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CryptocurrencyColloquially known as “crypto,” cryptocurrencies are forms of digital currency that evolved a wide variety of uses in recent years. Advocates of cryptocurrency point to several advantages: instant transfer of funds, protection against inflation, and much more. Among their key features is decentralization, meaning that unlike traditional money, they generally aren’t controlled by a single authority like a bank or government. As of early 2025, cryptocurrencies had a cumulative market cap of almost $3.4T, making them worth more than some of the world’s most valuable companies, like Google and Amazon (both valued at roughly $2.3T). A recent survey found roughly 17% of US adults had invested in, traded, or used cryptocurrency. Critics argue cryptocurrencies are susceptible to boom-and-bust cycles, making investments risky for those without a clear understanding of the ecosystem.Explore Cryptocurrency

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Cryptocurrency and data center growth are expected to increase greenhouse gas emissionsAn analysis from the Open Energy Outlook Initiative estimates a 30% increase in emissions through 2030, as growing energy demands in regions where data centers are being built (20%-30%) far exceed the traditional growth rate of utilities in those areas (1%-2%). The emissions spike is expected to equal France's annual carbon output. Carnegie Melon University Lack of regulation makes cryptocurrency a hotbed for money launderingCryptocurrency is largely anonymous and widely unregulated worldwide. As a result, crypto-to-cash schemes have become a highly prevalent money laundering tactic that allows criminals to commit financial crimes with crypto accounts and then "clean" the money by selling crypto for cash. International Consortium of Investigative Journalists A company called Bluprynt is combating counterfeit cryptocurrencyWhile some cryptocurrency advocates might argue that it’s more difficult to counterfeit crypto than physical currency, some estimate that fake cryptocurrencies are losing crypto users at least $1.6B each year. Yahoo Finance Alternative investments can include everything from cryptocurrency to fine artThe financial assets typically fall outside the scope of traditional investments like stocks and bonds, and they’re often intended to diversify investor portfolios. Investopedia Crypto ETFs are driving cryptocurrency adoptionIn 2024, the SEC approved ETFs that track the price of bitcoin called spot bitcoin ETFs. These funds have since significantly increased investment inflows into cryptocurrency markets. CoinMarketCap Memecoins are cryptocurrency created around popular 'memes,' or viral internet jokesDogecoin is perhaps the most famous “memecoin.” While they tend to be more volatile than other types of crypto (after all, they’re often created due to ephemeral trends), that doesn’t mean they can’t be valuable: Dogecoin is currently one of the most valuable cryptocurrencies in the world. Kraken Ethereum is a blockchain-powered operating system known for its cryptocurrency, etherEthereum's underlying blockchain allows developers to build decentralized applications (dApps) that leverage smart contracts to seamlessly run decentralized financial tools (crypto wallets, exchanges, marketplaces, and more), along with Web3 concepts like non-fungible tokens. CB Insights Many bitcoin enthusiasts have compared the cryptocurrency to digital goldGold is valued for its stability and reliability, serving as a hedge against inflation and economic uncertainty. Bitcoin shares both of these characteristics, but also provides near-instant liquidity and isn’t subject to government regulation. Money 17% of US adults said they had invested, traded, or used cryptocurrency in 2023A survey from the Pew Research Center found that 63% of US adults have “little to no confidence that current ways to invest in, trade, or use cryptocurrencies are reliable and safe.” Pew Research Center Some venture capitalists believe cryptocurrency will revolutionize global financeSome of the brightest minds at Andreesen-Horowitz, one of the country’s leading venture capital firms, believe the cryptocurrency ecosystem will revolutionize global finance in the coming decades. This podcast recounts, through their view, the history of crypto, how it works, and trends they see emerging in the future. Andreessen Horowitz Cryptocurrency is reshaping finance, but its environmental impact often sparks debateBehind the scenes, mining operations consume vast amounts of energy, comparable to the emissions of small nations. What drives this surprising environmental footprint, and can the industry evolve? 1440 Bitcoin is the oldest and most popular cryptocurrencyBitcoin is a digital cash alternative introduced in 2009 that rapidly grew in popularity and now boasts a global user base. Enthusiasts point to bitcoin’s decentralized nature—meaning it is not created or controlled by any central government—lending it several potential advantages. 1440 Cryptocurrency acts as a store of valueTraditional money, dating back to its first known uses in ancient Babylonia, has many uses—it reduces friction in transactions by providing a common denominator of value (unit of account), acts as a single item accepted by many vendors (medium of exchange), and holds wealth as a store of value. Bitcoin Magazine Cryptocurrency's roots stretch back five decadesIn 1976, a pair of computer scientists released a protocol for cryptographic communications, sparking the nascent field of sending secure information over the future internet. More than a decade later, the first attempt at an anonymous, digital cash alternative was made. Trust Machines Two Papa John’s pizzas were the first real-world transaction involving cryptocurrencyIn 2010, a programmer Laszlo Hanyecz made the first real-world transaction involving cryptocurrency—purchasing two Papa John’s pizzas for 10,000 bitcoins. While the transaction was lauded as a milestone for cryptocurrency, it has also become a tongue-in-cheek cautionary tale—the value of the purchase price exceeded $620M at bitcoin’s all-time high. 60 Minutes Worldcoin: the cryptocurrency collecting biometric dataAn ambitious project launched by OpenAI's founder Sam Altman, Worldcoin aims to provide a global financial and identity network based on proof of personhood through biometric scanning of individuals' irises. IEEE Spectrum The benefits of cryptocurrency and blockchain technologyAt the root of cryptocurrencies' allure is blockchain technology, an innovation bringing profound transformations to industries, especially the financial industry. This simple article breaks down the difference between cryptocurrencies and blockchain as well as the benefits of each. MakerDAO Cryptocurrency wallets for beginnersCryptocurrency wallets come in many types. Here, we present the details, comparing the wallets’ features so that you can choose the best crypto wallet for your needs. Gemini Worldwide cryptocurrency heists trackerA look at the biggest cryptocurrency heists, be they from an exchange, smart contract, or a business, including amounts, methods, reparations, and consequences. Comparitech The most important blockchain and cryptocurrency terms and jargonLearn all of the most important blockchain and cryptocurrency terms and jargon here. We add new words and descriptions every week. CoinMarketCap Alexandria Using cryptocurrency to turn traditional financial arrangements on their headCryptocurrency is poised to drastically change everything in the financial world, including financial arrangements. Decentralized finance makes it easier for virtually anyone to take advantage of financial markets without the need for a bank. However, there are new risks involved as well. Professor of Legal Studies and Business Ethics Kevin Werbach, an expert on Bitcoin and blockchains discusses it all in detail in The Conversation. The Conversation US The cryptocurrency equivalent of going publicAn initial coin offering (ICO) is cryptocurrency's version of an initial public offering (IPO). Similar to the way a company offers shares on the stock market for the first time, ICOs occur when a cryptocurrency company seeks to raise funding for a new coin, app, or service. If you're entering the field, get the details on how it all works. Investopedia A beginner’s guide to Ethereum, the second-biggest cryptocurrencyIf you've heard of Ethereum, you might assume it's another form of cryptocurrency, like Bitcoin. Not exactly. The two have different goals, features, and technology. Ethereum is a blockchain-based software platform for which the cryptocurrency called Ether was created. Ethereum is used for developing, using smart contracts, distributed applications, and more. Learn all about its history and use in this Cointelegraph article. Cointelegraph A list of major companies that accept cryptocurrency as paymentHave a fistful of Bitcoin? SpendMeNot provides a fascinating infographic that shows which companies currently accept the cryptocurrency. If you want to know where you can engage in Bitcoin transactions, this extensive resource directs you to the right merchants. Food, jewelry, banks, travel services and more are all represented here. SpendMeNot Want to begin trading in cryptocurrency? Check out these exchangesExplore the current cryptocurrency market. CoinMarketCap tracks 242 spot exchanges where various cryptocurrencies are traded. Newbie and experienced traders will find timely exchange ranks and scores charted according to traffic, liquidity, and trading volumes. CoinMarketCap promises legitimacy in all trading volumes reported. CoinMarketCap Why cryptocurrency matters from Andreesen Horowitz general partnerIn this hourlong video, Andreessen Horowitz (a16z) General Partner Chris Dixon discusses “Crypto Networks and Why They Matter,” giving an overview of the cryptocurrency space, the transformative implications of its technology, and the potential for cryptocurrency networks to lead a new wave of innovation. YouTube Browse over 300 issues of influential music magazine The New Musical ExpressThe British publication was responsible for some of the best coverage of spunky punk and rock. This treasure trove collects issues from 1969 - 1983, offering you a fascinating window into how legendary acts like the Clash and Talking Heads were being discussed before they were considered legends. Internet Archive Donald Trump's Truth Social social media platform is launching a prediction marketNamed "Truth Predict," the cryptocurrency-based prediction market will allow users of the Truth Social social media platform to place crypto bets on the outcome of certain events (think: sports games, the economy, and political races). Truth Social is primarily owned by President Donald Trump and his family. WIRED Silk Road, the dark web's first widely used market, proved the real-world utility of bitcoinNamed after the ancient intercontinental trade network between China and the Roman Empire, the anonymous market was active from early 2011 to October 2013. Before it was shut down, approximately 10,000 products—70% of which were illegal and controlled prescription drugs—were bought and sold using the cryptocurrency. Stuff You Should Know As of 2025, an estimated $3.2B in annual revenue flows through dark web platformsThe untraceable cryptocurrency Monero is used in about 60% of transactions across more than 37 active marketplaces that sell copyrighted materials, private information, and phishing kits—tools that help bad actors more easily create fake sites to steal users' data—for financial fraud. SQ Magazine Visualizing the world's $261T in investable assetsNearly half of the world's portfolio of stocks and bonds originate in the US. Roughly 1% of all investable assets are in the form of cryptocurrency. Visual Capitalist The Dow now tracks 30 major US companies across various industriesSince 1928, the DJIA has included 30 firms. Today's group spans technology, healthcare, and finance—with Apple, Microsoft, JPMorgan Chase, Pfizer, and Coca-Cola among its most recognized components. CNBC Fintech could help democratize access to bankingMore than 1.3 billion adults worldwide do not have access to basic banking services as of this writing—but some experts believe that the fintech industry can help with that by targeting groups of people who have historically been underserved by traditional banks. UN Trade and Development (UNCTAD)The story of a bitcoin loophole that gave one man millionsJames Parker discovered a glitch in an Australian cryptocurrency exchange that would allow him to cash in credits worth over $20M and make big gifts to his friends. Like most loopholes, the authorities found out, but not before his life was transformed. The first in a six-part series. Global NFTs do not automatically come with intellectual property rightsNFTs face regulatory and legal hurdles and are susceptible to scams, making them a riskier investment that buyers need to do their due diligence on. Cointelegraph How the people behind spam text messages make moneyIf you've ever gotten a text message from a scammer—sometimes even just someone from an unknown number saying hello and calling you by the wrong name—you've probably wondered what they're trying to get out of you. This podcast answers that question. Hint: The answer has to do with cryptocurrency. Spotify Cathie Wood is one of the most famous modern figures in ETF investingCathie Wood is the fund manager and stock picker behind Ark Invest and its flagship Ark Innovation ETF. Her strategy centers around disruptive technology, and she’s made bold bets on cryptocurrency and companies like Tesla, Robinhood, and Nvidia. Wood has a loyal following of retail investors who watch her daily trades religiously. CNBC The SEC recently approved bitcoin ETFs in landmark investing decisionIn January 2024, the US Securities and Exchange Commission made history when it decided to allow fund issuers to launch bitcoin ETFs. This new class of exchange-traded fund tracks spot bitcoin prices, essentially allowing investors to hold bitcoin without actually having to buy the crypto. CoinDesk Crypto history's is full of bizarre storiesDigital currencies based solely on misspellings of former President Joe Biden’s name have skyrocketed, and backers of a token based on a Shiba Inu wearing a hat raised $690K to get their logo on the Las Vegas Sphere. The Defiant The similarities and differences between bitcoin and ethereumEthereum is the second-largest cryptocurrency by market cap behind Bitcoin. Usually, that comparison just scratches the surface of the overall market cap. Instead, a visual pits the tokens up against each other on a per-token basis and shows how and why the Ethereum/bitcoin ratio has fluctuated over time. Visual Capitalist Dogecoin, the seminal memecoin that has no specific useDogecoin has ridden a wave of enthusiasm to become one of the most valuable cryptocurrencies. Created in 2013 by software engineers as a joke, the token has become the poster child for the viral and unpredictable nature of the cryptocurrency market, and has inspired tens of thousands of imitator coins. Marques Brownlee eCash paved the way for today’s popular crypto investmentsBitcoin is typically cited as the first decentralized cryptocurrency. But some argue that back in the 1990s, eCash was technically the first cryptocurrency, although it wasn't decentralized. Investopedia Venture firm a16z's crypto canonAndreessen Horowitz (a16z) is a leading venture capital firm with deep expertise in cryptocurrency and blockchain technology. For 10 years, the firm has built its internal knowledge in the area, and archived a wide range of explainers exploring everything from fundamentals to emerging crypto trends, and much more. a16z crypto Solana is a blockchain designed for fast, scalable, low-cost transactionsSolana uses a unique Proof-of-History and Proof-of-Stake hybrid to process thousands of transactions per second. Solana supports a wide range of Web3 applications, offering an alternative to Ethereum with lower fees and faster speeds. Its native cryptocurrency, SOL, is used for transactions, staking, and governance. Whiteboard Crypto Bitcoin's founder has always remained anonymousA pseudonym used by the person or group of people who created bitcoin—the first decentralized cryptocurrency—the real identity of Satoshi Nakamoto has baffled millions of enthusiasts for years. 1440 Explore a bank of deep-dive video lectures from leading venture capital firm a16zCrypto Startup School from a16z is a series of lectures and discussions given by experts to help technologists learn how to build cryptocurrency companies. Andreessen Horowitz An up-to-date, complete ranking of coins by market cap and their current valueAs of this writing, the top three cryptocurrencies ranked by market cap are Bitcoin, Ethereum, and XRP, in that order. Dogecoin, the first-ever “memecoin,” was created as a joke in 2013, and it’s now the ninth-most valuable form of cryptocurrency in the world. CoinMarketCap Only 21 million bitcoin will ever be created—what happens then?Bitcoin is a popular cryptocurrency with a finite supply, and the issuance of new bitcoins is currently offered as a reward for verifying the transactions on the blockchain. Experts say the currency won’t reach its limit until the year 2140, and miners may ultimately rely on transaction fees. Investopedia Read the original white paper from Satoshi NakamotoSatoshi Nakamoto's original introductory paper "Bitcoin: A Peer-to-Peer Electronic Cash System," is required reading for anyone who wishes to understand the cryptocurrency. Bitcoin.org provides assorted translations. While Nakamoto's identity remains a mystery, his ideas are neatly laid out here, along with supporting documentation. Nakamoto Institute Cryptocurrencies are forms of digital currencyCryptocurrency's key feature is decentralization. Unlike traditional money, they generally aren’t controlled by a single authority. As of early 2025, cryptocurrencies had a cumulative market cap of almost $3.4T, making them worth more than some of the world’s most valuable companies, like Google and Amazon (both valued at roughly $2.3T). Investopedia

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