Is cryptocurrency worth investing in is a question most articles answer with either blind enthusiasm or blanket dismissal. Neither extreme is honest. This guide answers it properly, using the actual academic research behind digital assets rather than hype from either side of the debate.
If you’ve heard the terms Bitcoin, blockchain, and crypto for years without ever getting a straight verdict on whether it belongs in your portfolio, this is that verdict built from evidence, not opinion.
First, What Is Cryptocurrency? A Quick Definition
A cryptocurrency is a form of digital money that lets people send payments directly to each other online, without going through a bank or any other financial institution.
That single feature removing the middleman is the entire reason cryptocurrency exists. Satoshi Nakamoto, the pseudonymous creator of Bitcoin, published the original concept in 2008 as “a peer-to-peer electronic cash system.” No central bank issues it. No government backs it. No company controls it.
This makes cryptocurrency fundamentally different from every other financial asset you’ve likely encountered:
- It has no connection to any government or central authority
- It has no physical form – no coins, no notes, nothing you can hold
- It can be divided into extremely small units (a single Bitcoin can be split into 100 million pieces called satoshis)
- Its value doesn’t depend on a company’s profits, a government’s economy, or any tangible backing asset – it depends entirely on the security of the underlying computer network that verifies transactions
That last point is the one most beginners find hardest to accept. A share of Apple stock represents a claim on a real company with real revenue. A cryptocurrency represents nothing except the trust that a decentralized computer network will keep functioning and that other people will continue to value the same digital tokens you do.
How Cryptocurrency Actually Works: The Blockchain
Every cryptocurrency runs on a blockchain – a continuously growing digital record of every transaction ever made, copied across thousands of computers around the world simultaneously.
Here’s why that matters. In a traditional bank transfer, one central database tracks who owns what money. If that database gets hacked or corrupted, the whole system is compromised. A blockchain removes that single point of failure by storing an identical copy of the transaction history on thousands of independent computers (called nodes) at once.
For someone to falsify a transaction, they would need to simultaneously alter the copy stored on the majority of all those computers at exactly the same time – a task that becomes exponentially harder as more computers join the network. This distributed structure is what gives blockchain-based systems their resilience against fraud and single points of failure.
New transactions get grouped into “blocks.” Each block gets verified by the network and permanently linked to the previous block, forming an unbroken chain stretching back to the very first transaction. This is where the name “blockchain” comes from.
Bitcoin’s Actual Growth: The Numbers That Explain the Hype
Numbers explain the fascination with cryptocurrency better than any argument. Here’s what actually happened.
Table 1: Bitcoin’s Historic Price and Market Cap Growth
| Period | Bitcoin Price | Market Capitalization |
|---|---|---|
| October 2016 | $616 | $10.1 billion |
| October 2017 | $4,800 | $79.7 billion |
| December 2017 (peak) | $19,500 | — |
| Total combined crypto market (2019) | — | ~$190 billio |
Between October 2016 and October 2017 alone, Bitcoin’s price rose from $616 to $4,800 – a return of roughly 680% in a single year. No traditional asset class has produced comparable returns with that consistency over that specific window.
But the same numbers that made early holders wealthy also demonstrate the extreme risk. 2017 was, at the time, the least volatile year for the S&P 500 since 1964 – just 6.8% realized volatility for the entire year. Bitcoin, during that same period, was measured at more than 12 times more volatile than the S&P 500.
That comparison matters more than the price chart. A traditional stock index moving 6.8% for a year is calm. Bitcoin moving at 12 times that volatility means dramatic swings were the norm, not the exception, even during its strongest growth period.
The 3 Categories of Crypto-Assets
Not all cryptocurrencies work the same way or serve the same purpose. Academic research on the crypto market breaks digital assets into 3 distinct categories, and understanding this distinction clears up a lot of beginner confusion.
Table 2: The 3 Categories of Crypto-Assets
| Category | What It Does | Examples |
|---|---|---|
| Cryptocurrencies | Can be transferred between users and used as payment, with no additional features | Bitcoin, Litecoin |
| Crypto securities | Also carries a claim to future payments, similar to owning a share of profits | Certain tokenized investment products |
| Crypto utility assets | Can be exchanged for or used to access specific predefined services | Tokens tied to a specific platform or service |
This classification matters enormously for regulation. Global regulators have to decide whether a given crypto-asset should be treated like electronic money, a security (similar to a stock), or an entirely separate category of financial instrument. That classification determines what investor protections apply and what disclosure requirements the issuer must meet.
Floating Cryptocurrencies vs Stablecoins
Within the cryptocurrency category itself, there’s another critical split that most beginners never learn.
Floating cryptocurrencies have a fixed or algorithmically determined supply, and their price is set entirely by market trading. Bitcoin and Ethereum both work this way. Nobody controls the price – it moves based purely on what buyers and sellers agree to.
Stablecoins work the opposite way. Their supply is actively adjusted by the issuer, using software or financial reserves, specifically to keep the price pegged to something stable – usually the US dollar. Tether (USDT) is the most widely used example.
Table 3: Floating Cryptocurrencies vs Stablecoins
| Factor | Floating Cryptocurrencies | Stablecoins |
|---|---|---|
| Price determination | Pure market supply and demand | Actively managed to hold a peg |
| Volatility | High | Low (by design) |
| Examples | Bitcoin, Ethereum | Tether, USD Coin |
| Primary use case | Speculative investment, store of value | Trading, transfers, avoiding volatility |
| Backing | None beyond network trust | Reserves or algorithmic mechanisms |
This is worth understanding before you buy anything. If you’re buying a floating cryptocurrency, you’re accepting significant price risk in exchange for potential growth. If you’re buying a stablecoin, you’re essentially parking money in a digital dollar substitute – no growth potential, but also none of the wild volatility.
What Actually Gives Cryptocurrency Its Value?
This is the question that trips up even experienced investors, because the honest answer is more complicated than any single explanation.
Academic researchers have proposed several competing theories, and none of them fully explains crypto valuation on their own.
The mining cost theory. Producing new cryptocurrency units requires computational work -“mining” – which consumes real electricity and computing time. Some researchers argue this cost sets a floor for value. But the cost one individual miner incurs doesn’t automatically justify the value other people assign to the resulting coin. This theory only partially explains the picture.
The speculative bubble theory. Some economists argue that cryptocurrency prices are driven primarily by speculation – people buying because they expect the price to keep rising, which itself pushes the price higher, in a self-reinforcing cycle. This is a well-documented pattern in financial history (tulip mania, dot-com stocks), but it doesn’t explain why crypto’s “bubble” has persisted and partially recovered multiple times over more than a decade, unlike most historical bubbles that collapsed permanently.
The privacy and confidentiality theory. Much of the research suggests that the value of a cryptocurrency correlates strongly with how much its users value transactional privacy. Traditional bank transfers are fully traceable by financial institutions and governments. Cryptocurrency transactions, while recorded on a public ledger, don’t automatically reveal the real-world identity behind a wallet address. For users who place a high value on avoiding financial surveillance, this feature alone creates real demand – separate from any speculative motive.
The technology and trend appeal. A portion of demand comes simply from people wanting to participate in new technology, or from social pressure to hold what others are discussing. Researchers note this factor tends to be more short-lived than the privacy motivation, since novelty fades but the desire for confidentiality doesn’t.
The honest conclusion from the research: cryptocurrency value is likely driven by a combination of all 4 factors, with privacy and confidentiality appearing to be the most durable long-term driver, and speculation and trend-following explaining much of the extreme short-term volatility.
The Cryptocurrency Exchange Ecosystem
You cannot buy Bitcoin directly from Bitcoin. You need a cryptocurrency exchange – a platform where users register, deposit money, and trade crypto-assets against each other or against traditional currencies like the US dollar or British pound.
The rise of these exchanges was the critical step that made cryptocurrency accessible to ordinary investors rather than just technically sophisticated early adopters. Roughly three-quarters of major exchanges now support trading in 2 or more cryptocurrencies, and the US dollar and British pound are among the most common currencies traded against crypto assets globally.
Around these exchanges, a wider ecosystem has developed: services that provide liquidity (ensuring there’s always a buyer or seller available), arbitrage traders who profit from tiny price differences between exchanges, and a growing base of tools aimed at both casual and professional cryptocurrency investors.
For a US or UK beginner, this means opening an account with a regulated exchange, verifying your identity (required by law in both countries), depositing funds via bank transfer or card, and then buying whichever cryptocurrency you’ve decided to hold.
Is Cryptocurrency Worth Investing In? The Honest Framework
Here’s where most crypto content fails you – it either oversells the opportunity or dismisses it entirely. Neither extreme is honest.
The case for considering cryptocurrency:
Cryptocurrencies have demonstrated genuine, sustained market growth over more than a decade, moving from a niche technical experiment to a combined market worth hundreds of billions of dollars. Institutional adoption has increased meaningfully – hedge funds and asset managers have begun including crypto-related assets in portfolios and trading strategies, which was not the case in crypto’s early years. The underlying blockchain technology has legitimate, non-speculative applications beyond just currency, in areas like supply chain verification and secure record-keeping.
The case for caution:
The extreme volatility documented in the research – Bitcoin at 12 times the volatility of the S&P 500 during even a “good” year – is not a temporary phase. It’s a structural feature of an asset with no earnings, no dividends, and no underlying cash flows to anchor its value. Unlike a stock, there is no accepted valuation model to determine whether a cryptocurrency is cheap or expensive at any given price – you cannot calculate a P/E ratio or discounted cash flow value for Bitcoin the way you can for a company. Regulatory uncertainty remains genuinely unresolved in both the US and UK, and rule changes can move prices dramatically overnight. Academic research on this market identifies significant gaps in understanding, meaning even the experts studying this space acknowledge how much remains unknown.
A reasonable framework for a first-time investor:
If you choose to hold cryptocurrency, treat it as a small, clearly bounded portion of your overall portfolio – most financial planners who address the topic suggest no more than 5% of investable assets, and many suggest less for conservative investors. Never invest money you can’t afford to lose entirely, given that individual cryptocurrencies have gone to zero before and will again. Build your core portfolio first – the index funds, Roth IRA, and 401(k) foundations covered elsewhere on this site – before considering any cryptocurrency allocation at all.
Cryptocurrency is not inherently a scam, and it is not inherently a guaranteed path to wealth. It is a genuinely new, still-evolving asset class with real technological substance, real institutional interest, and real risk that most other assets in a beginner’s portfolio simply don’t carry.
Is Cryptocurrency Worth Investing In? The Honest Framework
Here’s where most crypto content fails you – it either oversells the opportunity or dismisses it entirely. Neither extreme is honest.
The case for considering cryptocurrency:
Cryptocurrencies have demonstrated genuine, sustained market growth over more than a decade, moving from a niche technical experiment to a combined market worth hundreds of billions of dollars. Institutional adoption has increased meaningfully – hedge funds and asset managers have begun including crypto-related assets in portfolios and trading strategies, which was not the case in crypto’s early years. The underlying blockchain technology has legitimate, non-speculative applications beyond just currency, in areas like supply chain verification and secure record-keeping.
The case for caution:
The extreme volatility documented in the research – Bitcoin at 12 times the volatility of the S&P 500 during even a “good” year – is not a temporary phase. It’s a structural feature of an asset with no earnings, no dividends, and no underlying cash flows to anchor its value. Unlike a stock, there is no accepted valuation model to determine whether a cryptocurrency is cheap or expensive at any given price – you cannot calculate a P/E ratio or discounted cash flow value for Bitcoin the way you can for a company. Regulatory uncertainty remains genuinely unresolved in both the US and UK, and rule changes can move prices dramatically overnight. Academic research on this market identifies significant gaps in understanding, meaning even the experts studying this space acknowledge how much remains unknown.
A reasonable framework for a first-time investor:
If you choose to hold cryptocurrency, treat it as a small, clearly bounded portion of your overall portfolio – most financial planners who address the topic suggest no more than 5% of investable assets, and many suggest less for conservative investors. Never invest money you can’t afford to lose entirely, given that individual cryptocurrencies have gone to zero before and will again. Build your core portfolio first – the index funds, Roth IRA, and 401(k) foundations covered elsewhere on this site — before considering any cryptocurrency allocation at all.
Cryptocurrency is not inherently a scam, and it is not inherently a guaranteed path to wealth. It is a genuinely new, still-evolving asset class with real technological substance, real institutional interest, and real risk that most other assets in a beginner’s portfolio simply don’t carry.
Frequently Asked Questions
What is cryptocurrency in simple terms?
Cryptocurrency is digital money that lets people send payments directly to each other online without a bank or government involved. It runs on a blockchain – a shared digital record copied across thousands of computers – which verifies and secures every transaction without a central authority controlling the system.
Is cryptocurrency a good investment for beginners?
It can be part of a portfolio, but only after building a solid foundation of tax-advantaged retirement accounts and diversified index funds first. Academic research consistently shows cryptocurrency carries volatility many times higher than traditional stock indexes, with no earnings or cash flow to anchor its value. Most financial planners who address the topic suggest limiting any crypto allocation to a small percentage of your total investable assets.
What is the difference between Bitcoin and other cryptocurrencies?
Bitcoin was the first cryptocurrency and remains the largest by market capitalization, often referred to as the market’s benchmark asset. Other cryptocurrencies like Ethereum, Litecoin, and Ripple have different technical designs and purposes – Ethereum, for example, supports programmable smart contracts beyond simple payments. Over 1,000 different cryptocurrencies now exist, though a small number account for the vast majority of total market value.
What is a stablecoin and how is it different from Bitcoin?
A stablecoin is a cryptocurrency designed to maintain a stable price, usually pegged to the US dollar, through reserves or algorithmic supply adjustments. Bitcoin has no such mechanism – its price floats freely based purely on market supply and demand, which is why Bitcoin can be dramatically more volatile than a stablecoin like Tether.
Why is cryptocurrency so volatile compared to stocks?
Unlike stocks, cryptocurrencies have no earnings, dividends, or company fundamentals to anchor their valuation. Prices are driven by market sentiment, speculation, and demand for features like transactional privacy, without any agreed-upon method to calculate whether an asset is fairly valued. Research comparing 2017 found Bitcoin was more than 12 times more volatile than the S&P 500 during one of the stock market’s calmest years on record.
How do I safely buy cryptocurrency as a beginner in the US or UK?
Use a regulated cryptocurrency exchange that complies with local financial regulations, verify your identity as required by law, and enable two-factor authentication on your account. Understand that cryptocurrency held on an exchange typically isn’t protected by deposit insurance schemes like FDIC in the US or FSCS in the UK, unlike money held in a traditional bank account.
About the Author — Jamaluddin K.A.
Jamaluddin is the founder of The First Time Investor, a US and UK-focused personal finance and investing education site. He covers stock market fundamentals, retirement accounts, and emerging asset classes like cryptocurrency for people who want research-backed information rather than hype.
Disclosure: This article is for educational purposes only and does not constitute financial advice. Cryptocurrency investments are highly volatile and carry significant risk, including the potential loss of your entire investment. Consult a licensed financial advisor before making investment decisions.