Small, focused builds — each one demonstrates a production pattern end to end. Built with React, deployed on Cloudflare Pages.
Open → Crypto Wallet Dashboard MetaMask / EIP-6963 connect, network switching, Sepolia send flow, message signing, live mainnet data · React 18 + ethers v6 Open → Cart to Checkout E-commerce cart flow, Stripe & PayPal ready payment sheet Open → Multi-tenant Storefront One codebase, many branded storefronts Open → Estimating Cost Model Interactive quoting and cost-model pattern