Hashtag Web3 / Updated
What is a 'Protocol' in Web3?
A simple explanation of what a 'protocol' means in the context of Web3 and how these open, rule-based systems are the foundational building blocks of the.
In the Web3 sector, the term "protocol" frequently appears. Common references include "lending protocols," "liquid staking protocols," and "decentralized exchange protocols." Understanding what a protocol entails is essential.
A protocol represents a defined set of rules governing data transmission between systems. The internet relies on various protocols, with the Hypertext Transfer Protocol (HTTP) being one of the most notable examples. HTTP dictates how a web browser requests and displays web pages.
Protocols vs. Platforms in Web2
In the Web2 environment, users interact primarily with platforms. Examples include Facebook, Twitter, and Uber. These platforms are centralized applications, controlled by a single entity that dictates rules, possesses data, and can alter policies or terminate services unilaterally.
Web3: A Shift Back to Protocols
Web3 reintroduces the open, permissionless principles of the early internet, which thrived on open protocols rather than centralized platforms. A Web3 protocol consists of rules for specific tasks, enforced not by a corporation but by open-source smart contracts on a public blockchain.
For example:
| Feature | Web2 Platform | Web3 Protocol |
|---|---|---|
| The Task | Exchanging assets | Exchanging assets |
| Example | New York Stock Exchange or Coinbase | Uniswap Protocol |
| Control | Centralized company | Decentralized smart contracts |
| Censorship | Can censor transactions | Immutable code prevents censorship |
The Uniswap Protocol serves as an illustration. Unlike traditional companies, Uniswap operates as a collection of smart contracts on the Ethereum blockchain, outlining rules for token swaps via an Automated Market Maker (AMM).
Key Characteristics of a Web3 Protocol
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Open and Permissionless: Users can use the Uniswap protocol to swap tokens freely. Developers can create new applications on top of this protocol without seeking approval. This flexibility is why DeFi is often referred to as "money legos."
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Neutral and Censorship-Resistant: The rules of the protocol are upheld by the unchangeable code of smart contracts. No single entity can block a transaction that complies with the protocol’s guidelines.
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Community-Governed: Successful protocols often operate under a DAO (Decentralized Autonomous Organization). Token holders can vote to modify the protocol’s rules over time.
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Composability: Open protocols enable integration in new ways. For instance, a lending protocol may build upon a decentralized exchange protocol, which may depend on a stablecoin protocol. This interconnectedness supports a network effect and drives innovation.
When you encounter the term "protocol" in Web3, view it as a foundational, open-source building block for the new internet. Unlike private applications, protocols serve as shared public goods. The transition from platforms to protocols encapsulates the architectural evolution that highlights the vision for a more decentralized digital future.
