GLOSSARY · BLOCKCHAIN & WEB3
Token
What a token is on a blockchain: meaning, types (utility, security, NFT, EMT and ART), and how it differs from a cryptocurrency and a payment token.
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What is a token?
A token is a digital unit recorded on a blockchain that represents a value, a right or access, and that can be transferred from one address to another without a central intermediary. It is created and managed by a smart contract deployed on an existing network, such as Ethereum, using standards such as ERC-20 (fungible tokens), ERC-721 (non-fungible) or ERC-1155 (several types in one contract). Being easy to create says nothing about its value or its legal status: that depends on the right it represents.
Token, cryptocurrency and currency.
- Native cryptocurrency (BTC on Bitcoin, ETH on Ethereum): part of the protocol itself, used to pay network fees. A token, by contrast, lives inside a contract on that network.
- Token: any asset issued by contract on a blockchain. It can be a stablecoin, an access right or a tokenized security.
- Legal tender: issued by a central bank. In the euro area, euro cash is the only legal tender, according to the Council of the EU; neither cryptocurrencies nor tokens are.
In the EU, MiCA calls both cryptocurrencies and tokens a "crypto-asset": a digital representation of a value or of a right that can be transferred and stored electronically using distributed ledger technology or similar technology (Art. 3(1)(5) of Regulation (EU) 2023/1114).
Types of token. By function and legal status:
- Utility token: only provides access to a good or a service supplied by its issuer (Art. 3(1)(9) of MiCA).
- Security token: represents a financial instrument, such as a share or a bond. It falls under securities law, not MiCA, which excludes financial instruments (Art. 2(4)(a)).
- Fungible or non-fungible: a fungible token is interchangeable with another identical one (ERC-20); an NFT is unique (ERC-721). MiCA does not apply to crypto-assets that are unique and not fungible (Art. 2(3)).
- Regulated stablecoins: an EMT is referenced to a single official currency (Art. 3(1)(7)) and an ART to other assets or a combination (Art. 3(1)(6)).
- Governance token: lets holders vote on decisions of a protocol or a decentralized organization.
How one is created. The contract is coded and audited, deployed on the chosen network, and it defines who may issue (mint), destroy (burn) or restrict transfers. If the token is a security, the issuance also needs the matching legal structure.
Not to be confused with. In payments, tokenizing a card means replacing its real number with another code that only works for paying in a specific context, such as a phone (we explain it in card tokenization). In IT security, an authentication token is a temporary code or a two-factor device, such as the code a bank sends to confirm a transaction. Neither is a blockchain token.
Official sources: Regulation (EU) 2023/1114, MiCA (EUR-Lex); ERC-20: Token Standard; ERC-721: Non-Fungible Token Standard; ERC-1155: Multi Token Standard; Council of the EU press release, Dec. 19, 2025 (legal tender of cash).
Framework verified as of October 13, 2026. At Unknown Gravity we design and build tokens and their smart contracts. The legal classification is the responsibility of the client's legal counsel, with whom we work. Talk to us.
Learn more: What Is Blockchain and How Does It Work? Types, Real Examples and Limits
Explained simply
A token is a digital chip that lives on a blockchain. It can represent money, an access right, a vote or a share of an asset, and it moves from one wallet to another like a message. It is not the same as a cryptocurrency such as bitcoin, nor the code or "token" your bank sends you to confirm a payment.
Token: key points
- A digital unit created by a smart contract on an existing blockchain
- Common Ethereum standards: ERC-20, ERC-721 and ERC-1155
- Types: utility, security, fungible or non-fungible, EMT and ART
- Its legal status depends on the right it represents: MiCA or securities law
- A payment or authentication token is not a blockchain token
Token: advantages
- Programmable: issuance and transfer rules live in the contract
- Transferable and traceable: every movement is recorded on the network
- Interoperable with wallets and apps that follow the same standard
Token: disadvantages
- Technical risk: a bug in the contract can lock or expose funds
- Legal risk: if it represents a financial instrument, securities law applies
- Creating one is easy; giving it utility or value is not
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