Jayant Nagle (jayantn)

Sigpad: The Programmable, Gasless POS for the x402 Economy. While x402 began as support for agent-to-agent value transfer. I have built SigPad for x402 Hackathon @x402, which proves it is the future of human-to-human commerce. We are bringing the internet's native payment protocol into the physical world with a modular, merchant-configurable POS system—opening a new realm where physical payments are as programmable as the web itself. Application explaination in below thread. 🧵

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🧠 Dynamic x402 Challenges Standard crypto payments are static. SigPad is dynamic. Our Strategy Engine intercepts the request before the 402 response. • Queries customer wallet. • Rewrites the x402 header in real-time. • $10.00 becomes $9.00 automatically. This is Token Gating at the Protocol Level.

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SigPad is a modular, physical Smart POS that transforms a simple payment into a programmable loyalty loop. It utilizes the x402 (Payment Required) protocol to negotiate pricing in real-time and Thirdweb to abstract away merchant complexity. 🔄 The Loop: Tap. Save. Earn. SigPad creates a seamless flow: 1️⃣ Tap: Verify via NFC/Scan (Gasless). 2️⃣ Save: System recognizes loyalty status & drops the price instantly. 3️⃣ Earn: Payment settles, and rewards are minted automatically.

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New to Farcaster, any suggestions for good channels for web3 builder?

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