Bitcoin FAQ

Every question a new HODLer asks. Honest, direct, no hype — just the truth about Bitcoin and crypto.

📋 Jump to Section

The Basics: What Is Bitcoin? Buying & Getting Started HODLing & Long-Term Strategy Wallets & Self-Custody Bitcoin vs Ethereum vs Altcoins Taxes & Regulations Risks & Concerns
₿ The Basics: What Is Bitcoin?
What is Bitcoin?

Bitcoin is the world's first decentralized digital money — created in 2009 by the pseudonymous Satoshi Nakamoto. It's a peer-to-peer electronic cash system that operates without banks, governments, or any central authority.

Think of it as digital gold with a perfect monetary policy: only 21 million Bitcoin will ever exist, the supply is issued on a predictable schedule, and no one can inflate it away or confiscate it without your private keys.

Bitcoin runs on a blockchain — a public ledger maintained by thousands of computers worldwide. It's been running continuously since January 2009, has never been successfully hacked, and has processed trillions of dollars in transactions.

Why is Bitcoin valuable?

Bitcoin's value comes from several sources:

  • Scarcity: Only 21 million BTC can ever exist. ~19.7 million have been mined. Some are permanently lost. The supply curve is mathematically fixed.
  • Decentralization: No government, company, or person controls Bitcoin. This makes it censorship-resistant.
  • Network effects: Bitcoin is the most secure, most liquid, most recognized cryptocurrency. Its first-mover advantage is enormous.
  • Store of value: Increasingly used as "digital gold" — a hedge against inflation and currency debasement.
  • Institutional adoption: BlackRock, Fidelity, and major institutions now hold and trade Bitcoin through regulated products.
Is Bitcoin too expensive? Can I buy a fraction?

Yes — Bitcoin is divisible to 8 decimal places. The smallest unit is a satoshi (0.00000001 BTC). You can buy $10, $50, or $100 of Bitcoin and own a fraction of a coin. There's no need to buy a whole Bitcoin.

At $69,000 per BTC, one satoshi is worth about 0.069 cents. Most exchanges let you buy as little as $1 worth of Bitcoin. You don't need to afford "a whole Bitcoin" — you just need to start accumulating satoshis.

What is the Bitcoin halving?

Approximately every 4 years (every 210,000 blocks), the reward given to Bitcoin miners for processing transactions is cut in half. This is called the halving.

In April 2024, the halving reduced miner rewards from 6.25 BTC to 3.125 BTC per block. This reduces the new supply of Bitcoin entering the market by 50%. With demand staying constant or increasing and supply shrinking, the long-term price effect has historically been dramatically bullish — each halving cycle has produced new all-time highs in the following 12–18 months.

💳 Buying & Getting Started
Where should I buy Bitcoin?

For most people in the US, the best options are:

  • Coinbase: Most beginner-friendly, regulated, publicly traded (NASDAQ: COIN)
  • River Financial: Bitcoin-only exchange, excellent for long-term HODLers, recurring buys, low fees
  • Swan Bitcoin: Bitcoin-only, DCA-focused, great for automatic purchases
  • Kraken: Low fees, reputable, good for larger purchases

Key rule: Don't leave coins on exchanges for long. Buy, then withdraw to your own wallet. See our custody guide for details.

How much should I invest in Bitcoin?

The standard HODLer advice: only invest what you can afford to hold for 5–10 years without needing it. Bitcoin can drop 50–80% in bear markets and take years to recover. You need the conviction and financial stability to hold through these drawdowns.

Many respected voices recommend 1–10% of your investment portfolio in Bitcoin as a starting point, scaling up as your conviction grows. Some Bitcoin maximalists go much higher.

The most important thing is not how much — it's that you start. Even $25/month compounded over 10 years at Bitcoin's historical growth rates becomes significant.

Is now a good time to buy Bitcoin?

The HODLer's honest answer: the best time to buy Bitcoin was 10 years ago. The second best time is now.

We are in a post-halving bull market with institutional adoption accelerating via spot Bitcoin ETFs. The macroeconomic backdrop (inflation, currency debasement, debt crises) continues to make the case for hard money.

No one can time the market perfectly. The answer is dollar-cost averaging — buying a fixed amount on a regular schedule, eliminating the need to pick the "right" time. Read our full DCA guide for the strategy that removes timing risk entirely.

💎 HODLing & Long-Term Strategy
What does HODL mean?

HODL originated from a famous 2013 Bitcoin forum post titled "I AM HODLING" — a typo for "holding" that became a rallying cry for long-term Bitcoin believers. It's now retconned as an acronym: Hold On for Dear Life.

More importantly, HODLing is a strategy — the recognition that trying to time a volatile market is nearly impossible, and that patient, long-term holding has outperformed virtually every active trading strategy on Bitcoin over any 4-year period in its history.

Should I sell Bitcoin when it's up?

This depends entirely on your thesis and time horizon. The HODLer view: if you believe Bitcoin will be worth multiples of today's price in 5–10 years, selling at a short-term high is giving up long-term gains for short-term satisfaction.

Consider: every person who sold Bitcoin at "high" prices in 2013, 2017, and 2021 watched it eventually trade higher. Selling requires being right twice — once when you sell, and once when you buy back lower. Most traders fail at both.

There are legitimate reasons to take profits — meeting life expenses, rebalancing, reaching financial goals. But selling because you're scared or excited rarely produces better outcomes than holding.

What if Bitcoin goes to zero?

It's a risk worth taking seriously but becoming less likely with each passing year. Consider:

  • Bitcoin has been declared "dead" over 400 times since 2009. It's still here, more valuable than ever.
  • The Bitcoin network has had 100% uptime since 2013. Over 15 years of uninterrupted operation.
  • BlackRock, Fidelity, and sovereign wealth funds now hold Bitcoin. The stakes for letting it fail are enormous.
  • Over 19 million of 21 million BTC have been distributed. Miners have every incentive to protect the network.

This is why position sizing matters. Never invest more than you can afford to lose. But recognizing this risk, the HODLer takes a position sized to their conviction and sleeps soundly.

🔐 Wallets & Self-Custody
What's the difference between a hot wallet and cold wallet?

Hot wallet: A software wallet connected to the internet (mobile app, desktop app). Convenient, but your private keys are exposed to internet-based threats. Good for small spending amounts.

Cold wallet: A hardware device that stores private keys offline — never connected to the internet during normal operation. The key is always air-gapped from hackers. Best for any meaningful holdings.

The HODLer rule: use a hardware wallet (Ledger, Trezor, Coldcard) for any amount you'd be upset to lose. See our full custody guide.

Can I lose my Bitcoin if I lose my hardware wallet?

No — as long as you have your seed phrase, you can recover all your Bitcoin on any compatible wallet. The hardware device is just a convenient way to access your keys — it's not where Bitcoin is "stored." Bitcoin lives on the blockchain.

If you lose your Ledger but have your 24-word seed phrase, you simply buy a new Ledger (or use any compatible wallet software) and restore from the seed phrase. Your Bitcoin is perfectly intact.

This is why protecting your seed phrase — on metal, in two locations — is the single most important thing you can do.

⚖️ Bitcoin vs. Ethereum vs. Altcoins
Should I buy Bitcoin or Ethereum?

The HODLer answer: both, in proportion to your thesis. Our target allocation is 60% BTC, 30% ETH, 10% cash.

Bitcoin is the hardest money ever created — a pristine store of value with a perfect, immutable monetary policy. Ethereum is the programmable global settlement layer powering DeFi, stablecoins, and the decentralized web — a productive asset that generates yield.

Don't let anyone tell you it has to be either/or. Owning both gives you exposure to both the monetary revolution (BTC) and the programmable finance revolution (ETH).

What about other cryptocurrencies — Solana, Cardano, Dogecoin?

The HODLer's honest opinion: altcoins are mostly speculation, not investment.

The graveyard of "Ethereum killers" and "Bitcoin replacements" is enormous. Thousands of cryptocurrencies have been launched since 2013 promising to replace Bitcoin or Ethereum. Most are worth nothing today. The ones that remain are down 90–99% from their peak against Bitcoin.

This doesn't mean no one will profit from altcoins — some people win in casinos too. But as a long-term wealth-building strategy, the HODLer focuses on the two assets with the strongest fundamentals, deepest liquidity, and most durable network effects: Bitcoin and Ethereum.

Have fun staying poor is the community's response to those who chase altcoin pumps instead of accumulating BTC and ETH.

📋 Taxes & Regulations
Do I have to pay taxes on Bitcoin?

In the United States, yes. The IRS treats cryptocurrency as property, not currency. This means:

  • Short-term capital gains (held <1 year): taxed as ordinary income (up to 37%)
  • Long-term capital gains (held >1 year): taxed at 0%, 15%, or 20% depending on income
  • Every sale, trade, or use of crypto for goods/services is a taxable event
  • Receiving crypto as income (mining, staking) is taxed as ordinary income at time of receipt

Good news for HODLers: Simply holding Bitcoin is NOT a taxable event. You only owe taxes when you sell, trade, or spend. HODLers who hold for 1+ year qualify for the much lower long-term capital gains rates.

Consult a tax professional familiar with cryptocurrency. Use tools like Koinly or CoinTracker to track your cost basis automatically.

Is Bitcoin legal? Will governments ban it?

Bitcoin is legal in the United States, European Union, UK, Canada, Australia, Japan, and most developed economies. The US government, through its approval of spot Bitcoin ETFs and major institutional adoption, has effectively legitimized Bitcoin as an asset class.

Some countries have restricted or banned Bitcoin — China being the most notable (multiple times). Each time, Bitcoin's price eventually recovered and exceeded prior highs. The decentralized nature of Bitcoin makes a complete global ban practically impossible to enforce.

HODLers take the long view: as more governments and institutions integrate Bitcoin into the financial system, the probability of wholesale bans in major economies decreases with each passing year.

⚠️ Risks & Concerns
How volatile is Bitcoin? Should I be scared?

Bitcoin is extremely volatile. 50% drawdowns happen. 80% drawdowns have happened. This is the price of extraordinary long-term returns.

How to survive volatility:

  • Don't invest money you need soon — Bitcoin is a 5–10 year asset, not a savings account
  • Dollar-cost average — regular buys smooth out your entry price over time
  • Understand what you own — conviction comes from knowledge, not hope
  • Don't check the price daily — seriously, once a week is plenty
  • Zoom out — every "crash" in Bitcoin's history is a tiny blip on the 10-year chart

The investors who made generational wealth in Bitcoin were not those who timed it perfectly. They were the ones who held through the volatility.

What about Bitcoin's environmental impact?

Bitcoin mining does use significant energy. However, the nuanced view:

  • ~50–60% of Bitcoin mining uses renewable or sustainable energy sources
  • Bitcoin miners use energy that is otherwise wasted (stranded gas, surplus hydro) at the edges of grids
  • The global banking system (buildings, servers, armored cars, ATMs, employees) uses significantly more energy than Bitcoin
  • Bitcoin's energy use is transparent and measurable — most industries are not

Ethereum, notably, solved this problem through Proof of Stake — using 99.95% less energy than its original Proof of Work design.

The environmental debate is complex, but the HODLer position is that the value Bitcoin creates — financial sovereignty, inflation protection, permissionless money — justifies the energy expenditure of a system secured by computational work.

💡 Still have questions? The best Bitcoin education comes from the source. Read the original Bitcoin whitepaper — it's only 9 pages and remarkably clear. Also check out Jameson Lopp's Bitcoin resource guide for the most comprehensive reading list available.

Ready to Go Deeper?

Now that you have the basics, explore our full guides and strategy pages.

Bitcoin Guide DCA Strategy