Crypto Gloss

Token

A token is a digital asset built on top of an existing blockchain using smart contracts, as opposed to a coin which runs on its own native network. Tokens can represent virtually anything — currency, governance rights, in-game items, real estate shares, or access to a service — and are one of the most versatile building blocks in cryptocurrency.

How It Works

Tokens are created by deploying a smart contract on a blockchain that supports programmable logic. The contract defines the token’s name, supply, transfer rules, and any special functionality. Most tokens follow established token standards that ensure compatibility with wallets, exchanges, and other contracts.

The host blockchain handles security, consensus, and transaction processing. Token transactions pay gas fees in the native coin (ETH on Ethereum, SOL on Solana, BNB on BNB Chain).

Major Token Standards

Standard Blockchain Type Use Case
ERC-20 Ethereum Fungible USDC, UNI, LINK, SHIB
ERC-721 Ethereum Non-fungible (NFT) Art, collectibles, PFPs
ERC-1155 Ethereum Multi-token Gaming items (fungible + NFT)
BEP-20 BNB Chain Fungible BNB Chain ecosystem tokens
SPL Solana Fungible/NFT Solana ecosystem tokens

Utility vs Security Tokens

  • Utility tokens provide access to a product or service within an ecosystem. Example: BAT (Basic Attention Token) pays users for watching ads in the Brave browser.
  • Security tokens represent ownership in an external asset — equity, debt, real estate, or revenue shares. These are subject to securities regulation in most jurisdictions.
  • Governance tokens grant voting power over protocol decisions (e.g., UNI for Uniswap governance, AAVE for Aave governance).

Fungible vs Non-Fungible

  • Fungible tokens (ERC-20) are interchangeable — one USDC equals any other USDC. Used for currencies, stablecoins, and governance.
  • Non-fungible tokens (NFTs, ERC-721) are unique — each has a distinct token ID and metadata. Used for art, collectibles, and proof of ownership.

History

  • 2015 — Ethereum launches, enabling smart contract-based token creation for the first time.
  • 2015 — ERC-20 standard proposed by Fabian Vogelsteller and Vitalik Buterin, creating a universal interface for fungible tokens.
  • 2017 — ICO boom. Thousands of ERC-20 tokens launch through Initial Coin Offerings, raising over $6 billion collectively. Many are scams or fail.
  • 2018 — ERC-721 standard finalized, defining non-fungible tokens. CryptoKitties had already demonstrated the concept in 2017.
  • 2018 — SEC cracks down on ICOs, declaring many unregistered tokens to be securities under the Howey Test.
  • 2019 — ERC-1155 introduced by Enjin, allowing a single contract to manage both fungible and non-fungible tokens.
  • 2020 — DeFi Summer sees governance tokens (COMP, UNI, SUSHI) airdropped to users, popularizing the governance token model.
  • 2021 — NFT mania pushes ERC-721 tokens into mainstream awareness. Beeple’s “Everydays” sells for $69 million at Christie’s.
  • 2023 — SEC classifies multiple tokens as securities, filing suits against major exchanges for listing unregistered securities.

Common Misconceptions

“All tokens are cryptocurrencies.”

Tokens can represent non-financial things — identity credentials, in-game items, voting rights, or carbon credits. Not all tokens function as money.

“Tokens and coins are the same.”

Coins (BTC, ETH, SOL) are native to their own blockchain and pay for network operations. Tokens are built on top of existing blockchains using smart contracts.

“ERC-20 tokens are always safe to hold.”

Anyone can deploy an ERC-20 contract. Scam tokens, honeypots (tokens you can buy but not sell), and rug pulls are common. Always verify contract addresses.

Criticisms

  1. Low barrier to scams — token creation is trivially easy, enabling rug pulls and pump-and-dump schemes.
  2. Regulatory ambiguity — the line between utility and security tokens remains disputed across jurisdictions.
  3. Token proliferation — hundreds of thousands of tokens exist, most with no real utility or value.
  4. Gas fee dependency — token transfers inherit the fee structure of the host chain, which can be expensive.
  5. Smart contract risk — bugs in token contracts can freeze funds or enable unlimited minting.

Social Media Sentiment

On r/CryptoCurrency, token discussions are dominated by new launches, airdrop farming, and scam warnings. The subreddit maintains an unofficial rule: “if someone DMs you about a token, it’s a scam.” On r/ethfinance, ERC-20 governance tokens are discussed constructively. Crypto Twitter is the primary venue for token launch announcements and hype cycles. Memecoin tokens on Solana gained intense attention through 2024–2025, with r/solana tracking breakout tokens daily.

Last updated: 2026-04

Related Terms

Sources

  • Buterin, V. (2014). A Next-Generation Smart Contract and Decentralized Application Platform (Ethereum Whitepaper). Ethereum Foundation.
  • Entriken, W., Shirley, D., Evans, J., & Sachs, N. (2018). EIP-721: Non-Fungible Token Standard. Ethereum Improvement Proposals. Ethereum Foundation.
  • Vogelsteller, F., & Buterin, V. (2015). EIP-20: Token Standard (ERC-20). Ethereum Improvement Proposals. Ethereum Foundation.
  • Cong, L. W., Li, Y., & Wang, N. (2021). Tokenomics: Dynamic Adoption and Valuation. The Review of Financial Studies, 34(3), 1105–1155.