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09 Real-World Scene

Taxi Handover

Patty steps out of her apartment in Bandra. She’s late for a meeting in Andheri. She doesn’t open an app — her phone agent already knows her calendar. It broadcasts an RFQ to the local ride network. Sai, three blocks away, bids: 3.50 base + 0.85 per kilometer. Patty’s agent checks his reputation score, locks 7.78 USDC into escrow (fare + 10% buffer), and confirms. Sai’s car pulls up. GPS verifies pickup. Twenty minutes later, GPS verifies dropoff. Escrow releases. Sai gets paid. The whole transaction — discovery, bidding, payment, settlement — happened between two phones, with zero human input.

A full marketplace flow: RFQ broadcast, competitive bidding, escrow lock, GPS verification, and trustless settlement. Every switchboard module in one ride.

Payment Flow

RFQ → Bid → Escrow → Ride → Settle
P
Patty
rider
RFQ broadcast
D
Dispatch
matchmaker
bid: 3.50+0.85/km
S
Sai
driver
escrow lock
Escrow
fare held

Fare & Protocols

Fare Breakdown

Dynamic Pricing

Base fare3.50 USDC
Per-km rate0.85 USDC
Trip distance4.2 km
Total fare7.07 USDC
Escrow hold7.07 + 10% buffer
Protocols Used

Full Stack

x402 AgentEscrow gas_budget PQ-signed nonce_manager

This scene exercises nearly every switchboard module. The RFQ uses x402 for discovery, escrow for fare lock, gas_budget to cap spend, and PQ signatures on every message.