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Technical specifications for how Base works at the chain level, organized by topic from user-facing primitives to protocol internals.

Base Protocol

Design goals, rollup architecture, and core user flows.

B20

Native token standard with compliance, memos, and supply controls.

Base Transactions

A new transaction type for batching, sponsorship, token gas payments, and high throughput.

Transactions

Ordering, finality, fees, throughput, and troubleshooting.

Builder Codes

Verified identity standard for apps, wallets, and agents on Base.