What Is Bitcoin? Definition, How It Works, and Why It Matters
Author: Meesam Abbas | Last Updated: June 2026 | Sources: CoinDesk, CNBC, Bloomberg, Reuters, White House, SEC, Congressional Research Service, Federal Reserve
Bitcoin is the world's first and largest cryptocurrency — a decentralized digital currency that operates without banks, governments, or any central authority. As of June 21, 2026, Bitcoin is trading at $64,227.43 with a total market capitalization of approximately $1.3 trillion, making it one of the most valuable financial assets on earth. (CoinDesk, June 2026) Understanding what Bitcoin is, how it works, and what it means for investors and the global financial system has never been more important — or more complicated.
Key Takeaways
- Bitcoin is a decentralized digital currency that allows for the transfer of value between participants without reliance on banks or trusted intermediaries, using blockchain technology. (Federal Reserve, March 2017)
- Bitcoin has a hard maximum supply of 21 million coins — a design feature embedded in its code that no one can change, making it the only major financial asset with a mathematically guaranteed supply cap.
- Bitcoin hit an all-time high of approximately $126,000 in October 2025 before falling more than half to $59,099 during the week of June 5, 2026 — a 16% weekly decline triggered by Strategy's first Bitcoin sale and ETF outflows exceeding $3.2 billion. (CNBC, June 2026)
- President Trump signed Executive Order 14233 on March 6, 2025 establishing the US Strategic Bitcoin Reserve — the first time any major government formally recognized Bitcoin as a reserve asset, alongside gold and oil. (White House, March 2025)
- BlackRock's iShares Bitcoin Trust (IBIT) held approximately $54 billion in assets under management as of March 2026 — making it the dominant vehicle in the US spot Bitcoin ETF market and one of the fastest-growing ETFs in history.
- Bitcoin price (June 21, 2026): $64,227.43 — CoinDesk, June 2026
- 24-hour trading volume: $8.37 billion — CoinDesk, June 2026
- Total market capitalization: approximately $1.3 trillion — Fortune, June 2026
- All-time high: approximately $126,000 — October 2025 — CNBC, June 2026
- Maximum supply: 21 million Bitcoin — hard-coded into the protocol
- Most recent halving: April 19, 2024 — CNBC, April 2024
- BlackRock IBIT AUM (March 2026): approximately $54 billion
- Bitcoin ETF outflows in early June 2026 sell-off: exceeded $3.2 billion — CoinDesk, June 2026
- US Strategic Bitcoin Reserve established: March 6, 2025 — White House, March 2025
- Bitcoin's share of total crypto market cap: over 50% — BlackRock, 2026
What Is Bitcoin?
The Congressional Research Service defines cryptocurrencies like Bitcoin as "digital assets exchanged and recorded on public distributed ledgers known as blockchains that do not require trusted intermediaries." (Congressional Research Service, January 2025) In plain language: Bitcoin is money that works like email — you can send it directly to anyone, anywhere in the world, without going through a bank.
Bitcoin was created in 2009 by a pseudonymous person or group using the name Satoshi Nakamoto. The foundational document — a whitepaper titled "Bitcoin: A Peer-to-Peer Electronic Cash System" — was published in October 2008 and described a system for sending payments without financial intermediaries. Nakamoto's real identity has never been confirmed. Their original Bitcoin holdings — estimated at approximately one million coins — have never been moved, and Nakamoto has not communicated publicly since 2010.
What made Bitcoin genuinely new was not the idea of digital money — that had been attempted before. What was new was solving the "double spend" problem: how do you prevent someone from spending the same digital coin twice, without a central authority keeping track? Bitcoin's answer was the blockchain — a shared public ledger maintained by thousands of independent computers simultaneously, making fraud mathematically and computationally impractical.
Today Bitcoin is simultaneously used as a medium of exchange, a speculative investment, a store of value, and — increasingly — a reserve asset held by governments and corporations. The US government formally recognized it as a reserve asset in March 2025. BlackRock — the world's largest asset manager — now describes Bitcoin as "a global, decentralized monetary asset with a finite supply" that offers "unique risk and return drivers" for long-term diversification. (BlackRock, 2026)
How Does Bitcoin Work? The Blockchain Explained
Jerome Powell described Bitcoin's core innovation in a 2017 speech: "Bitcoin allows for the transfer of value between participants connected to its ecosystem without reliance on banks or other trusted intermediaries using blockchain technology." (Federal Reserve, March 2017) That description remains accurate today — what has changed is the scale, the institutional participation, and the regulatory framework surrounding it.
The blockchain is best understood as a shared database that no single party controls. Every 10 minutes, a new "block" of recent transactions is added to the chain. Each block contains a cryptographic reference to the block before it — which is why altering any historical transaction would require recomputing every subsequent block, a task that would require more computing power than the entire Bitcoin network combined. This is what makes the blockchain tamper-resistant.
The Chicago Federal Reserve described blockchain as "a specific type of distributed ledger technology that adds changes to the database via a series of blocks of transactional data that are chronologically and cryptographically linked to one another." (Federal Reserve Chicago, 2017) The practical consequence of this design is that the Bitcoin transaction history is public, permanent, and auditable by anyone with an internet connection — a transparency that traditional financial systems do not offer.
Bitcoin transactions are verified by network participants called nodes — computers running the Bitcoin software that independently validate every transaction against the rules of the protocol. A transaction only becomes final when it has been confirmed by enough nodes and included in a mined block. This decentralized verification is what removes the need for a trusted third party — the network itself is the trust mechanism.
What Is Bitcoin Mining?
Mining is the engine that keeps the Bitcoin network running. Miners compete globally — using specialized hardware called ASICs — to solve a cryptographic puzzle that changes with every block. The puzzle is deliberately designed to be hard to solve but easy to verify once solved. This asymmetry is what makes Bitcoin's security model work: cheating would require solving the puzzle faster than the entire honest network combined.
The fourth Bitcoin halving was completed on April 19, 2024. (CNBC, April 2024) The halving is a pre-programmed event that cuts the Bitcoin reward to miners in half approximately every four years — a mechanism Satoshi Nakamoto built in to control Bitcoin's issuance rate and enforce its 21 million supply cap. After the 2024 halving, miners receive 3.125 Bitcoin per block, down from 6.25 per block previously. The next halving is expected around 2028.
JP Morgan analysts noted ahead of the 2024 halving that they did not expect significant post-halving price increases, as the event "had already been priced in" by markets. (Reuters, April 2024) That proved accurate in the short term — Bitcoin was trading near $64,000 immediately after the halving. However, Bitcoin went on to reach an all-time high of approximately $126,000 in October 2025, 18 months after the halving — consistent with the historical pattern where halving-driven supply reduction takes time to flow through to price.
Bitcoin mining has become an energy-intensive industrial operation. The competition for mining rewards has driven the development of massive mining facilities in locations with cheap electricity — including Texas, Kazakhstan, and Iceland. The energy consumption of the Bitcoin network has been a source of sustained criticism and regulatory scrutiny, particularly as governments pursue climate commitments. Mining is also responsible for the gradual release of Bitcoin into circulation — with approximately 19.82 million of the 21 million maximum already mined as of 2026.
Bitcoin's Price History: From $0 to $126,000 and Back
Bitcoin's price in its first year of existence was effectively zero — it was a technical curiosity exchanged between cryptography enthusiasts. The first documented real-world transaction using Bitcoin occurred in May 2010, when a programmer paid 10,000 Bitcoin for two pizzas. At Bitcoin's October 2025 all-time high of approximately $126,000, those 10,000 coins would have been worth $1.26 billion.
The 2017 surge to approximately $20,000 was driven by retail speculation and the explosion of initial coin offerings. The subsequent crash to approximately $3,200 in December 2018 wiped out most retail investors who had bought near the peak. The 2021 cycle was larger: Bitcoin hit an all-time high of approximately $69,000 in November 2021 before the collapse of multiple crypto firms — culminating in the FTX exchange bankruptcy in November 2022 — drove prices to approximately $16,000.
The 2024–2025 cycle was different in character. The January 2024 approval of US spot Bitcoin ETFs brought institutional capital into the asset class at scale for the first time. (SEC, January 2024) Bitcoin reached approximately $126,000 in October 2025 — with CNBC citing analyst predictions that had ranged from $75,000 to $225,000 for 2026 as this new cycle began. (CNBC, January 2026)
The June 2026 sell-off was sharp and fast. Bitcoin dropped 16% in a single week, falling to $59,099.25 — its lowest level since October 2024 — after Strategy (formerly MicroStrategy) disclosed its first-ever Bitcoin sale, Bitcoin ETFs recorded outflows exceeding $3.2 billion, and a large Mt. Gox wallet transfer added supply concerns. (CNBC, June 2026) The sell-off occurred even as global stock indexes hit fresh record highs — a reminder that Bitcoin does not always move with or against equities in predictable ways. (CoinDesk, June 2026)
Bitcoin as an Investment: ETFs, Institutions, and How to Get Exposure
The January 2024 SEC approval of spot Bitcoin ETFs was the single most significant regulatory event in Bitcoin's history from an institutional access perspective. For the first time, investors could gain exposure to Bitcoin's price movements through a standard brokerage account — the same way they buy shares of Apple or a gold ETF — without setting up a cryptocurrency wallet or managing private keys. (SEC, January 2024)
BlackRock's iShares Bitcoin Trust — ticker IBIT — became the dominant vehicle almost immediately. With approximately $54 billion in AUM as of March 2026, IBIT represents close to 49% of the entire US spot Bitcoin ETF market by assets. Fidelity's FBTC holds approximately $17–18 billion in second place. The gap between the two is the most revealing data point about how institutional distribution channels work — both products hold physical Bitcoin and both charge a 0.25% expense ratio, but BlackRock's distribution reach is unmatched.
The institutional adoption wave goes beyond ETFs. Strategy — formerly known as MicroStrategy — became the blueprint for corporate Bitcoin treasury strategy, accumulating Bitcoin through convertible note offerings including a $821.7 million purchase of 12,000 Bitcoin in March 2024 (Bloomberg, March 2024) and a $1.01 billion raise in September 2024. (Bloomberg, September 2024) BlackRock's Chief Investment Officer Rick Rieder has publicly stated he believes "bitcoin is ultimately going considerably higher" — a notable structural endorsement from the world's largest asset manager rather than a short-term trading call.
Why Does Bitcoin Have Value?
Scarcity. Bitcoin's 21 million supply cap is the foundation of its value proposition. Unlike gold — where miners can produce more if the price rises enough to justify the extraction cost — Bitcoin's supply schedule is fixed in code. No government can print more Bitcoin, no mining company can increase its issuance rate, and no software update can change the cap without the consensus of the entire network. This mathematical scarcity is unprecedented in the history of money.
Network effect. Bitcoin was the first cryptocurrency and has never relinquished its dominant position. With over 50% of total crypto market capitalization and the deepest liquidity of any digital asset, Bitcoin benefits from the same dynamic that makes the English language or the internet itself valuable — the more people use it, the more valuable it becomes to each individual user. Every wallet, exchange, ETF, and payment integration that supports Bitcoin reinforces its position as the default digital asset.
Security. The Bitcoin network is secured by more computing power — measured in "hashrate" — than any other network in history. The cost of attacking Bitcoin's blockchain is so enormous that no realistic adversary could sustain it long enough to alter the transaction history. This security is itself a form of value: Bitcoin transactions settled on the blockchain are effectively irreversible, which is a property no traditional payment system can fully replicate.
Liquidity and institutional adoption. Bitcoin trades 24 hours a day, seven days a week, on exchanges across every major jurisdiction globally. As of 2026, it is accessible through BlackRock's IBIT, Fidelity's FBTC, and other regulated ETFs — meaning pension funds, sovereign wealth funds, and retail investors all have easy access. The US government formally recognizing Bitcoin as a reserve asset in March 2025 added a further layer of legitimacy that has no precedent in cryptocurrency history. (White House, March 2025)
Store of value thesis. The most powerful long-term argument for Bitcoin's value is the comparison to gold. Gold's approximately $18 trillion market cap reflects thousands of years of cultural and financial acceptance as a store of value — a place to park wealth outside of any government's control. Bitcoin proponents argue that Bitcoin is superior to gold as a store of value in the digital age: it is easier to verify, easier to transfer globally, impossible to counterfeit, and has a supply cap that is more predictably enforced than gold's mining economics. BlackRock's Larry Fink publicly calling Bitcoin "the new gold" is the clearest signal yet that this argument is gaining traction at the highest institutional levels.
What Is a Bitcoin Wallet? Public Keys, Private Keys, and Self-Custody
The phrase "where is Bitcoin stored?" reveals a common misconception. Bitcoin does not sit inside your wallet the way cash sits in a physical wallet. Every Bitcoin that exists is recorded on the blockchain — a public ledger that nobody owns. What your wallet actually stores is your private key: a unique string of cryptographic data that proves you have the right to spend the Bitcoin associated with a particular address on the blockchain.
Every Bitcoin address has two corresponding keys. The public key — which generates your Bitcoin address — is what you share with others when you want to receive Bitcoin. Think of it as your account number. The private key is what you use to authorize outgoing transactions — think of it as a signature that only you can produce. The relationship between the two is mathematically one-way: you can derive a public key from a private key, but you cannot reverse-engineer a private key from a public key. This asymmetry is the cryptographic foundation of Bitcoin's security.
Bitcoin wallets come in two broad categories. Software wallets are apps on your phone or computer — convenient but exposed to device theft or hacking. Hardware wallets are physical devices that store private keys offline, never exposing them to the internet — the most secure form of self-custody for significant holdings. A third option is to hold Bitcoin through a regulated custodian — an exchange like Coinbase, or through an ETF like IBIT — where the institution manages the private keys on your behalf. The trade-off is counterparty risk: if the exchange fails or is hacked, your Bitcoin could be at risk, as the FTX collapse demonstrated in 2022.
The Bitcoin community's mantra — "not your keys, not your coins" — captures the self-custody philosophy: true Bitcoin ownership means holding your own private keys. The security risk of self-custody is real — losing your private key or seed phrase means losing your Bitcoin forever, with no recovery option — but so is the counterparty risk of trusting a third party. Most investors who hold significant Bitcoin use a combination: ETFs or exchanges for liquidity, hardware wallets for long-term self-custody storage.
Who Is Satoshi Nakamoto?
On October 31, 2008, a whitepaper titled "Bitcoin: A Peer-to-Peer Electronic Cash System" was posted to a cryptography mailing list by someone using the name Satoshi Nakamoto. On January 3, 2009, the Bitcoin network launched with the mining of the first block — the "genesis block" — which contained an embedded message referencing a newspaper headline about bank bailouts. This message is widely interpreted as a statement of intent: Bitcoin was designed as an alternative to the banking system that had just required government rescue.
Nakamoto collaborated with the early Bitcoin community for approximately two years — communicating through forum posts and emails, releasing software updates, and responding to technical questions. In late 2010, Nakamoto handed control of the Bitcoin codebase to other developers and gradually ceased communication. Their final public message was sent in April 2011. No verified communication has come from Nakamoto since.
The identity question has been pursued by journalists, cryptographers, and legal investigators for 15 years without a definitive answer. Multiple people have been proposed as candidates — including computer scientist Nick Szabo, cryptographer Hal Finney, and Australian entrepreneur Craig Wright, who has claimed to be Nakamoto in legal proceedings but has not provided cryptographic proof that courts have accepted. The mystery is not merely biographical — it is structurally important. Bitcoin's credibility as a decentralized system depends partly on the fact that no known individual controls it. A confirmed living Nakamoto with one million coins could, in theory, influence markets simply by making public statements about their holdings.
How to Buy Bitcoin: Three Options for Every Type of Investor
Option 1 — Bitcoin spot ETF. Buying BlackRock's IBIT, Fidelity's FBTC, or another SEC-approved spot Bitcoin ETF through your existing brokerage account (Fidelity, Charles Schwab, TD Ameritrade, etc.) is the most accessible route for most retail investors. You pay a 0.25% annual expense ratio, your Bitcoin exposure is held by an institutional custodian, and you can buy and sell during market hours like any stock. The limitation is that you do not hold actual Bitcoin — you hold shares of a fund. You cannot use it to make payments, and your exposure disappears if you sell.
Option 2 — Regulated cryptocurrency exchange. Buying Bitcoin directly on a regulated exchange — such as Coinbase (publicly traded, Nasdaq: COIN), Kraken, or Gemini — gives you actual Bitcoin in a wallet the exchange manages. This is a good middle ground: you own real Bitcoin without the complexity of self-custody. The risks are exchange security (hacks do occur) and counterparty risk if the exchange faces financial difficulties. The FTX bankruptcy in 2022 — which trapped billions in customer funds — is the defining cautionary tale for exchange custody risk.
Option 3 — Self-custody with a hardware wallet. The highest-security option is buying Bitcoin on an exchange and then withdrawing it to a hardware wallet — a physical device like a Ledger or Trezor that stores your private keys offline. This eliminates exchange counterparty risk entirely. The trade-off is responsibility: if you lose your device and your backup seed phrase, your Bitcoin is gone permanently. Self-custody is most appropriate for investors with significant holdings who are willing to learn the security practices involved.
Regardless of which option you choose, the IRS treats all three the same way for tax purposes — Bitcoin is classified as property, and any sale or exchange is a taxable event. Keeping accurate records of your purchase price (cost basis) and sale price is essential for calculating capital gains. Dollar-cost averaging — buying a fixed amount at regular intervals rather than trying to time the market — is the approach most commonly recommended for long-term Bitcoin investors given the asset's extreme price volatility.
The US Bitcoin Strategic Reserve: What It Means for Investors
The executive order that created the Strategic Bitcoin Reserve described the US government's prior handling of Bitcoin as "disjointed" — with confiscated coins scattered across agencies with no clear policy for managing, centralizing, or maximizing their value. The order directed the Treasury Department to establish custodial accounts for all government-held Bitcoin, with forfeited Bitcoin forming the initial capitalization. (White House, March 2025)
The most significant element of the order is its prohibition on selling. Unlike the prior US government practice of auctioning confiscated cryptocurrency, Bitcoin deposited into the Strategic Bitcoin Reserve is to be held permanently as a reserve asset — the same framework applied to the Strategic Petroleum Reserve and the US gold holdings at Fort Knox. The Secretaries of Treasury and Commerce were authorized to develop "budget-neutral strategies" for acquiring additional Bitcoin beyond the initial confiscated holdings. (White House, March 2025)
Bloomberg confirmed the signing and noted that the order effectively entrenched Bitcoin's legitimacy as a mainstream financial instrument by placing it alongside gold, oil, and other traditional reserve assets. (Bloomberg, March 2025) S&P Global Ratings described the significance as "mainly symbolic — it marks the first time Bitcoin is formally recognized as a reserve asset of the United States government."
As of January 2026, the White House confirmed the administration remains committed to building the reserve but acknowledged "obscure legal provisions" that need to be resolved. The BITCOIN Act of 2025 — introduced by Senator Cynthia Lummis in March 2025 — would codify the executive order into law and authorize the Treasury to purchase up to one million Bitcoin over five years, held in secure cold storage for a minimum 20-year period. The bill remains in committee as of June 2026. For the broader cryptocurrency regulatory context, see [What Is the GENIUS Act? The Stablecoin Law That Changed Crypto].
Bitcoin vs Other Assets: Gold, Stocks, and Crypto
Bitcoin's market capitalization of approximately $1.3 trillion as of June 2026 makes it one of the most valuable assets in the world — larger than most companies and most sovereign debt markets. But it remains far smaller than gold, which has a total estimated market cap of approximately $18 trillion. This gap is part of what Bitcoin proponents cite as its long-term opportunity: if Bitcoin were to capture even a fraction of gold's role as a store of value, its price would be multiples higher than current levels.
BlackRock's Larry Fink — whose firm manages approximately $10 trillion in global assets — publicly called Bitcoin "the new gold" and his CIO Rick Rieder stated he believes "bitcoin is ultimately going considerably higher." These are not the statements of a fringe speculator — they come from the leadership of an institution that has built one of the largest Bitcoin funds in history. When the world's largest asset manager frames Bitcoin as a gold alternative, it signals a structural shift in how institutional capital thinks about the asset class.
Within the cryptocurrency market, Bitcoin represents over 50% of total market capitalization — a dominance that has persisted through multiple market cycles. Ethereum is the second-largest cryptocurrency with a market cap of approximately $233 billion as of June 2026 — roughly one-sixth of Bitcoin's size. (CoinDesk, June 2026) Bitcoin's dominance persists because of its first-mover advantage, its fixed supply cap, and the deepest institutional custody and ETF infrastructure of any digital asset. For the broader picture of the cryptocurrency regulatory environment, see [What Is a Stablecoin?] and [What Is a Central Bank Digital Currency (CBDC)?].
Bitcoin Risks: What Every Investor Should Know
The volatility risk is the most visible. Bitcoin falling from $126,000 to $59,099 — a decline of more than 50% — within a single market cycle is not an outlier. It is a pattern that has repeated in every Bitcoin cycle: 2011, 2013, 2017, 2021, and now 2025–2026. Investors who bought near previous cycle peaks in 2017 or 2021 waited years before recovering their nominal investment. Bitcoin's CNBC-confirmed decline of 16% in a single week in June 2026 — while the MSCI All Country World Index was simultaneously hitting fresh all-time highs — demonstrates that Bitcoin does not behave like traditional assets and does not offer consistent diversification benefits during stress periods.
Regulatory risk is evolving rather than static. The US crypto industry notched major regulatory victories in 2025 (Reuters, December 2025), and the regulatory environment is meaningfully more favorable under the current administration than under its predecessor. However, regulatory direction can reverse with political change, and adverse regulatory decisions in any major economy — China banned crypto trading entirely — can trigger sharp global price reactions.
Security risk applies primarily to investors who hold Bitcoin directly rather than through ETFs. Bitcoin held in a wallet is secured by a private key — a long string of characters that gives complete control of the funds. Loss of the private key means permanent, irreversible loss of the Bitcoin. There is no customer service, no password reset, and no central authority that can recover lost funds. For investors accessing Bitcoin through IBIT or FBTC, custody risk is handled by institutional custodians — but those products still carry counterparty risk from the fund structure itself.
The intersection of Bitcoin with the broader financial system — through [Federal Reserve] interest rate policy, [inflation] dynamics, and de-dollarization trends — makes it a far more complex asset than its simple description as "digital money" implies. Understanding those connections is essential before making any investment decision.
Frequently Asked Questions
What is Bitcoin?
Bitcoin is the world's first and largest cryptocurrency — a decentralized digital currency that allows people to send and receive value directly without banks, governments, or intermediaries. It was created in 2009 by a pseudonymous person or group called Satoshi Nakamoto. Every Bitcoin transaction is recorded on a public blockchain maintained by thousands of computers globally. Bitcoin has a hard maximum supply of 21 million coins that no one can increase.
How does Bitcoin work?
Bitcoin works through a technology called the blockchain — a public distributed ledger that records every transaction ever made. When you send Bitcoin, the transaction is broadcast to the network, verified by thousands of independent computers called nodes, and recorded in a block that is added to the chain approximately every 10 minutes. This decentralized verification process eliminates the need for banks or other trusted third parties to confirm that transactions are legitimate.
What is Bitcoin's current price?
Bitcoin is trading at $64,227.43 as of June 21, 2026, with a 24-hour trading volume of $8.37 billion. Bitcoin hit an all-time high of approximately $126,000 in October 2025 and has since declined more than 50% from that peak. For the most current price, check CoinDesk, CNBC Markets, or Bloomberg's cryptocurrency data, as prices fluctuate continuously 24 hours a day, 7 days a week.
How many bitcoins will ever exist?
Bitcoin has a hard maximum supply of 21 million coins — a limit built directly into its code that no person, government, or organization can change. Approximately 19.82 million Bitcoin have been mined as of 2026, leaving fewer than 1.2 million left to be created. New Bitcoin is released through the mining process at a rate that halves approximately every four years. After the 2024 halving, miners earn 3.125 Bitcoin per block. The final Bitcoin is expected to be mined around the year 2140.
Is Bitcoin a good investment?
Bitcoin has generated extraordinary returns over its lifetime but with extreme volatility — falling more than 50% from its all-time high in 2025–2026 alone. BlackRock's Larry Fink has called it "the new gold" and his CIO stated he believes Bitcoin is "going considerably higher." JP Morgan analysts have been more cautious, noting in 2024 that post-halving price increases are typically already priced in. Every investor must weigh Bitcoin's potential against its documented risk of losing more than half its value in a single market cycle.
What is a Bitcoin ETF?
A Bitcoin ETF is an exchange-traded fund that holds actual Bitcoin and allows investors to gain price exposure through a standard brokerage account — without needing a cryptocurrency wallet. The SEC approved US spot Bitcoin ETFs in January 2024. BlackRock's iShares Bitcoin Trust (IBIT) became the dominant vehicle with approximately $54 billion in assets under management as of March 2026. Fidelity's FBTC and Goldman Sachs' newly filed product are among the alternatives available to investors.
What is Bitcoin mining?
Bitcoin mining is the process by which new transactions are verified, added to the blockchain, and new Bitcoin is created. Miners use specialized computers to solve complex mathematical puzzles — the first to solve each puzzle earns the right to add the next block of transactions and receives a Bitcoin reward. The Bitcoin network completed its fourth halving on April 19, 2024, reducing the mining reward from 6.25 to 3.125 Bitcoin per block. Halvings occur approximately every four years to control Bitcoin's issuance rate.
Does the US government own Bitcoin?
Yes. President Trump signed Executive Order 14233 on March 6, 2025, establishing the US Strategic Bitcoin Reserve, capitalized with Bitcoin forfeited in criminal and civil proceedings. The government is prohibited from selling the Bitcoin held in this reserve. The US government accumulated significant Bitcoin holdings through years of law enforcement seizures — including the Silk Road and Bitfinex hack cases — before the reserve was formally established. The BITCOIN Act of 2025 would authorize purchasing up to one million Bitcoin over five years.
How is Bitcoin taxed in the United States?
The IRS treats Bitcoin as property for US federal tax purposes under IRS Notice 2014-21. This means every sale, trade, or spend of Bitcoin is a taxable event subject to capital gains tax. Short-term gains — from Bitcoin held less than one year — are taxed as ordinary income at your marginal rate. Long-term gains — from Bitcoin held more than one year — are taxed at preferential capital gains rates of 0%, 15%, or 20% depending on your income. Receiving Bitcoin as payment or mining rewards is taxed as ordinary income at the fair market value on the date received.
What is the difference between Bitcoin and stablecoins?
Bitcoin is a volatile, finite-supply digital currency whose price fluctuates freely with supply and demand. A stablecoin is a cryptocurrency designed to maintain a fixed value — typically pegged 1:1 to the US dollar — by holding reserves of cash, Treasury securities, or other assets. Stablecoins like USDC and USDT are used primarily for payments and transfers, not as speculative investments. For the full explanation, see [What Is a Stablecoin? USDC, USDT, and the GENIUS Act Explained].
Who is Satoshi Nakamoto?
Satoshi Nakamoto is the pseudonymous creator of Bitcoin — the person or group who published the Bitcoin whitepaper in October 2008 and launched the network in January 2009. Nakamoto's real identity has never been confirmed. They communicated with the early Bitcoin community until approximately 2010, then disappeared permanently. Their estimated holdings of approximately one million Bitcoin have never been moved — making them one of the wealthiest individuals in history if the coins remain intact.
Why does Bitcoin have value?
Bitcoin has value because of six interconnected factors: mathematical scarcity with a fixed supply cap of 21 million coins, a global network effect as the world's most widely adopted cryptocurrency, a security model backed by immense computing power, deep liquidity across global markets, accelerating institutional adoption through ETFs and corporate treasuries, and a growing store-of-value thesis positioning it as digital gold. BlackRock's Larry Fink publicly called Bitcoin "the new gold" — reflecting how the world's largest asset manager now frames its role in a diversified portfolio.
What is a Bitcoin wallet?
A Bitcoin wallet is software or hardware that stores the private keys needed to control your Bitcoin. Bitcoin itself lives on the blockchain — your wallet holds the cryptographic key that proves ownership. A public key is like your account number — share it to receive Bitcoin. A private key is like your signature — whoever holds it controls the funds. Loss of the private key means permanent, irreversible loss with no recovery option. Hardware wallets store keys offline for maximum security. ETFs like IBIT handle custody on your behalf.
How do I buy Bitcoin safely?
There are three main options. For most beginners, the simplest is buying a Bitcoin spot ETF like BlackRock's IBIT or Fidelity's FBTC through a standard brokerage account — no wallet required, institutional custody, 0.25% annual fee. The second option is buying directly on a regulated exchange like Coinbase or Kraken and holding it in their wallet. The third is self-custody: buying on an exchange and withdrawing to a hardware wallet you control. The IRS taxes all three approaches identically — Bitcoin is property, and every sale is a taxable event.
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Bitcoin is no longer a fringe experiment — it is a $1.3 trillion asset class held by sovereign governments, the world's largest asset managers, and millions of retail investors globally. The US Strategic Bitcoin Reserve, BlackRock's $54 billion IBIT, and Goldman Sachs entering the Bitcoin ETF space all signal the same thing: Bitcoin has crossed from speculative curiosity to institutional reality. Whether it is a store of value, a speculative asset, or a new form of global money remains genuinely debated — but what is no longer debatable is its permanence in the financial system. For the next layer of understanding on digital assets, see [What Is a Stablecoin? USDC, USDT, and the GENIUS Act Explained] and [What Is a Central Bank Digital Currency (CBDC)?].
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