Elton Tay
@TxnSheng • 1,856 subscribers
Developer Relations (Devrel) Lead @circle @BuildOnCircle | Empowering devs to build with $USDC, $EURC, & blockchain tools | thoughts and views are my own
Videos
This is what agentic commerce can actually look like onchain. Using ERC-8183 on Arc + Circle dev-controlled wallets, we go end-to-end: > Client defines the job > Provider sets the budget > USDC moves into escrow > Deliverable hash submitted > Evaluator resolves > Payment released atomically Huge props to the Virtuals Protocol and the Ethereum Foundation for pushing these primitives forward. Developer walkthrough below 👇
Elton Tay18,533 views • 2 months ago
Today, we are introducing the Unified Balance Kit! It is a TypeScript SDK within App Kits that is built on top of Circle Gateway, a protocol that enables a unified USDC balance across supported blockchains and handles the underlying crosschain movement of funds when spending. Instead of stitching together different routing logics, developers can use this SDK to deposit, view, estimate, and spend from a unified USDC balance. Try it out yourself!
Elton Tay12,010 views • 1 month ago
When the value of your payment approaches zero, traditional overhead does not. With credit cards, you have fixed fees. With onchain payments, you have gas. When your payment is worth less than the fee to send it, the economics don't add up. You would be spending dollars to collect fractions of a penny. That is what Nanopayments, powered by Circle Gateway and x402 addresses. It enables gas-free, high-frequency programmable payments down to $0.000001 This is particularly important for use cases where transactions happen at high frequency and in very small amounts, such as: Agentic Payments: AI agents transacting autonomously at high frequency. Usage-Based Billing: Charging exactly per API call, per second of compute, or per dataset access. Machine-to-Machine: Services or devices paying each other directly for resources in real-time. Here is how the end-to-end nanopayment lifecycle looks like: 1️⃣ Deposit: The buyer funds their Gateway balance via a one-time onchain transaction. 2️⃣ Request and Negotiate: The buyer requests a resource; the seller responds with 402 Payment Required via the x402 protocol. 3️⃣ Sign Authorization: The buyer signs an EIP-3009 message authorizing the transfer. This signature is created offchain and costs zero gas. 4️⃣ Settle and Serve: Gateway verifies the signature and credits the seller’s pending balance. The resource is served immediately. 5️⃣ Batch Settlement: Gateway periodically collects authorizations and settles them in a single onchain transaction. That is how Gateway and x402 make nanopayments viable. To follow along, check out the Quickstarts in the Circle documentation and share your build with us! Circle Developer
Elton Tay10,324 views • 3 months ago
You can now pay for food at selected merchants in Bangkok using USDC! 🇹🇭 With Rubie Wallet wallet, powered by Circle products, you can easily convert USDC to THBX and pay seamlessly with PromptPay - a familiar QR code scanning experience. 📍 Find Rubie Wallet on LG, one floor below ground at Devcon, and check out the list of participating merchants. #Devcon2024 Circle Developer wardumb Sandra Persing ✈️ 🏡
Elton Tay19,585 views • 1 year ago
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