Carolina Panthers Fan Experience
I built the software and NFC integration for a stadium installation that personalizes a full 360° projection experience for each fan.
Brickpilot
I built vehicle telemetry, voice bookmarks and route-review tools to investigate driver-assistance behavior in my Tucson PHEV.
XRPL Coding Models
Fine-tuning Qwen2.5-Coder for XRP Ledger development, with custom datasets, SDK correctness tests and experiments on Apple Silicon and RunPod.
RLUSD Guardian
I developed an upgradeable Solidity contract for institutional RLUSD and USDC swaps, including reserve controls, decimal conversion, Foundry tests and audit remediation.
Local AI Assistant
A SwiftUI iPhone app and Mac research assistant with tool calling, source tracking and checks on generated answers.
About Dan Wallace
I’m Dan Wallace, known online as HazardCookie, based in Charlotte, North Carolina. My work spans developer relations, technical education and AI, backed by engineering experience at Ripple, PancakeSwap and First Ledger. I build software, teach developers and help founders develop their products and navigate funding programs.
I’ve spoken at the University of Waterloo, Carnegie Mellon University, Cornell University and UC Berkeley. My engineering work includes First Ledger’s v2 interface, the RLUSD Guardian smart contract and a personalized Carolina Panthers stadium installation. I also fine-tune XRPL coding models and build AI assistants and vehicle telemetry tools.