What Is Base? Coinbase’s Ethereum Layer 2 Explained
Base is Coinbase’s Ethereum Layer 2 — and one of the fastest-growing blockchain networks ever. Learn how it works, what’s built on it, and why it matters.
Base launched in August 2023 as Coinbase’s Ethereum Layer 2 network. Built on the OP Stack (Optimism’s open-source technology), Base provides Ethereum’s security at a fraction of the cost. It became one of the fastest-growing blockchain networks in history — reaching 1 million daily transactions within months — by leveraging Coinbase’s 100+ million user base as a built-in distribution channel.
Why Coinbase Built Base
Coinbase is primarily an exchange — a centralised platform where users buy, sell, and hold crypto. Base is the company’s move into decentralised blockchain infrastructure. The strategic logic: if crypto activity increasingly migrates on-chain, Coinbase needs a presence on-chain to remain relevant.
Base gives Coinbase sequencer revenue (fees from ordering transactions on the network), a platform to showcase its own products, and a reason for Coinbase users to move crypto from the exchange into self-custody wallets for on-chain activity.
How Base Works
Base is an OP Stack rollup — technically identical in architecture to Optimism. It bundles transactions, posts them to Ethereum, and relies on fraud proofs for security. EVM-compatible: every Ethereum smart contract and tool works on Base with minimal modification.
Gas fees on Base are typically £0.001–0.01 per transaction — far cheaper than Ethereum mainnet’s occasional £10–50 fees. Transactions confirm in 2 seconds. Withdrawals to Ethereum mainnet take 7 days (or instantly through bridge services).
A portion of Base’s sequencer revenue flows to the Optimism Collective — the arrangement Coinbase made when adopting the OP Stack. This creates a revenue-sharing relationship between Base and the broader Superchain ecosystem.
What’s Built on Base
Farcaster is a decentralised social network built on Base. Users post “casts” that are stored on-chain. Warpcast, the primary client, has hundreds of thousands of daily active users — making it one of the few genuinely active decentralised social applications. Coinbase co-founder Jesse Pollak is a vocal Farcaster participant.
friend.tech launched on Base in 2023, allowing users to buy “keys” representing access to individuals’ exclusive content. It generated significant trading volume but its model has evolved substantially since launch.
Aerodrome is Base’s largest DEX, modelled on Velodrome (Optimism’s native DEX). It handles the majority of Base trading volume and is the primary liquidity hub for Base-native tokens.
Morpho and Moonwell handle lending and borrowing. USDC (Circle’s stablecoin) has deep liquidity on Base due to Coinbase’s relationship with Circle.
Base and the Coinbase Ecosystem
Coinbase’s wallet (Coinbase Wallet) natively supports Base. Coinbase users can bridge assets from the exchange to Base directly within the app — removing a significant friction point that previously required users to navigate third-party bridges. This integration is Base’s primary competitive advantage over other OP Stack chains.
Coinbase has also used Base for its own products: Coinbase NFT features, its Smart Wallet (a passkey-based wallet requiring no seed phrase), and experimental consumer DeFi products all launch on Base first.
No Base Token
Unlike Arbitrum (ARB) and Optimism (OP), Base has no native governance token. Coinbase has not issued one and has not indicated plans to do so. The company stated it wanted to avoid the regulatory complexity of a new token launch. This means there is no speculative investment case for “Base the token” — only for the broader ecosystem tokens and ETH used for gas.
This article is for educational purposes only and does not constitute financial advice. Always do your own research.
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