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Investopedia makes no representations or warranties as to the accuracy or timeliness of the information contained herein. The Coinbase Blog. Your Money. Personal Finance. Your Practice. Popular Courses. Cryptocurrency Bitcoin. Part of. Guide to Bitcoin. Part Of. Bitcoin Basics. Bitcoin Mining. How to Store Bitcoin. Bitcoin Exchanges.

Bitcoin Advantages and Disadvantages. Bitcoin vs. Other Cryptocurrencies. Bitcoin Value and Price. Key Takeaways Since it was first introduced, Bitcoin has had a choppy and volatile trading history. Bitcoin's price has risen and fallen sharply over its short history. As an asset class, Bitcoin continues to evolve along with the factors that influence its prices.

Bitcoin's narrative has shifted—while it is still a cryptocurrency, it also provides a way to store value, hedge against inflation and market uncertainty, and allow investors to gain exposure to cryptocurrency within their portfolios.

Where Does Bitcoin Come From? What Was Bitcoin's Cheapest Price? Article Sources. Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate.

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Bitcoin What Determines the Price of 1 Bitcoin? Bitcoin Gold vs. Bitcoin: Which Is Better? Bitcoin Top Cryptocurrency Myths. Partner Links. The bitcoin misery index BMI measures the momentum of bitcoin based on its price and volatility. What Is Cryptocurrency? Choose from Bitcoin, Bitcoin Cash, Ethereum, and more. More Get Started articles. What is Bitcoin Cash? How do I create a Bitcoin wallet? Learn the basics. How is cryptocurrency taxed? How do I keep my cryptoassets safe?

How do I buy bitcoin? How do I sell bitcoin? Bitcoin Cash is a decentralized peer-to-peer electronic cash system that does not rely on any central authority like a government or financial institution. Learn how to quickly and easily create a Bitcoin wallet. Get a simple introduction to Bitcoin and why it matters. Get the basics of how cryptocurrencies are taxed and what it means for you. Make sure your cryptoassets are safe with these simple tips. Learn how to get your first bitcoin in minutes.

Learn how to sell bitcoin into local currency safely. Everything you need to buy, sell, trade, and invest your Bitcoin and cryptocurrency securely. What is Bitcoin? Table of Contents Bitcoin's origin, early growth, and evolution What is Bitcoin used for? Bitcoin's origin, early growth, and evolution Bitcoin is based on the ideas laid out in a whitepaper titled Bitcoin: A Peer-to-Peer Electronic Cash System. What is Bitcoin used for? Instead, the network consists of willing participants who agree to the rules of a protocol which takes the form of an open-source software client.

Changes to the protocol must be made by the consensus of its users and there is a wide array of contributing voices including 'nodes,' end users, developers, 'miners,' and adjacent industry participants like exchanges, wallet providers, and custodians.

This makes Bitcoin a quasi-political system. Of the thousands of cryptocurrencies in existence, Bitcoin is arguably the most decentralized, an attribute that is considered to strengthen its position as pristine collateral for the global economy. Distributed : All Bitcoin transactions are recorded on a public ledger that has come to be known as the 'blockchain.

These 'nodes' contribute to the correct propagation of transactions across the network by following the rules of the protocol as defined by the software client. There are currently more than 80, nodes distributed globally, making it next to impossible for the network to suffer downtime or lost information.

Transparent : The addition of new transactions to the blockchain ledger and the state of the Bitcoin network at any given time in other words, the 'truth' of who owns how much bitcoin is arrived upon by consensus and in a transparent manner according to the rules of the protocol.

Peer-to-peer : Although nodes store and propagate the state of the network the 'truth' , payments effectively go directly from one person or business to another. Permissionless : Anyone can use Bitcoin, there are no gatekeepers, and there is no need to create a 'Bitcoin account. Identity information isn't inherently tied to Bitcoin transactions. Instead, transactions are tied to addresses that take the form of randomly generated alphanumeric strings.

Censorship resistant : Since all Bitcoin transactions that follow the rules of the protocol are valid, since transactions are pseudo-anonymous, and since users themselves possess the 'key' to their bitcoin holdings, it is difficult for authorities to ban individuals from using it or to seize their assets. This carries important implications for economic freedom, and may even act as a counteracting force to authoritarianism globally.

Public : All Bitcoin transactions are recorded and publicly available for anyone to see. While this virtually eliminates the possibility of fraudulent transactions, it also makes it possible to, in some cases, tie by deduction individual identities to specific Bitcoin addresses. A number of efforts to enhance Bitcoin's privacy are underway, but their integration into the protocol is ultimately subject to Bitcoin's quasi-political governance process.

Bitcoin's economic features Fixed supply : One of the key parameters in the Bitcoin protocol is that the supply will expand over time to a final tally of 21 million coins. This fixed and known total supply, it is argued, makes Bitcoin a 'hard asset,' one of several characteristics that has contributed to its perceived value from an investment perspective. Disinflationary : The rate that new bitcoins are added to the circulating supply gradually decreases along a defined schedule that is built into the code.

Starting at 50 bitcoins per block a new block is added approximately every 10 minutes , the issuance rate is cut in half approximately every four years. In May , the third halving reduced the issuance rate from At that point 18,, of the 21 million coins Incentive driven : A core set of participants, known as miners, are driven by profit to contribute the resources needed to maintain and secure the network. Through a process known as Proof-of-Work PoW , miners compete to add new blocks to the chain that constitutes the ledger the blockchain.

The hardware and energy costs associated with PoW mining contribute to the security of the network in a decentralized fashion along game-theory driven principles. The profit motive is considered important in this regard.