NFTs create a unique digital signature to prove ownership

The acronym NFT stands for non-fungible token

NFTs have developed as a secure way to use cryptocurrencies and the blockchain to create unique digital art, allowing the owner to prove ownership of a specific digital item.

NFTs can be used for fractionalized ownership of assets

Non-fungible token is a term used to describe a unique digital asset whose ownership is tracked on a blockchain, such as Ethereum.

NFTs are unique assets that exist on the blockchain

This SNL skit accurately defines non-fungible tokens in a song and skit. They are cryptographic tokens that represent digital assets like art, and their value can be volatile.

NFTs can be minted using an online marketplace or directly on the blockchain

Minting, or creating, an NFT is how NFTs are added to the blockchain. The process can be simplified by using a popular marketplace.

Smart contracts are the foundational technology behind NFTs

Smart contracts use “if that, then this” logic to track the ownership of NFTs and record when they are bought and sold on the blockchain.

Ethereum Founder Vitalik Buterin was surprised by the emergence of NFTs

Scams have pervaded the NFT space and made critics question their legitimacy, but proponents believe their use cases could one day extend to real estate and credit scores.

At their peak, some believed NFT royalties could create a new income source for artists

Non-fungible tokens’ role in the art world is evolving with experiments such as automated NFT royalties that generate income when an NFT is resold.

NFT trading volumes rose 700% in the third quarter of 2021

Non-fungible tokens, digital assets backed by smart contracts, gained mainstream recognition in 2021 as the digital assets’ popularity rose in tandem with investors’ appetite for risk. NFTs are unique and not divisible.

The biggest NFT projects that live on Ethereum include Bored Apes

Non-fungible tokens are primarily built on the Ethereum blockchain, though other blockchains host the tokens. NFT projects hosted on Ethereum include Bored Apes and plots of land in Decentraland.

NFTs have been leveraged by brands to represent physical and digital items

The buzz around non-fungible tokens has faded since 2021 to 2022, when brands including Prada and Starbucks launched their own NFTs. While Prada’s NFTs were linked to limited-edition fashion items, Starbucks’ were part of a loyalty program.

Learn about Web3 and how it differs from past versions of the internet

Web3 is the idea of a new, decentralized internet built on blockchain technology. It aims to shift control from centralized entities like big tech companies to users through distributed ledgers and smart contracts. Key components include cryptocurrencies, NFTs, and decentralized autonomous organizations (DAOs) that operate without a central authority. Web3 promises more user privacy, ownership, and control over data and digital assets.

Proof-of-work versus proof-of-stake: what's the difference?

The two main consensus mechanisms—the way blockchains confirm and enshrine information—are proof-of-stake and proof-of-work. An overview compares the differences between the two and the latter's ability to reduce the energy intensity of the computation process, which has emerged as one of the biggest criticisms of the crypto boom.

Digital passports allow identity verification to be digitized

By scanning the security chip on the back of passports and capturing images or video of a person, apps like Google Wallet and Apple Wallet create a digital version of the document. Some states have also developed their own apps for digital driver's licenses.

See how the concept of verification and addition to the blockchain works in real time.

Every transaction made via bitcoin is recorded on its blockchain—the decentralized, distributed ledger that provides a permanent and transparent record of the currency's entire history. While that may sound abstract, the technology allows anyone to monitor and confirm each of the transactions.

Every printed bill has its own unique serial number

In the US, each bill also has its own plate number, series year, Treasury seal, and more. Each design helps track money and combat counterfeiting.

A deed is a legal document that shows change of homeownership during a sale

A deed differs from a title, which is the actual right of ownership to a property, and a concept rather than a physical document. These days, many deeds are online rather than physical pieces of paper kept in a home.

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.

Cryptocurrency acts as a store of value

Traditional 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.

'NIL' in college sports refers to 'name, image, and likeness'

In 2021, the NCAA began allowing its student-athletes to profit from using their name, image, and likeness, now often called NIL. While this is now permitted by the NCAA, state law (and school policies) largely dictate what is permitted.

Graffiti exists in a legal gray area

"Street art" has become a major seller in the art world, yet many states still consider graffiti to be illegal vandalism. Copyright law complicates the situation further, offering protections for "original works of authorship fixed in a tangible medium of expression," even if they've been created illegally.

What is the creator economy?

The creator economy is a system powered by people creating online content for monetizable audiences. These “creators” and “influencers” make money off their digital audiences through brand deals or revenue shares with social media platforms.

Trademarks are a form of consumer protection

Trademarks help brands distinguish their products from competitors, but they also give consumers clarity around the product they are buying and where it comes from. Distinguishable names help prevent consumer confusion and maintain a consumer's ability to choose their preferred product and brand.

The features that make our voices unique

Human voices are about as unique as fingerprints: similar instruments but with endless variations. We each produce sound in the same physiological way, but when we talk we’re dropping clues about who we are, what we do, and where we’re from.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

The GENIUS Act passed in the US in 2025 was a major milestone for stablecoin regulation

GENIUS stands for the "Guiding and Establishing National Innovation for US Stablecoins." The GENIUS Act defines payment stablecoins as digital money rather than investments and was the first significant piece of stablecoin legislation in the United States.

Sailor tattoos represent naval milestones

Sailors often come home with mermaids or turtles adorning their bodies. But what does it mean to have permanent images of propellers on your bum, British galleons with soaring tiers of sails on your chest, or a bicep portrait of the Roman god Neptune? Those tattoos represent meaningful naval milestones.

Art and video produced through generative AI involve competing neural networks

Generative adversarial networks are a type of deep learning architecture that consists of a generator, which creates data that appear real, and a discriminator, which attempts to distinguish authentic from fake data. The two train in a competitive loop until the real and fictional data are indistinguishable.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

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.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

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%.

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

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

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

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Tattoos remain visible on your skin thanks to immune cells called macrophages

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.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'