bitcoin was introduced in 2009 by an anonymous person or group under the pseudonym Satoshi Nakamoto. Bitcoin operates as a digital currency—unlike traditional currency, it is not governed by centralized financial institutions or governments. This decentralization is appealing as it offers users a form of financial autonomy. However, Bitcoin’s volatility remains a significant concern, where values can fluctuate dramatically due to market demand.
Under Trump’s administration, the US positioned itself to become the “crypto capital of the world,” after labelling Bitcoin a “scam” in earlier years. In December 2024, Bitcoin prices eclipsed the crucial $100,000 mark, escalating to $120,000 in mid-July 2025. Such rapid increases are often coupled with equivalent declines, showcasing the volatile nature of cryptocurrencies.
#### Blockchain
Blockchain is the underlying technology that supports all cryptocurrencies, functioning as a decentralized ledger that records all transactions across a network. Each transaction is placed in a “block,” and these blocks collectively form a chain—hence the name “blockchain.” The transparency and security provided by blockchain technology offer a reliable way to track and verify crypto transactions through a large network of volunteer verifiers using sophisticated computer programs.
The process of transaction validation, known as mining, rewards individuals with Bitcoin upon successful verification, yet it has drawn criticism for its substantial energy consumption.
#### Bitcoin Halving
An important concept within the Bitcoin ecosystem is the “halving,” which occurs approximately every four years. As Bitcoin holds a maximum supply cap of 21 million coins, halving events decrease the block reward for miners—increasing scarcity. The latest halving took place on April 20, 2024, reducing the reward from 6.25 to 3.125 Bitcoin. While this strategy effectively prolongs Bitcoin’s availability, it prompts questions about the economic viability for miners amidst rising operational costs.
#### Crypto Exchange
A cryptocurrency exchange serves as a digital platform for buying, selling, and trading cryptocurrencies. Much like a traditional stockbroker, it allows users to trade fiat currencies, such as pounds or dollars, for digital currencies like Bitcoin and Ethereum. Transactions on these platforms typically involve fees, which can vary significantly depending on the exchange.
#### Crypto Wallet
Investors use crypto wallets to store their digital assets. These wallets are categorized into two types: hot wallets and cold wallets. Hot wallets are internet-connected, enabling quick and easy access, while cold wallets—such as hardware devices—are offline and offer greater security for long-term storage.
#### Ethereum
Following Bitcoin, Ethereum represents the second-largest cryptocurrency by market capitalization, using the Ether token. Ethereum is not only a currency but also supports a blockchain that enables diverse applications, including non-fungible tokens (NFTs). Transitioning to a more environmentally friendly model in 2022, Ethereum’s network became less energy-intensive compared to its predecessors.
#### Exchange-traded Funds (ETFs)
ETFs provide a way for investors to bet on various assets without holding the assets themselves. A spot Bitcoin ETF purchases cryptocurrency at market prices throughout the day, allowing investors to engage with Bitcoin without the complexities of managing digital wallets or exchanges. Approval of several spot Bitcoin ETFs in 2024 has opened new avenues for institutional investors.
#### Meme Coins
While often viewed as speculative, meme coins are cryptocurrencies driven by social media trends and internet memes. These coins can experience dramatic price shifts based on popularity but are frequently criticized for their lack of inherent value and potential for scams.
#### Stablecoins
True to their name, stablecoins are designed to maintain a steady value by pegging them to established assets, such as fiat currencies. Despite being marketed as stable investments, high-profile failures have raised red flags regarding their reliability and stability in the market.
#### XRP
Launched by Ripple Labs in 2012, XRP has gained recognition for its low-cost, efficient transaction method. With a fixed supply of 100 billion coins, transactions using XRP are confirmed through consensus, making them quicker and more cost-effective compared to Bitcoin. However, XRP has not been exempt from regulatory scrutiny and market volatility.
These foundational concepts play an essential role in understanding