$ ls ~/projects --sort=date

< Projects />

Building the future, one commit at a time. Here are some of my open-source projects and research work.

3 total

PUBLISHED ACTIVE

Blockchain

hanfei-shu 术 — GPU Multi-Scalar Multiplication for Halo2

Multi-scalar multiplication eats 60–70% of Halo2 proving time. hanfei-shu moves it to the GPU: 3.3–4.8× over single-thr…

Rust CUDA Halo2 Pallas +2

COMPLETED

Blockchain

A complete Bitcoin implementation in ~3000 lines of Rust — full UTXO model, secp256k1 ECDSA, M-of-N multisig, BIP125 RB…

Rust secp256k1 RocksDB Rayon +1

PUBLISHED ACTIVE

Blockchain

Hybrid blockchain + ML fraud detection: LightGBM F1=0.911, PR-AUC=0.977, smart contract coverage >95%, real-time decisi…

Solidity 0.8.20 Hardhat LightGBM XGBoost +3