A coin is the native asset of its own blockchain, while a token is built on top of someone else's blockchain rather than having one of its own. Bitcoin is a coin; most everything else you've heard of that isn't a base-layer network is a token. Both count as cryptocurrency, but the distinction matters for how each actually works. The Ethereum Foundation's glossary defines both terms precisely if you want the formal wording.

Definitions

A coin runs on its own independent blockchain and is typically used to pay transaction fees on that network. A token is created using another blockchain's existing infrastructure, most commonly Ethereum, following a standard set of rules rather than building new network infrastructure from scratch.

Underneath, they are recorded in genuinely different ways, and this is the part worth holding on to. A coin balance is tracked by the blockchain's own core rules, at the same level as the network itself. A token balance is just a number stored inside a smart contract, which is an application running on that blockchain. Your ETH is written into Ethereum's ledger; your USDC is an entry in a contract's internal accounting that Ethereum happens to host. Both show up in your wallet and both move when you send them, so the difference is invisible day to day, and then suddenly is not.

Native coins

Bitcoin, Ether, and Solana's SOL are all coins: each secures and pays for transactions on its own chain. Creating a new coin generally means building an entirely new blockchain, a significant undertaking.

Coins also carry a job that tokens cannot: they pay the people securing the network. Miners and validators are compensated in the chain's native coin, which is what makes the security budget work, and it is why every chain needs one and can only have one. The coin is not an application on the network. It is part of how the network stays alive.

This is why launching a credible coin is so much harder than launching a token, and why so few succeed. A new token needs a contract and a few minutes. A new coin needs a chain, which means it needs miners or validators, which means it needs enough people willing to commit hardware or capital to make attacking it uneconomic. Until that exists, the chain is a security guarantee nobody is enforcing. The technology has been freely available for a decade; the participants are the part you cannot copy.

Tokens on existing chains

Tokens are far easier to create because they piggyback on infrastructure that already exists. On Ethereum, the vast majority follow the ERC-20 standard, which is why thousands of tokens can exist without thousands of separate blockchains.

Easy is doing a lot of work in that sentence. Issuing a token is roughly an afternoon's work for anyone with basic technical skill, and the network does not vet it, because it cannot. That is the intended design and it is also why the token category contains both the largest stablecoins in the world and an endless supply of things created to separate people from money. The standard guarantees that a token behaves consistently in your wallet. It guarantees nothing whatsoever about whether the token is worth anything.

Examples

Bitcoin (BTC) and Ether (ETH) are coins. A project's governance or utility token issued on Ethereum, common among DeFi and NFT projects, is a token. Our guide to the main types of token maps the fuller landscape.

Three practical consequences follow from the distinction, and they are the reason it is worth knowing at all:

  • You need the coin to move the token. Sending USDC on Ethereum costs ETH, so a wallet holding only tokens is a wallet that cannot transact. Plenty of people have discovered this while trying to move funds in a hurry.
  • A token inherits its chain's security, and its problems. A token on Ethereum is exactly as available as Ethereum, and no more decentralized than the chain beneath it.
  • The same name can be several different tokens. USDC exists separately on Ethereum, Solana, and other chains, and sending one chain's version to an address on another is a standard way to lose funds permanently.

The line does blur at the edges, and it is fine to hold it loosely. Assets bridged between chains, and coins that exist in wrapped token form elsewhere, muddy the categories, and in everyday conversation people call all of it "tokens" or "coins" interchangeably without confusion. The distinction earns its keep in exactly two places: understanding why you need a chain's native asset to pay fees, and understanding what you are actually trusting when you hold something.

That second point is the one worth carrying away. Holding a coin means trusting a network: its consensus rules, its validators, and the fact that no individual can rewrite them. Holding a token means trusting all of that plus whoever wrote the contract, and often a company as well. A fiat-backed stablecoin is a token whose value depends entirely on an issuer holding real dollars and honoring redemptions, which is a completely different kind of promise from the one Bitcoin makes. Both live in the same wallet and look identical on the screen, and the risks behind them have almost nothing in common.