What Is Bitcoin?
Bitcoin is a digital currency—more specifically, a decentralized digital currency that allows people to send and receive value without the need for a bank or payment processor. It was created in 2009 by an unknown individual (or group) under the pseudonym Satoshi Nakamoto. Unlike the U.S. dollar, Bitcoin isn’t issued by a central bank or backed by a government. It runs on software, mathematics, and a global network of computers.
At its core, Bitcoin was designed to be:
– Decentralized (no single point of control),
– Limited in supply (only 21 million will ever exist),
– Secure (uses cryptography and robust computer networks),
– Transparent (transactions are recorded publicly on a ledger called the blockchain).
1. The Blockchain: Bitcoin’s Public Ledger
Think of the blockchain as Bitcoin’s version of a checkbook. It’s a public ledger that contains a record of every transaction ever made with Bitcoin.
Every time someone sends or receives Bitcoin, that transaction is recorded in a “block.” Blocks are linked together in chronological order to form a chain of blocks—hence the name “blockchain.”
Here’s why this matters:
– Transparency: Anyone can view the blockchain. You can see transactions, but you can’t see personal info like names or addresses.
– Permanence: Once a transaction is added to the blockchain, it can’t be deleted or changed.
– Auditability: Because the ledger is public and permanent, it can be used to verify the authenticity of payments or balances.
For small business owners who care about financial accountability, the blockchain offers something familiar—clear, auditable records—with the added twist of being fully digital and decentralized.
2. Bitcoin Addresses and Private Keys: Security by Design
What makes Bitcoin uniquely secure is its use of private keys. A private key is a long, randomly generated number that allows you to access and control the Bitcoin in your wallet. Think of it like the master key to a safe.
Here’s why it’s so secure:
– Bitcoin private keys are typically 256-bit numbers. That’s a number so large it has more possible combinations than atoms in the known universe.
– Brute-forcing a private key (trying every possible combination) would require more computing power than currently exists on Earth—by many orders of magnitude.
– The cryptographic algorithms used (like SHA-256 and ECDSA) have been battle-tested for over a decade and are trusted by governments, banks, and tech firms.
In short, if you keep your private key secure, your Bitcoin is secure. But this also means you bear full responsibility. Lose the key, and you lose access—there’s no recovery hotline to call.
3. Miners and Nodes: The Network Behind Bitcoin
Bitcoin doesn’t rely on a single server or company. Instead, it runs on a peer-to-peer network made up of computers all over the world, called nodes. These nodes communicate with each other, share the latest updates to the blockchain, and keep the network running 24/7.
There are two key roles in the network:
– Nodes: These are standard computers that store the full blockchain and help validate new transactions and blocks. Their main job is to keep a complete, synchronized copy of the ledger. This is what makes Bitcoin censorship-resistant—anyone can run a node, and no single party controls the system.
– Miners: These are specialized equipment that compete to group new transactions into blocks and add them to the blockchain. This process involves solving a complex math problem, known as proof of work. The first miner to solve it gets to add the block and earns a reward in Bitcoin.
This process ensures:
– Transactions are verified by a decentralized group,
– It is nearly impossible to “fake” a transaction or rewrite history,
– New Bitcoin is introduced in a controlled and predictable way.
We’ll go deeper into how mining works and why it uses energy in a future post.
4. Scarcity: Only 21 Million Bitcoin Will Ever Exist
One of Bitcoin’s most defining traits is its built-in scarcity. The total supply of Bitcoin is capped at 21 million coins. This is written into the software and enforced by the global network. No central bank or government can increase the supply.
To understand why this matters, let’s contrast it with traditional fiat currencies like the U.S. dollar:
– Central banks can and do print more money, especially during economic crises.
– Increasing the money supply leads to inflation, reducing the purchasing power of your dollars over time.
Bitcoin’s scarcity is intentional. Its issuance rate is predictable and halves roughly every four years—a process called the halving. This limited supply, combined with increasing demand, is what drives much of the long-term interest in Bitcoin as a store of value.
For business owners, it opens up a conversation about where to store value over the long run and how to hedge against inflation.
5. Why Should a Small Business Care?
Here are some practical ways Bitcoin is becoming relevant:
Accepting Bitcoin as Payment:
More small businesses are accepting Bitcoin, not just as a novelty, but for strategic reasons:
– Lower transaction fees compared to credit cards.
– No chargebacks or fraud risk once a payment is confirmed.
– Access to international customers without currency conversion issues.
Some tools make accepting Bitcoin easy and automatically convert it to U.S. dollars if you prefer not to hold crypto.
Holding Bitcoin as a Treasury Asset:
Some companies choose to hold Bitcoin as part of their reserves. While this strategy is relatively new, it’s a conversation more businesses are starting to have, especially those concerned about inflation or long-term purchasing power.
We’ll explore this in more detail in a future blog, including how to account for crypto on your books.
Building Financial Literacy for the Future:
Whether you plan to transact in Bitcoin or not, the underlying concepts—blockchains, inflation, decentralization—are increasingly becoming part of the business landscape. Understanding them now puts you ahead of the curve as more financial tools adopt these technologies.
What’s Next?
This post is just the beginning of our Bitcoin 101 series. In the coming weeks, we’ll cover:
– How to accept Bitcoin payments in your business
– What is a wallet, and how do you store Bitcoin securely?
– How Bitcoin scarcity impacts both crypto and fiat currencies
– How the mining process works and why it’s important
– How nodes work and why they’re key to Bitcoin’s decentralization
Bitcoin is a tool every business should consider, and understanding it is quickly becoming a modern financial literacy skill. Just as businesses had to adapt to credit cards, online banking, and PayPal, Bitcoin is another step forward in the evolution of money.
At Longview Financial Services, we’re here to help you navigate both the traditional and the emerging world of finance. If you’re interested in learning more or have specific questions about your business and crypto, let’s talk.
Want Help Navigating Bitcoin for Your Business?
At Longview Financial Services, we provide practical, no-hype guidance tailored to small business owners. Whether you’re just curious or ready to dive in, our CFO and bookkeeping team can help make sense of it all. Hit the Let’s Talk button to schedule time with us today!
Stay tuned for the next post in our Bitcoin 101 series.