Fullstack — 2025
Ledger Protocol
01 Brief
The Brief
A decentralised ledger protocol with a React frontend and a Rust backend, deployed on Ethereum.
02 Challenge
The Challenge
Reconciling the throughput requirements of a high-frequency trading interface with Ethereum's block time constraints.
03 Process
The Process
Built an optimistic UI layer in React that commits state locally first, then reconciles with on-chain confirmations. Rust backend handles event streaming via WebSocket.
04 Outcome
The Outcome
Sub-200ms perceived latency on writes. ~3 000 daily active users at peak.
05 Credits
The Team
Engineering: Jeong
Engineering: Jeong