You Bought the S&P 500… What Next? (Part 2)
A Beginner’s Guide to Cryptocurrency, Bitcoin and Digital Assets
Last week, I wrote about building beyond a traditional global equity portfolio and introduced ideas like thematic investing and future-focused growth opportunities.
Another area that continues to attract enormous attention from investors, institutions and governments alike is:
Cryptocurrency and digital assets.
And whether you love it, hate it or still don’t fully understand it…
it’s becoming increasingly difficult to ignore.
Today:
crypto wallets exist,
crypto exchanges operate globally,
asset managers offer listed crypto investment products,
governments are discussing regulation,
and major financial institutions are exploring blockchain technology and tokenisation.
So rather than focusing on hype or speculation, I want to answer a simpler question:
What actually is cryptocurrency, why was Bitcoin created, and why does this space matter?
It Started With Bitcoin ₿
To understand crypto, you really have to start with Bitcoin.
Bitcoin was created in 2008 by someone using the name:
Satoshi Nakamoto.
To this day, nobody truly knows who Satoshi is.
In 2008, during the global financial crisis, Satoshi released a document called:
Bitcoin: A Peer-to-Peer Electronic Cash System.
Trust in banks and financial institutions had been heavily damaged after the financial crisis.
Bitcoin introduced a radical idea:
What if money could exist digitally without needing a bank or central authority controlling it?
That was the breakthrough.
Centralised vs Decentralised Systems 🏦 vs 🌐
In traditional finance:
banks process payments,
governments issue currency,
and institutions keep records.
There is usually a middleman.
Bitcoin works differently.
Instead of one central authority controlling the system, transactions are verified across thousands of computers globally.
No single person controls Bitcoin.
No central bank can print more of it.
That’s what made Bitcoin so revolutionary.
What Is Blockchain? ⛓️
People often use the words blockchain and cryptocurrency interchangeably, but they are not exactly the same thing.
Blockchain is the underlying technology.
Cryptocurrencies are one application built on top of that technology.
In simple terms:
blockchain is the infrastructure,
crypto is one use case.
A blockchain is essentially a digital ledger:
distributed,
transparent,
and extremely difficult to alter.
That’s why blockchain technology became the backbone of many digital asset systems and applications.
So… Is Bitcoin Just Digital Money? 💰
Originally, Bitcoin was mainly designed as a digital payment system.
But over time, many investors began treating it more like:
digital gold,
a store of value,
or an alternative asset.
One reason is scarcity.
Only 21 million Bitcoin will ever exist.
And unlike traditional currencies, new Bitcoin issuance slows over time through something called:
“the halving.”
Roughly every four years, the amount of new Bitcoin entering circulation gets cut in half.
Supporters believe this helps protect Bitcoin from:
inflation,
excessive money creation,
and currency debasement.
Debasement risk simply means:
the risk that money loses value over time because more currency is continually created.
This is one of the main reasons some investors are attracted to Bitcoin.
“But Doesn’t Bitcoin Have No Intrinsic Value?” 💵
One of the biggest criticisms of Bitcoin is:
“It has no intrinsic value.”
But supporters often respond with another question:
“Does modern fiat currency?”
Fiat currency simply means government-issued money like:
pounds,
dollars,
or euros.
Historically, currencies were linked to gold reserves under systems like the gold standard and later Bretton Woods.
Over time, countries moved away from gold-backed systems because governments wanted more flexibility over monetary policy during:
wars,
recessions,
and financial crises.
Today, modern currencies largely derive value from:
trust,
government backing,
and confidence in the economy.
Bitcoin supporters argue Bitcoin offers an alternative system:
one with fixed supply,
no central authority,
and lower debasement risk.
Critics argue Bitcoin remains:
too volatile,
too speculative,
and too unstable to function effectively as money.
And that debate continues today.
Then Came Ethereum ⚡
After Bitcoin, developers realised blockchain technology could potentially do far more than just transfer money.
That led to the creation of Ethereum in 2015.
Ethereum introduced smart contracts:
programs that automatically execute when certain conditions are met.
This opened the door to:
decentralised finance (DeFi),
NFTs,
tokenisation,
and blockchain-based applications.
If Bitcoin focused mainly on digital money…
Ethereum expanded the idea into digital infrastructure.
Crypto Isn’t Just Bitcoin Anymore 🌍
Today, the crypto market includes thousands of digital assets.
Some focus on payments, infrastructure, smart contracts, AI or decentralised finance.
But this also creates huge risks.
Not every cryptocurrency has genuine utility or long-term value.
Some are highly speculative “meme coins”, often driven more by:
internet culture,
social media hype,
and speculation.
One of the most famous examples is:
Dogecoin.
This is one reason crypto markets can be extremely volatile and open to manipulation.
Despite this, the market remains heavily concentrated in a small number of major cryptocurrencies.
According to CoinGecko data at the time of writing:
Bitcoin represents roughly 58–59% of the crypto market
Ethereum around 9–10%
BNB around 3%
XRP around 3%
Solana around 2–3%
Crypto Is Now a Multi-Trillion-Dollar Asset Class 📈
According to CoinGecko, the cryptocurrency market is currently worth more than:
$2.6 trillion globally
(at the time of writing)
At its peak, the market briefly exceeded:
$3 trillion.
That’s important because many people still think crypto is tiny or niche.
But in reality, crypto has grown from a niche technology idea into a multi-trillion-dollar global market.
For context, the global stock market is estimated to be worth more than:
$150 trillion.
So while crypto is still much smaller than traditional financial markets, it is now too large for investors, institutions and governments to completely ignore.
This is one reason crypto is increasingly being discussed within:
multi-asset portfolios,
institutional investing,
and modern portfolio construction.
At the same time, digital assets still tend to represent a relatively small allocation in most diversified portfolios.
Some research frameworks suggest crypto may represent roughly:
1–3% of a diversified multi-asset portfolio.
In other words:
Crypto has become large enough to matter…
but still small enough that it remains a satellite allocation rather than the core of most portfolios.
Stablecoins Could Become One of Crypto’s Biggest Real-World Use Cases 💵
Not all cryptocurrencies are designed to rise massively in price.
Stablecoins are digital assets designed to track stable currencies like the US dollar.
Examples include:
Tether (USDT)
USD Coin (USDC)
These are increasingly being used for:
payments,
transfers,
trading,
and settlement.
And in some emerging markets, stablecoins are becoming increasingly important because they can provide access to:
dollar-based savings,
faster payments,
and financial systems outside unstable local currencies.
For people living in countries experiencing:
high inflation,
currency instability,
or capital controls,
stablecoins can sometimes offer a more stable alternative than holding local currency.
This is one reason many people believe stablecoins could become one of the biggest real-world blockchain use cases.
What Is Tokenisation? 🪙
Tokenisation is another area gaining attention.
The idea is simple:
Real-world assets could potentially be represented digitally on a blockchain.
For example:
stocks,
bonds,
property,
or funds
could theoretically be “tokenised”.
Years ago, ownership relied heavily on:
paper certificates,
physical deeds,
and manual record keeping.
Over time, finance became increasingly digital.
Tokenisation is arguably the next evolution of that process:
a digital way of recording and verifying ownership of assets.
How Do People Invest in Crypto Today?📱
Today, investors can access crypto in several ways.
Some buy directly through:
Coinbase,
Kraken,
Binance,
or wallets.
Others prefer listed investment products.
In Europe and the UK, crypto exposure is more commonly accessed through:
ETPs,
ETCs,
or ETNs
rather than US-style spot Bitcoin ETFs.
The underlying exposure is broadly similar, but the legal wrappers differ depending on regulation.
For many traditional investors, these products provide a simpler way to access crypto without managing wallets or private keys directly.
Crypto Isn’t Without Risk ⚠️
It’s important to keep balance when discussing crypto.
The industry has also faced:
fraud,
scams,
exchange collapses,
tax evasion concerns,
and illicit activity.
Because crypto can move across borders and outside traditional banking systems, regulators globally continue trying to determine:
how it should be supervised,
taxed,
and integrated into the financial system.
Like cash, crypto can be used both legitimately and illegitimately.
So… Where Does Crypto Fit in a Portfolio? 🏗️
This is where opinions vary massively.
Crypto is still:
volatile,
speculative,
and evolving.
But some investors view digital assets as:
an alternative asset,
a long-term innovation opportunity,
or a small satellite allocation alongside traditional portfolios.
Importantly:
most investors are not replacing their core portfolio with crypto.
Instead, some treat digital assets as:
a higher-risk,
future-focused,
satellite allocation around a diversified core portfolio.
Final Thoughts 🌍
Crypto is still early.
And there are still huge unanswered questions around:
regulation,
adoption,
scalability,
valuation,
and long-term use cases.
Some projects will likely fail.
Some may completely disappear.
But blockchain and digital assets have already pushed the financial world to rethink:
money,
ownership,
payments,
and digital infrastructure.
Whether crypto ultimately becomes transformational or not…
it is no longer something investors can simply ignore.
