A taxonomy of blockchain-based assets—and why Bitcoin should not be used as shorthand for every token. The explanation separates the asset's technical design from claims made by issuers, markets, or promoters.
- Crypto assets are not interchangeable.
- Governance and issuance deserve asset-specific research.
- A token should have a clear role beyond speculation.
A broad category
Cryptocurrency can describe native network assets, stablecoins, governance tokens and many other instruments. They differ in issuance, control, legal claims and technical dependence.
Decentralization is a spectrum
Count validators, but also examine who changes software, controls keys, funds development, hosts infrastructure and can freeze assets. A large node count does not answer every governance question.
Check control as well as code. Token supply, upgrades, custody, governance, and market access may depend on different parties.
Research the claim
Ask what problem requires a token, how supply changes, who received the initial allocation and what users must trust. Treat yield and return claims as risks to explain rather than benefits to assume.
The family and its members
'Cryptocurrency' covers thousands of assets with little in common beyond a public ledger and digital signatures. Bitcoin is a fixed-supply monetary network with no issuer. Ether is the fuel of a programmable platform. Stablecoins are tokens issued by companies that promise redemption for a dollar. Governance tokens confer votes in a protocol. Exchange tokens grant fee discounts.
Meme tokens are issued in vast quantities with no function beyond trading. Each has a different answer to who can create units, who can change the rules and what, if anything, backs it, and those answers matter more than the shared label.
Questions that sort them
Who issues it, and can they issue more? Who can change the code, and how many people must agree? Can anyone freeze or reverse a transfer? Where does its value come from — scarcity, fees paid to use a network, a redemption promise, or expectation alone? How many independent nodes validate it? Is the market for it deep or a single thin pool?
Bitcoin's answers are: no one, no one without broad agreement, no one, scarcity and use, tens of thousands, and deep. A project that cannot answer these plainly is telling you something.
Why most of it is not like Bitcoin
Bitcoin was released without a founder's allocation, a company or a fundraising round, and its rules have barely changed. Most later projects launched with tokens held by founders and investors, a foundation or company that steers development, and upgrade powers concentrated in a few keys.
That is not automatically wrong — it is how software companies work — but it means their tokens are closer to equity in a venture than to a monetary asset, and they carry the venture's risks. The price directory on this site profiles each asset by these controls rather than by price alone.
Separate the token from the claim
Record who can change supply, code, access, or custody, then check whether the claimed use requires trusting that party. A market price does not answer those control questions.
Common questions
Are all cryptocurrencies like Bitcoin?
No. Bitcoin is a single-purpose network with fixed rules and no issuer. Many other assets are tokens on programmable platforms, are issued by companies, or can be changed by a small group. The word covers designs with very different trust assumptions.
What is the difference between a coin and a token?
A coin is the native asset of its own blockchain, such as BTC or ETH. A token is issued by a contract on someone else's chain, so it inherits that chain's security but adds the token issuer's rules and controls.
How many cryptocurrencies exist?
Tens of thousands have been created, most with little liquidity or activity. A small number account for almost all trading and holding, and a listing on a price site is not evidence of a working project.
Sources and further reading
Primary documents this guide draws on. Links open the original publisher.
- Crypto assets U.S. Securities and Exchange Commission, Investor.gov
- What to know about cryptocurrency and scams U.S. Federal Trade Commission
- Bitcoin: A Peer-to-Peer Electronic Cash System Satoshi Nakamoto, 2008
- Ethereum whitepaper ethereum.org