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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.

Account Abstraction

Smart accounts that send ordinary transactions with no bundlers or relays.

Transactions

Ordering, finality, fees, throughput, and troubleshooting.

Flashblocks

Sub-second block building, WebSocket data, and RPC usage.

Builder Codes

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