Base sequencer revenue and the smart wallet shift

Coinbase captures all sequencer margins on Base because the network lacks a BASE token. This revenue flows to the corporation rather than a protocol treasury. The surge in smart wallet adoption changes the fee environment. Industry estimates cite more than 200 million smart wallets in the ecosystem by 2026. The implementation of EIP-7702 in May 2025 allows existing EOAs to temporarily point to a smart contract implementation, providing features like gas sponsorship and batching without requiring users to migrate funds to new accounts. These wallets use ERC-4337 or EIP-7702 to enable gas abstraction. Users pay transaction fees in stablecoins like USDC through paymasters instead of holding native ETH. This capability removes the friction of acquiring ETH for gas. I see the use of the Circle Paymaster as a way to decouple transaction costs from ETH volatility. EIP-4844 upgrades reduced L2 data costs, which improved Base’s sequencer margins as fee revenue stayed stable while data costs fell. Base operates as an OP Stack rollup, and this integration provides a direct connection to the broader Coinbase ecosystem. This growth relies on Coinbase Wallet being the default L2 and the coinbase.com onramp routing. The path from fiat to onchain activity often routes through Coinbase.

Superchain Interop versus Rollup Competition

The Optimism Superchain Bridge allows users to move assets between OP chains like Base, Zora, and Mode using a standard bridge. This interface uses the Superchain Registry and CCTP to route tokens. The bridge interface requires a wallet connection that supports browser injected wallets, WalletConnect v2, and smart contract wallets. Users can bridge from L1 to L2, L2 to L2, and specify destination addresses for any standard ERC-20 token. The Superchain Bridge interface also enables users to view their account history for any OP Chain in the Superchain. Taiko uses a based contestable rollup architecture that reuses Ethereum L1 validators for sequencing. This based sequencing inherits the decentralization of L1 and uses L1 searcher-builder-proposer infrastructure. Taiko aims for Type 1 status to maintain full Ethereum equivalence. Scroll remains a Type 3 ZK-rollup that plans a transition toward Type 1. Taiko prioritizes decentralization over the proof generation speed goals of other networks. Taiko’s design allows multiple parties to participate as proposers, provers, and node runners. This architecture aims to improve Ethereum scaling through a decentralized, permissionless, and secure layer 2 architecture. Taiko has raised $37 million in total capital to support its mainnet launch. Can Taiko’s focus on decentralization actually overcome the distribution advantages held by Coinbase?

Infrastructure Reliability and Finality Risks

Base relies on one sequencer operated by Coinbase. A software bug caused a 116-minute outage on June 25, 2026. This liveness failure stopped block production because a stale journal state left behind after a failed transaction validation created a race condition in the recovery process. A second, shorter outage of 20 minutes occurred the following day. No funds vanished during the outage, but users could not process transactions. The single sequencer design is a massive liability for large institutional users. I find the reliance on a single sequencer for all Base transactions to be a fatal flaw. You must distinguish between chain-level risk and issuer-level risk. Chain-level risk involves whether your transaction goes through, while issuer-level risk involves whether your balance stays yours. Issuers also face the risk of Circle freezing USDC addresses at the token-contract level on any supported chain, regardless of who controls the private keys. Effective custody requires passing the Blast Radius Test, meaning one bad event should only affect one relationship rather than an entire book of users. Hard finality takes between one and five days to land on Ethereum. If you credit a large deposit on soft confirmation alone, a sequencer fault could leave you with a balance against something that has not finalized yet.