Block Chain - Token

Token is a digital asset created and managed on an existing blockchain using smart contracts. Unlike cryptocurrencies, tokens do not have their own blockchain.

Core Explanation (Exam-Focused)

  1. Blockchain-Dependent
    Tokens operate on platforms like Ethereum, Binance Smart Chain, or Solana.

  2. Smart Contract Based
    Created through smart contracts that define supply, transfer rules, and functionality.

  3. No Native Mining
    Tokens are minted or issued, not mined like Bitcoin.

  4. Represents Value or Rights
    Can represent assets, access rights, ownership, or utility.

  5. Standardized Formats
    Follow token standards for compatibility.

Common Token Types

  1. Utility Token
    Provides access to services or products.
    Example: UNI (Uniswap)

  2. Security Token
    Represents ownership or investment contracts; regulated.
    Example: Tokenized shares

  3. Governance Token
    Grants voting rights in decentralized systems.
    Example: COMP (Compound)

  4. Stablecoin Token
    Pegged to fiat or assets to reduce volatility.
    Example: USDT, USDC

  5. Non-Fungible Token (NFT)
    Unique and non-interchangeable digital assets.
    Example: Digital art, collectibles

Token Standards (Key for Exams)

  • ERC-20 – Fungible tokens

  • ERC-721 – Non-fungible tokens (NFTs)

  • ERC-1155 – Semi-fungible / batch tokens

Token vs Cryptocurrency (Key Difference)

Aspect Token Cryptocurrency
Own blockchain No Yes
Creation Smart contract Mining / staking
Example USDT, UNI BTC, ETH

One-Line Definition (Exam Use)

A token is a blockchain-based