Base
Base
Base is Coinbase's Layer 2 blockchain, launched August 9, 2023 on op-stack. It is the highest-activity chain in the superchain and the dominant L2 by user volume, transaction count, and ecosystem revenue.
Major development (February 2026): Coinbase announced Base is migrating away from the OP Stack to a proprietary "unified stack," departing the OP Stack ecosystem. This marks a significant architectural divergence and affects Base's future role in the Superchain.
Key Numbers
- TVL: ~$11.55B (June 2026, L2BEAT)
- 2025 network revenue: $78.2M — 89% of total Superchain ecosystem revenue
- Revenue grew ~30x from 2024 to 2025
- L2BEAT Stage 1 rollup (live fraud proof system)
Architecture
Base launched as a fork of the OP Stack with Coinbase as operator/sequencer. It posts transaction data to Ethereum (migrated to EIP-4844 blobs post-Dencun) and settles on Ethereum L1.
Coinbase does not issue a Base token — sequencer revenue flows to Coinbase and into the Superchain fee sharing mechanism. The fee formula is max(2.5% gross sequencer revenue, 15% net sequencer profit) to the Optimism Collective, though the future of this arrangement is uncertain following Base's announced departure from the OP Stack.
On February 18, 2026, Coinbase announced Base is migrating to its own proprietary "unified stack," departing the OP Stack ecosystem. This decouples Base from the standard OP Stack release cadence and the broader Superchain upgrade path.
"Onchain Economy" Thesis
Coinbase frames Base as infrastructure for the global onchain economy — not a trading venue. Key bets:
- Low fees and high throughput make microtransactions practical
- Integration with Coinbase's 100M+ user base as an onboarding funnel
- Native protocols: Morpho (lending), Aerodrome (DEX), Farcaster social apps
- Compliance profile: Coinbase's regulatory standing makes Base accessible to institutions wary of permissionless L2s
Ecosystem
- DeFi: Aerodrome (largest DEX), Morpho (lending), Uniswap v4 deployment
- Social: Farcaster, friend.tech (early), various onchain social experiments
- NFTs: Zora integration, creator monetization
- Gaming: emerging; low fees make in-game transactions viable
Tradeoffs
- Coinbase is sole sequencer — single point of centralization and censorship risk
- No native governance token; no direct way for users to participate in protocol governance
- Departure from OP Stack in February 2026 fragments the Superchain upgrade path and creates uncertainty around the fee sharing arrangement with the Optimism Collective
- TVL volatile relative to Coinbase's strategic direction
Related
op-stack · superchain · optimism · rollups · ethereum-l2s