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Cryptocurrency: What It Is, Why It Matters, and Does It Belong in Your Portfolio

Written by Dennis Coon | Oct 9, 2025 10:45:00 AM

It seems like everyone’s talking about cryptocurrency these days. It’s been called the future of money, a digital gold rush, even a revolution in finance. But beneath the buzz and speculation lies a technology that’s genuinely worth understanding, even if you never buy a single coin.

The Foundation: Blockchain Technology

At its core, cryptocurrency runs on something called blockchain, and that’s where the story really begins.

Now, imagine a ledger — the kind of ledger a store owner might have used generations ago to record every sale. Now imagine that this ledger is digital, shared across thousands of computers, and automatically updated every time a transaction occurs.

No one single person or company owns it. Everyone in the network sees the same information. And once a record is made, it can’t be erased or changed. That’s the blockchain: a decentralized, transparent, and secure way to record data.

This technology has potential far beyond money — from tracking shipments and verifying contracts to protecting medical records. But its first and most famous use has been as the foundation for digital currencies.

The Next Layer: What Exactly Is Cryptocurrency?

A cryptocurrency is a digital token that operates on a blockchain. Think of it as money that exists only online — no paper, no coins, and no central authority like a bank or government backing it.

The first Bitcoin was launched in 2009, and since then, thousands of others — Ethereum, Litecoin, Dogecoin, and more — have followed. These currencies are created, traded, and verified entirely through blockchain networks.

To understand how this works, think back to Green Stamps or the tickets you might have won playing skeeball at an arcade. Those stamps and tickets had value — but only inside a certain system. You could redeem them for merchandise or prizes because everyone agreed they were worth something. Step outside that system, and they were just bits of paper.

Cryptocurrencies function much the same way. Their value depends on collective belief — what others are willing to exchange for them — not on intrinsic worth or government backing. The blockchain keeps the system honest and transparent, but it doesn’t guarantee that the “tokens” themselves will hold value over time.

Why It Matters — Even If You Never Buy Any

You don’t have to invest in cryptocurrency to feel its impact. Blockchain technology is already changing how money moves, how contracts are verified, and how data is stored.

Major financial institutions, tech firms, and even central banks are exploring blockchain for faster, more secure transactions. You may never own Bitcoin, but one day you might use blockchain technology without realizing it — to transfer funds, prove ownership, or sign legal documents digitally.

That’s why understanding it matters. It’s not just about crypto — it’s about how technology is reshaping the world.

Investment or Speculation? Let’s Be Honest.

Here’s the real question: Is cryptocurrency a legitimate investment, or just a speculative bet?

At this point, it leans heavily toward speculation.

  • It doesn’t generate income. Stocks represent ownership in companies that produce profits. Bonds pay interest. Real estate provides rent. Cryptocurrency produces none of these — its value depends entirely on what someone else is willing to pay.

  • It’s extremely volatile. Bitcoin and other cryptocurrencies can rise or fall by double digits in a single day. That’s not a pattern you can build a retirement plan around.

  • It’s still unproven and unregulated. Governments and financial institutions are still figuring out how to treat it. New rules could change the landscape overnight.

That doesn’t make crypto meaningless — it just means it’s not yet a reliable investment. The technology behind it may shape the future, but the coins themselves are still more speculation than strategy.

The Takeaway

Understanding cryptocurrency isn’t about chasing quick profits — it’s about keeping perspective. The technology behind it could reshape parts of our economy, but the tokens behave more like arcade tickets than like stocks or bonds: they only have value as long as others agree to keep playing the same game.

Curiosity is smart. Caution is smarter. You don’t have to ignore crypto, but you do need to understand what it is  and what it isn’t.