What Is a Token?

Token Versus Coin

The cleanest test is the blockchain. A coin is the native asset of its own blockchain: Bitcoin on the Bitcoin network, Ether on Ethereum. A coin pays the network’s fees and rewards the people who secure it. A token has no chain of its own. It lives on someone else’s, using that chain’s smart contracts to exist and move. Most altcoins you see listed are tokens built on a handful of major chains.

The Standards That Make Tokens Work

Tokens follow shared blueprints called standards, and this is the quiet reason the system works at all. On Ethereum, ERC-20 (introduced in 2015) is the standard for fungible tokens, the interchangeable kind where one unit equals another. ERC-721 defines NFTs, where each token is unique, and ERC-1155 can do both. Other chains have their own: BEP-20 on BNB Chain, TRC-20 on Tron, SPL on Solana.

Because a token sticks to a standard, every wallet and exchange already knows how to read it. Build a token to the ERC-20 spec and it works in MetaMask, on exchanges and inside other apps on day one, without anyone writing special code for it. Standards are what turned tokens from a novelty into an ecosystem.

The Four Kinds of Token

• Stablecoins are pegged to a currency, usually the US dollar, and used as steady money for trading and payments.
• Governance tokens grant a vote over a protocol’s decisions, the fuel behind a DAO.
• Utility tokens buy access or services inside an app, more like a prepaid credit than an investment.
• Security tokens represent ownership in a real company or asset, and sit closest to traditional regulation.

A single token can blur these lines, which is exactly why regulators and courts spend so much time arguing over whether a given token is really a security in disguise.

Why There Are Over a Million of Them

Here is the part that reframes everything: more than 1.4 million ERC-20 tokens have been created, and that is one standard on one chain. The reason is simple. Minting a token to a standard takes minutes and a few dollars in fees, no company, no permission and no product required.

That openness is the point of crypto and also its biggest trap. The vast majority of tokens are abandoned experiments, copy-paste clones or outright scams with no users and no value. The label "token" tells you the technical format and nothing about whether it is worth a cent. Real questions, who uses it, what it does, who controls the supply, matter far more than the fact that it exists.

Tokens, Hype and Sentiment

Because tokens are so cheap to launch, they are the market’s purest expression of mood. In a greedy market, new tokens and memecoins pour out and trade frantically; in a fearful one, the flow stops and most quietly die. That rhythm is exactly what the Crypto Fear and Greed Index captures on a 0 to 100 scale. When token mania is everywhere, the index is usually flashing greed, which is the moment to be most careful, not least. A flood of new tokens and frantic trading is, in effect, greed made visible on-chain, and it tends to dry up the moment fear returns and the speculative appetite vanishes.