A definitive guide to crypto and blockchain

Bitcoin explained and made simple

Bitcoin, the most popular and well-known example of a cryptocurrency, came on the scene around 2010, with its evangelists proclaiming it would eventually displace government-backed traditional cash. While the concept of a digital currency may seem straightforward, the details can be deceptively simple. This quick video overview provides the foundation for a deeper dive into the world of decentralized currency.

A visual guide to how bitcoin transactions work and rely on cryptography

The "crypto-" in cryptocurrencies like bitcoin refers to the mathematical functions that generate pairs of public and private keys and encrypt data in blocks. When combined, these systems secure transactions on the network, verify digital asset and token transfers, and contribute to end-user anonymity.

Blockchain, explained in five layers of difficulty

Blockchain, the key technology behind bitcoin, is a new network that helps decentralize trade and allows for more peer-to-peer transactions. Wired challenged political scientist and blockchain researcher Bettina Warburg to explain blockchain technology to five different people: a child, a teen, a college student, a grad student, and an expert.

The benefits of cryptocurrency and blockchain technology

At 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.

Read the original white paper from Satoshi Nakamoto

Satoshi 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.

Using cryptocurrency to turn traditional financial arrangements on their head

Cryptocurrency 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 Chain Reaction podcast: The latest in bitcoin and blockchain developments

There are constantly new tokens, DeFi projects, NFT collections, and DAOs being launched, but how can you make sense of everything going on in the crypto space? TechCrunch senior crypto reporter Jacquelyn Melinek explores the impact of crypto on finance, art, web3, and society as a whole. One the best resources to keep up with actual—meaning, beyond the hype—developments in the world of bitcoin and blockchain.

Bitcoin started as a .PDF

Have you ever wondered how bitcoin became, well, bitcoin? In this podcast episode, journalist PJ Vogt dives into what drove the bitcoin hype machine, explaining how it became the phenomenon it is today.

The industries ripe for disruption by blockchain and cryptocurrencies

Blockchain—what is it good for? Lots of things, it would seem. Peruse this guide from The Motley Fool site and learn about different applications and use cases for blockchain technology. Financial exchanges, real estate, insurance, voting, an gambling are just a few of the 15 applications discussed here.

Princeton University offers a free online bitcoin course

Want to understand bitcoin and cryptocurrencies? A free online course from Princeton University unpacks the details of bitcoin, from how it works to what distinguishes it from other currencies, to the security and anonymity associated with its use. Explore explainer videos, or take the course as a series of lessons.

The future of the internet

Blockchain? Crypto? NFTs? Oh my. Gilles DC provides a simple breakdown of what Web3 is, what it involves, its connection with web currencies, and how you can begin your own explorations of this brave new world. Gilles promises to describe Web3 in one take, explain how the reader can take advantage of it, and how blockchain might build a better society as a result.

Why blockchain applications are worth investing and building

Chris Dixon is a general partner at Andreessen Horowitz. In this hourlong podcast episode, Dixon shares his overall thesis for investing in the cryptocurrency space, the opportunities and limitations of blockchain applications, and why this is the most interesting area for investing and building over the next 10 years.

The 10 most important (other) cryptocurrencies

Bitcoin has not only been a trendsetter, ushering in a wave of cryptocurrencies built on a decentralized peer-to-peer network, but has also become the de facto standard for cryptocurrencies. But it's not the only one. Here are some cryptocurrencies that have held on throughout steep price climbs and nosedives.

Crypto's origins date back to 1983

While crypto feels new, it actually dates to 1983, with eCash's creation. However, a lot has happened in the crypto world over the past few years in particular—crypto's market cap surpassed $2T for the first time in 2021, for instance. A timeline of crypto's history details the events in between.

Venture firm a16z's crypto canon

Andreessen 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.

Cryptocurrency wallets for beginners

Cryptocurrency 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.

Check the real-time price of bitcoin

Bitcoin has gone through several boom and bust cycles. Those peaks and valleys sit on top of a steadily rising value, growing as the currency gains wider adoption. As of 2024, bitcoin’s total market value was over $1.3T, with more than 19.6 million coins in circulation. Still, the value fluctuates.

A framework for understanding the metaverse

An article answering some of the metaverse's most foundational questions: How much of the metaverse is already here? When will the rest arrive? And how will it grow?

Crypto exchanges are online platforms to buy, sell, and exchange cryptocurrencies

Crypto exchanges have grown alongside and fueled the boom in digital currencies. Popular exchanges like Coinbase, Kraken, and Binance each have separate features, fee structures, and more. You can learn how to begin with the platforms, how to carry out research, and when to be aware of the associated risks.

A look at the biography of Sam Bankman-Fried by author Michael Lewis

Michael Lewis released a book, "Going Infinite," on the day the subject of the book began his high-profile fraud trial. The book delves into the life of Sam Bankman-Fried, a young billionaire in the cryptocurrency world. Find out what the bestselling author discovered over two years and 100 interviews with Bankman-Fried.

A beginner's guide to creating your own NFT

It took 12 hours and three different Apple devices, but this 30-something poet successfully minted her first NFT, and so can you. Here’s a step-by-step guide to creating an NFT.

Inside Vitalik Buterin’s trip to Russia

A Vice reporter heads to Russia, where he documents Ethereum founder Vitalik Buterin’s time there. Buterin, then 23, attends events in the country to raise awareness about Ethereum and its potential to pave the way for a new financial future. At the same time, Vice notes that Russia’s interest in crypto could stem from its potential to allow the country to evade international sanctions. Watch the full video here.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Explore a visual timeline of fintech’s history and growth

From the debut of the world’s first ATM in 1967, to Apple Pay launching in 2014, financial technologies have come a very long way in a relatively short historical period. A colorful visual timeline highlights some of the most important milestones along the way.

Crunching the numbers on the cost of ransomware

This blog is a preview of the 2022 Crypto Crime Report, offering a summary of ransomware activity in 2021, the most active strains of ransomware, and more (w/ data, charts, and illustrations).

The lifecycle of a financial bubble often follows a predictable pattern

Economist Hyman Minsky originated what became a five-stage model of an economic bubble: a new “displacement,” a rapid boom, euphoric speculation, early profit-taking by insiders, and finally panic selling. From Japan’s 1980s real-estate surge to the 2008 crash, the pattern repeats across eras and assets.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

Watch this video that uses Lego bricks to explain how venture capital works.

A century of Billboard issues documenting the evolution of popular music.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Read a deep dive on the 'all-purpose healing' peptide BPC-157.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Explore our favorite visualization of the immense scale of space, from an astronaut to the size of the observable universe

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

In recent years a child anxiety expert has created and tested a novel phobia and anxiety treatment approach for children, focused on changing how parents respond to the fears.