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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.

Flashblocks

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

Builder Codes

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