A token is a digital asset created, issued, and managed on an existing blockchain platform through a smart contract, rather than operating on its own independent blockchain. Tokens represent programmable units of value that can embody a wide range of economic functions, from granting access to a decentralized application (utility tokens) and conferring voting rights in a protocol’s governance system (governance tokens) to representing fractional ownership of real-world assets like real estate, equities, or commodities (security tokens and real-world asset tokens). Unlike native cryptocurrencies such as Bitcoin (BTC) or Ether (ETH), which are integral to their respective blockchain’s consensus and security mechanisms, tokens are secondary assets that ride on top of an existing blockchain’s infrastructure.
The most common standard for token creation on Ethereum is the ERC-20 standard, which defines a uniform interface for fungible tokens, meaning tokens that are interchangeable and divisible, much like traditional currencies.
Since its formalization in 2015, the ERC-20 standard has been used to create hundreds of thousands of tokens, including USDT (Tether), USDC (USD Coin), UNI (Uniswap), LINK (Chainlink), AAVE, SHIB (Shiba Inu), and DAI (MakerDAO).
Other major token standards include ERC-721 (non-fungible tokens or NFTs), ERC-1155 (multi-token standard supporting both fungible and non-fungible tokens), and BEP-20 (the BNB Smart Chain equivalent of ERC-20).
Tokens are fundamental building blocks of the decentralized finance (DeFi) ecosystem, the NFT economy, decentralized autonomous organizations (DAOs), and the broader Web3 movement. They enable economic coordination at scale, allowing projects to distribute ownership, incentivize participation, and create liquid markets for digital goods and services, all without relying on traditional financial intermediaries.
As of 2026, there are well over a million distinct tokens tracked across all blockchain networks, with a combined market capitalization in the hundreds of billions of dollars, and the exact count keeps climbing as new tokens launch daily on low-cost chains.
The token economy extends beyond purely digital assets. The tokenization of real-world assets (RWAs), including U.S. Treasury bonds, real estate, private credit, and fine art, has emerged as one of the fastest-growing sectors in blockchain, with major financial institutions like BlackRock, JPMorgan, and Franklin Templeton launching tokenized fund products on Ethereum and other blockchains. The tokenized Treasury category alone grew from roughly $1 billion in early 2024 to well over $15 billion by mid-2026, and the broader tokenized RWA category, including private credit, commodities, and other asset types, has grown to over $30 billion.
Origin & History
2013: Mastercoin (later renamed Omni Layer) became one of the first projects to create tokens on top of the Bitcoin blockchain, demonstrating that a blockchain could host secondary assets beyond its native currency. Tether (USDT) was originally issued on the Omni Layer in 2014.
July 2015: The launch of Ethereum by Vitalik Buterin, Gavin Wood, and the Ethereum Foundation introduced a Turing-complete smart contract platform, making it dramatically easier to create custom tokens. Ethereum’s programmability transformed token creation from a complex technical challenge into a relatively straightforward smart contract deployment.
November 2015: Fabian Vogelsteller and Vitalik Buterin proposed ERC-20, a standard interface for fungible tokens on Ethereum. This proposal defined six core functions (totalSupply, balanceOf, transfer, transferFrom, approve, allowance) that all compliant tokens must implement, creating universal interoperability between tokens, wallets, exchanges, and DeFi protocols.
2016 to 2017: The Initial Coin Offering (ICO) boom exploded as hundreds of projects raised capital by selling ERC-20 tokens to investors. Notable ICOs included Filecoin ($257 million, September 2017), Tezos ($232 million, July 2017), Bancor ($153 million, June 2017), and EOS (roughly $4 billion over a year-long ICO from June 2017 to June 2018). The ease of creating ERC-20 tokens lowered the barrier to fundraising but also enabled widespread fraud and speculation.
January 2018: ERC-721 was formalized by William Entriken, Dieter Shirley, Jacob Evans, and Nastassia Sachs, establishing the standard for non-fungible tokens (NFTs). This standard, first popularized by CryptoKitties in late 2017, enabled unique, indivisible tokens representing digital art, collectibles, gaming assets, and identity credentials.
2018 to 2019: Regulatory crackdowns on ICOs by the U.S. Securities and Exchange Commission (SEC) and other global regulators led to the rise of Security Token Offerings (STOs) and the concept of security tokens: tokens that comply with securities regulations and represent legal ownership of financial assets.
2020 (DeFi Summer): The explosion of decentralized finance brought governance tokens to prominence. Compound’s distribution of COMP tokens to protocol users in June 2020 pioneered the “yield farming” model, where users earned governance tokens by providing liquidity or interacting with DeFi protocols. Uniswap’s retroactive airdrop of UNI tokens in September 2020 distributed several billion dollars in value to historical users over time, though its value at the moment of the airdrop itself was far smaller and grew substantially as UNI’s price rose in the following months.
2023: ERC-1155, created by Enjin’s Witek Radomski, had become the standard for gaming and metaverse tokens, supporting both fungible and non-fungible tokens within a single contract and enabling efficient batch transfers.
2024 to 2026: The tokenization of real-world assets (RWAs) gained significant institutional momentum. BlackRock launched the BUIDL fund, a tokenized U.S. Treasury fund on Ethereum, in March 2024 with an initial seed of roughly $100 million; it crossed $500 million in assets under management by the end of 2024, passed $1 billion in early 2025, and reached roughly $2.4 to $2.9 billion in assets under management across multiple chains by 2026, making it the largest single tokenized Treasury product. Franklin Templeton tokenized its money market fund on Polygon and Stellar, and JPMorgan developed its Onyx platform for tokenized assets. By 2026, the broader tokenized RWA sector had grown to more than $30 billion across all issuers and asset types.
“Tokens are the atomic unit of the new internet economy. Just as HTML pages were the building blocks of Web 1.0 and APIs were the connective tissue of Web 2.0, tokens are the programmable economic primitives of Web3. They encode value, ownership, access, and governance into transferable digital objects.” Vitalik Buterin, co-founder of Ethereum.
In Simple Terms
Think of a token like a casino chip. The casino (blockchain) creates the chips (tokens), and within the casino, those chips represent real value that can be exchanged for games, food, or cash. Different colored chips can represent different values or purposes, just as different tokens serve different functions on a blockchain.
Imagine a co-op grocery store that issues membership cards. The membership card (token) gives you access to the store, lets you vote on what products to stock, and earns you rewards when you shop. In the blockchain world, a token can similarly grant access to a platform, give you voting power, and reward you for participation.
A token is like a concert ticket that lives on the blockchain. The ticket proves you own something specific, the right to attend the concert, it can be transferred to someone else, and its authenticity can be verified by anyone. Some tokens are like general admission tickets, fungible, meaning any ticket is equivalent, while others are like assigned-seat tickets, non-fungible, meaning each one is unique.
Consider how a gift card for a specific store works. It holds value, but that value is only usable within that store’s ecosystem. Similarly, a utility token holds value within its specific blockchain platform; you need it to pay for services, access features, or participate in the network’s economy.
Important: Not all tokens are created equal. While some tokens represent legitimate utility, governance rights, or asset ownership, many tokens have been created purely for speculation or outright fraud. Investors should always conduct thorough research (due diligence) before purchasing any token, examining the team, technology, tokenomics (supply and distribution), regulatory status, and real-world utility. In many jurisdictions, tokens may be classified as securities and subject to financial regulations.
Key Technical Features
Token Standards
- ERC-20 (Ethereum): The foundational standard for fungible tokens, defining a universal interface with six core functions that enable wallets, exchanges, and smart contracts to interact with any compliant token identically
- ERC-721 (Ethereum): The standard for non-fungible tokens (NFTs), where each token has a unique identifier and is not interchangeable with any other token in the same contract
- ERC-1155 (Ethereum): A multi-token standard that supports both fungible and non-fungible tokens in a single contract, enabling efficient batch transfers and reducing gas costs
- BEP-20 (BNB Smart Chain): The BNB Smart Chain equivalent of ERC-20, maintaining interface compatibility while operating on a separate blockchain with lower fees
- SPL Tokens (Solana): The Solana Program Library token standard, using Solana’s account model rather than Ethereum’s contract-storage model, enabling sub-second transfers at negligible cost
Token Types by Function
- Utility tokens: Grant access to a platform’s services or features, such as FIL for Filecoin storage or BAT for Brave browser advertising
- Governance tokens: Confer voting rights in protocol decision-making, such as UNI for Uniswap governance, AAVE for Aave governance, or MKR for MakerDAO governance
- Security tokens: Represent legal ownership of financial assets and comply with securities regulations, such as tokenized equities, bonds, or real estate
- Stablecoins: Tokens pegged to the value of a fiat currency or commodity, such as USDT and USDC pegged to USD, or PAXG pegged to gold
- Wrapped tokens: Tokens that represent assets from one blockchain on another blockchain, such as WBTC representing Bitcoin on Ethereum, or WETH representing native ETH as an ERC-20
- Soulbound tokens (SBTs): Non-transferable tokens representing identity, credentials, or reputation, a concept proposed by Vitalik Buterin in 2022
How ERC-20 Token Creation Works
- A developer writes a Solidity smart contract that implements the ERC-20 interface, defining the token’s name, symbol, total supply, and decimal precision
- The contract is compiled into EVM bytecode and deployed to the Ethereum blockchain, or any EVM-compatible chain, using a deployment tool like Hardhat, Foundry, or Remix
- Upon deployment, the contract’s constructor function typically mints the initial token supply to the deployer’s address or distributes it according to predefined allocation logic
- The smart contract maintains an internal mapping, a key-value store, that tracks the token balance of every address that holds or interacts with the token
- When users transfer tokens, the contract’s transfer() function debits the sender’s balance and credits the recipient’s balance, emitting a Transfer event that wallets and block explorers use to display transaction history
- Users can approve other addresses, such as DeFi protocol contracts, to spend tokens on their behalf using the approve() function, enabling automated DeFi interactions like swaps, lending, and staking
Tokenomics Architecture
- Supply mechanics: Fixed supply (like UNI with 1 billion tokens), inflationary supply (continuous minting for staking rewards), or deflationary supply (token burning mechanisms that reduce circulating supply over time, provided burns outpace any new issuance)
- Distribution methods: ICO/IDO (public sale), airdrops (free distribution to qualifying addresses), liquidity mining (rewards for providing liquidity), and vesting schedules (time-locked allocations for team and investors)
- Fee mechanisms: Some tokens implement transfer fees, burn-on-transfer mechanics, or redistribution systems that automatically allocate a percentage of each transaction to holders or a treasury
Advantages & Disadvantages
| Advantages | Disadvantages |
|---|---|
| Permissionless Creation: Anyone can create a token by deploying a smart contract, democratizing access to digital asset issuance without intermediaries | Regulatory Uncertainty: Tokens may be classified as securities in many jurisdictions, exposing issuers and holders to legal risk if proper registration or exemptions are not obtained |
| Interoperability: Standardized interfaces (ERC-20, ERC-721) ensure that tokens work smoothly across wallets, exchanges, DeFi protocols, and cross-chain bridges | Scam Prevalence: The low barrier to token creation has enabled widespread fraud, including rug pulls, pump-and-dump schemes, and honeypot tokens that prevent holders from selling |
| Programmable Economics: Smart contracts enable sophisticated tokenomics including vesting schedules, automated buybacks, staking rewards, and governance mechanisms | Smart Contract Risk: Bugs or vulnerabilities in a token’s smart contract can lead to catastrophic loss of funds, as demonstrated by numerous DeFi exploits |
| Global Liquidity: Tokens can be traded continuously on decentralized exchanges (DEXs) and centralized exchanges (CEXs) with global accessibility and near-instant settlement | Concentration Risk: Many tokens have highly concentrated ownership, with large holders (whales) capable of manipulating prices through large sell-offs or coordinated trading |
| Fractional Ownership: Tokens enable fractional ownership of assets that are traditionally indivisible, such as real estate, art, and private equity | Gas Cost Dependency: Token transactions on congested networks like Ethereum can incur high gas fees, making small transactions economically impractical during peak periods |
| Transparent Governance: Governance tokens enable decentralized decision-making where token holders vote on protocol upgrades, fee structures, and treasury allocations | Voter Apathy: Despite governance token distribution, participation rates in DAO governance votes are often very low, leading to plutocratic control by a small number of large holders |
| Real-World Asset Tokenization: Tokens can represent legal ownership of real-world assets, bringing traditional assets into the blockchain ecosystem with improved liquidity and settlement efficiency | Bridging Risk: Moving tokens across blockchains via bridges introduces additional smart contract risk; bridge exploits have resulted in billions of dollars in losses |
| Composability: Tokens can be composed into complex financial products; a single token can simultaneously serve as collateral in a lending protocol, earn yield in a liquidity pool, and vote in governance | Inflationary Pressure: Tokens with high emission rates for staking or liquidity rewards can suffer significant price depreciation as new supply enters the market |
Risk Management
Smart Contract Security:
- Always verify that a token’s smart contract has been audited by reputable security firms (Trail of Bits, OpenZeppelin, Certik, Spearbit) before holding significant value in that token
- Check for known vulnerabilities in the token standard implementation, such as the ERC-20 approve race condition or missing return value checks
- Use hardware wallets for long-term token storage and limit approvals granted to DeFi contracts to only the amounts needed for specific transactions
Tokenomics Due Diligence:
- Analyze the token’s supply distribution: high team or investor allocation with short vesting periods creates sell pressure risk
- Examine unlock schedules: large token unlocks (cliff events) can cause sudden price drops as early investors liquidate positions
- Evaluate the token’s utility: tokens without clear, sustained demand drivers tend to lose value over time as speculative interest fades
Regulatory Compliance:
- Understand the regulatory classification of tokens in your jurisdiction: utility tokens, security tokens, and stablecoins are subject to different regulatory frameworks
- The Howey Test (U.S.) and similar frameworks globally determine whether a token constitutes a security based on whether purchasers expect profits primarily from the efforts of others
- Monitor regulatory developments: the SEC, CFTC, MiCA (EU), and other regulatory bodies continue to refine token classification frameworks
Market Risk:
- Token markets are highly volatile, with many tokens losing 90% or more of their value during bear markets
- Diversify token holdings across categories (blue-chip DeFi, infrastructure, stablecoins) rather than concentrating in a single token or sector
- Be wary of tokens with low liquidity and high fully diluted valuations (FDV), as these metrics indicate potential for significant price decline as more supply enters circulation
Cultural Relevance
Tokens have fundamentally reshaped the cultural market of both the cryptocurrency ecosystem and the broader technology industry. The ERC-20 standard, in particular, democratized digital asset creation to such an extent that it spawned entirely new economic models and cultural phenomena. The ICO boom of 2017 introduced the world to the concept of permissionless fundraising, where anyone with an internet connection could invest in early-stage projects, a radical departure from the traditional venture capital model that was restricted to accredited investors.
The governance token movement, catalyzed by Compound’s COMP distribution in June 2020, introduced the concept of “ownership economy” to mainstream technology discourse. The idea that users of a protocol should own a stake in its governance represented a philosophical challenge to the Web 2.0 model where platforms like Facebook, Uber, and Airbnb extract value from users without sharing ownership. Uniswap’s retroactive UNI airdrop in September 2020, which distributed tokens to every address that had ever used the protocol, became a landmark moment in crypto culture, demonstrating that early community participation could be retrospectively rewarded.
Meme tokens have created their own cultural phenomenon within the crypto ecosystem. Dogecoin (DOGE), Shiba Inu (SHIB), Pepe (PEPE), and countless others have attracted millions of participants who engage with tokens primarily as vehicles for community identity, humor, and speculative excitement rather than technological utility. The meme token culture highlights both the creative potential and the speculative excess of permissionless token creation.
The tokenization of real-world assets represents a cultural bridge between traditional finance (TradFi) and decentralized finance (DeFi). When BlackRock launched its BUIDL tokenized Treasury fund on Ethereum in March 2024, it signaled institutional acceptance of blockchain-based tokenization and marked a turning point in the convergence of traditional and decentralized financial infrastructure, one that continued to accelerate through 2025 and 2026 as BUIDL and its competitors grew into a multi-billion-dollar category.
Real-World Examples
Uniswap UNI Token Airdrop
Scenario: In September 2020, Uniswap Labs launched the UNI governance token and retroactively airdropped 400 UNI tokens to every Ethereum address that had ever interacted with the Uniswap protocol.
Implementation: Approximately 250,000 addresses received the airdrop, which was distributed through a Merkle drop contract. The UNI token was created as an ERC-20 token with a total supply of 1 billion, allocated across the community treasury, team, investors, and advisors, with a portion also distributed through liquidity mining programs.
Outcome: The airdrop was worth roughly $1,200 per address at launch and grew to well over $17,000 per address at UNI’s all-time high price in 2021. It established the retroactive airdrop as a standard community distribution mechanism and catalyzed the governance token movement across DeFi.
USDC Stablecoin, Institutional Adoption
Scenario: Circle and Coinbase co-founded the Centre Consortium to issue USD Coin (USDC), a fiat-backed stablecoin pegged 1:1 to the U.S. dollar, launched in September 2018.
Implementation: USDC is issued as an ERC-20 token on Ethereum, and natively on Solana, Polygon, Arbitrum, Base, and other chains. Each USDC token is backed by cash and short-term U.S. Treasury bonds held in regulated financial institutions. Circle publishes regular attestation reports verifying the reserves. Smart contract features include blacklisting (the ability to freeze addresses for compliance) and upgradeability.
Outcome: USDC grew into one of the largest stablecoins, with a market capitalization of roughly $73 billion by mid-2026, serving as a primary settlement token for institutional DeFi transactions, cross-border payments, and on-chain treasury management. Its transparent reserve model influenced stablecoin regulation globally.
BlackRock BUIDL, Real-World Asset Tokenization
Scenario: In March 2024, BlackRock, the world’s largest asset manager, launched the BlackRock USD Institutional Digital Liquidity Fund (BUIDL) as a tokenized fund on the Ethereum blockchain.
Implementation: BUIDL tokens represent shares in a fund that invests in U.S. Treasury bills, repurchase agreements, and cash. The token was issued using the ERC-20 standard, with Securitize serving as the tokenization platform and transfer agent, and BNY Mellon custodying the underlying holdings. Qualified investors can subscribe and redeem through on-chain transactions, with fund NAV updated regularly on-chain. The fund later expanded to additional chains beyond Ethereum.
Outcome: BUIDL crossed $500 million in assets under management by the end of 2024, passed $1 billion in early 2025, and grew to roughly $2.4 to $2.9 billion by 2026, becoming the largest tokenized Treasury product. It demonstrated institutional appetite for blockchain-based fund infrastructure and helped accelerate the adoption of RWA tokenization across the financial industry, though the broader tokenized Treasury category also saw meaningful competition from products like Franklin Templeton’s BENJI and Ondo’s OUSG.
Chainlink LINK Token, Oracle Network Incentives
Scenario: Chainlink launched the LINK token in September 2017 as an ERC-20 utility token that incentivizes oracle node operators to provide reliable external data to smart contracts.
Implementation: LINK tokens are paid by data consumers, such as DeFi protocols, insurance platforms, and gaming applications, to Chainlink node operators who stake LINK as collateral guaranteeing data accuracy. Nodes that provide inaccurate data risk losing their staked LINK through a slashing mechanism. The total LINK supply is 1 billion tokens, distributed across node operators, the team, and public sale participants.
Outcome: Chainlink became the dominant oracle network in blockchain. By 2026, reported figures for value secured across DeFi and cross-chain infrastructure varied significantly by methodology, with Chainlink’s own reporting citing well over $100 billion when its CCIP cross-chain business is included, while independent trackers focused narrowly on DeFi price feeds reported figures in the tens of billions. The LINK token has consistently ranked among the more established cryptocurrencies by market capitalization, illustrating how well-designed token utility can create sustained demand even as the token’s price and the network’s usage don’t always move in lockstep.
Comparison Table
| Feature | Token (ERC-20) | Native Cryptocurrency (ETH, BTC) | Stablecoin (USDC, USDT) | NFT (ERC-721) |
|---|---|---|---|---|
| Fungibility | Fully fungible (interchangeable) | Fully fungible | Fully fungible (pegged to fiat) | Non-fungible (unique) |
| Blockchain Role | Application-layer asset | Protocol-layer asset (pays gas, secures network) | Application-layer asset with price stability | Application-layer asset with unique identity |
| Creation Method | Smart contract deployment | Genesis block, mining, or staking | Smart contract with reserve backing | Smart contract with unique metadata |
| Value Basis | Utility, governance, speculation | Network security, gas payments, store of value | Fiat reserve backing | Scarcity, cultural value, utility |
| Regulatory Status | Varies (may be security or utility) | Generally treated as a commodity in the U.S. | Increasingly regulated (MiCA, state licenses) | Varies by jurisdiction and use case |
| Primary Use Case | DeFi, governance, access rights | Value transfer, gas fees, collateral | Trading pairs, remittance, DeFi settlement | Digital art, gaming, identity, collectibles |
| Supply Mechanism | Defined by smart contract logic | Fixed (BTC) or protocol-determined (ETH) | Demand-driven (mint/burn by issuer) | Defined by creator (limited editions or open) |
Related Terms
- ERC-20: The Ethereum Request for Comments standard that defines the interface for fungible tokens, enabling universal interoperability across wallets, exchanges, and DeFi protocols
- NFT (Non-Fungible Token): A unique digital asset represented by the ERC-721 or ERC-1155 standard, where each token has a distinct identifier and is not interchangeable with other tokens
- Stablecoin: A token designed to maintain a stable value relative to a reference asset, typically the U.S. dollar, achieved through fiat reserves, algorithmic mechanisms, or crypto over-collateralization
- Governance Token: A token that grants holders voting rights in a decentralized protocol’s decision-making process, including parameter changes, treasury allocations, and protocol upgrades
- Tokenomics: The economic design of a token including supply mechanics, distribution, incentive structures, and value accrual mechanisms
- ICO (Initial Coin Offering): A fundraising method where a project sells newly created tokens to investors in exchange for cryptocurrency, popular during the 2017 to 2018 crypto boom
- Smart Contract: Self-executing code deployed on a blockchain that defines the rules and logic for token creation, transfer, and management
- DeFi (Decentralized Finance): An ecosystem of financial applications built on blockchains that use tokens as the fundamental unit of economic interaction for lending, borrowing, trading, and yield generation
- Airdrop: The distribution of free tokens to wallet addresses, often used to reward early users, bootstrap community participation, or decentralize token ownership
- Wrapped Token: A token that represents another asset from a different blockchain, enabling cross-chain interoperability, such as WBTC representing Bitcoin on Ethereum
- Token Burning: The permanent removal of tokens from circulation by sending them to an inaccessible address, used as a deflationary mechanism to reduce supply and potentially increase value
- Real-World Assets (RWA): Traditional financial assets such as bonds, real estate, and commodities that are tokenized and represented on a blockchain for improved liquidity, transparency, and settlement efficiency
FAQ
Q: What is the difference between a token and a cryptocurrency? A cryptocurrency (like Bitcoin or Ether) is the native digital asset of its own blockchain; it is integral to the blockchain’s operation, used to pay transaction fees (gas), and often used to secure the network through mining or staking. A token, by contrast, is a digital asset created on top of an existing blockchain through a smart contract. Tokens use the security and infrastructure of the host blockchain rather than operating their own independent network.
Q: How do I create my own token? Creating a basic ERC-20 token on Ethereum involves writing a Solidity smart contract that implements the ERC-20 interface, deploying it to the blockchain using a development framework like Hardhat or Foundry, and verifying the contract on a block explorer. Libraries like OpenZeppelin provide audited, ready-to-use ERC-20 contract templates. The deployment requires ETH to pay gas fees, typically ranging from a few dollars to well over a hundred depending on network congestion. However, creating a token is trivial compared to building real utility around it.
Q: Are all tokens securities? Not all tokens are securities, but many may be classified as such depending on their characteristics and the jurisdiction in which they are offered. In the United States, the SEC applies the Howey Test to determine whether a token constitutes an investment contract, and thus a security. If purchasers invest money in a common enterprise with the expectation of profits derived primarily from the efforts of others, the token is likely a security. Utility tokens with genuine immediate functionality may avoid security classification, but the distinction is often unclear and subject to regulatory interpretation.
Q: What are the most important ERC token standards? The most significant Ethereum token standards are ERC-20 (fungible tokens), ERC-721 (non-fungible tokens), ERC-1155 (multi-token standard for both fungible and non-fungible tokens), ERC-4626 (tokenized vault standard for yield-bearing tokens), and ERC-2612 (permit-based approvals that enable gasless token approvals). Each standard serves different use cases and has been adopted widely across the ecosystem.
Q: What is token burning and why do projects do it? Token burning is the permanent removal of tokens from circulation, typically by sending them to an inaccessible “dead” address. Projects burn tokens as a deflationary mechanism to reduce total supply, which can increase scarcity and potentially support price appreciation, provided the burn rate outpaces any new issuance. Ethereum’s EIP-1559, implemented in August 2021, introduced a base fee burn mechanism that has destroyed millions of ETH, though how deflationary this makes Ether depends heavily on network activity and has become more variable since Ethereum’s 2024 Dencun upgrade reduced typical burn rates. Other projects like BNB and SHIB conduct periodic token burns as part of their tokenomics strategy.
Q: What is the difference between a fungible and non-fungible token? A fungible token (ERC-20) is interchangeable: one USDC is identical to and interchangeable with any other USDC, just as one dollar bill is equivalent to any other dollar bill. A non-fungible token (ERC-721 or NFT) is unique: each token has a distinct identifier and properties, like a specific piece of digital artwork or a particular plot of virtual land. A third category, semi-fungible tokens (ERC-1155), can represent both types within a single contract.
Q: How do governance tokens work? Governance tokens grant holders the right to vote on proposals that affect a decentralized protocol’s parameters, treasury spending, and future development. For example, UNI holders vote on Uniswap governance proposals, MKR holders vote on MakerDAO risk parameters, and AAVE holders vote on Aave protocol upgrades. Voting power is typically proportional to token holdings, and votes are executed on-chain or through off-chain signaling platforms like Snapshot. Some protocols implement delegation, where token holders can delegate their voting power to representatives who vote on their behalf.
Sources
- Ethereum Foundation, Token Standards: official Ethereum documentation covering ERC-20, ERC-721, ERC-1155, and other token standards
- EIP-20, ERC-20 Token Standard: the original Ethereum Improvement Proposal by Fabian Vogelsteller and Vitalik Buterin
- OpenZeppelin Contracts, Token Documentation: audited, open-source smart contract implementations of ERC-20, ERC-721, and ERC-1155 tokens
- CoinMarketCap, Token Tracker: tracking of token market capitalizations, trading volumes, and supply metrics
- SEC Framework for Digital Assets: the U.S. Securities and Exchange Commission’s framework for analyzing whether a digital asset constitutes an investment contract
- Chainlink, Real-World Asset Tokenization: educational resource on RWA tokenization
- Uniswap Governance, UNI Token documentation
- BlackRock BUIDL Fund documentation and third-party AUM trackers such as Messari and DefiLlama
