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Token

A token is a digital unit of value issued on top of an existing blockchain, representing assets, rights, or utility within a specific ecosystem. Unlike native cryptocurrencies, which are the base unit of a network, tokens are created via smart contracts and operate according to the rules defined by their underlying protocol. They can represent anything from fractional ownership of real estate or voting rights in a DAO to digital collectibles and access tokens.

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Definition

A token is a digital unit of value issued on top of an existing blockchain, representing assets, rights, or utility within a specific ecosystem. Unlike native cryptocurrencies, which are the base unit of a network, tokens are created via smart contracts and operate according to the rules defined by their underlying protocol. They can represent anything from fractional ownership of real estate or voting rights in a DAO to digital collectibles and access tokens.

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Simple explanation

Think of a token like a carnival ticket or a casino chip. While the casino itself is the ‘blockchain,’ the chip is the token you use to play a specific game inside. Tokens allow you to perform actions, gain access, or prove ownership of something special within a digital world.

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Why it matters

Tokens enable the tokenization of real-world assets and facilitate complex economic models in decentralized applications. They act as the glue for incentives, governance, and utility in the growing Web3 economy.

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How it works

Tokens are created using standardized smart contract protocols like ERC-20 or ERC-721. They track ownership and transfer balances on the distributed ledger, governed by code that defines supply, issuance, and usage. Because they are programmable, they can automatically trigger functions based on specific user actions.

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Real-world example

The Uniswap (UNI) governance token allows holders to vote on protocol changes, while USDC serves as a stablecoin token representing US dollars on-chain.

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Advantages

  • Programmable utility and logic
  • Facilitates fractional asset ownership
  • Promotes decentralized governance

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Limitations

  • Dependent on underlying network security
  • High volatility and regulatory uncertainty
  • Potential for smart contract vulnerabilities

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Common misconceptions

  • Many believe that all tokens are cryptocurrencies meant to function as money.
  • It is incorrect to assume that holding a token grants you ownership of the actual company.
Canonical knowledge ID: glossary:token