Tokyo-based developer with deep blockchain expertise; former founding engineer at Trust Wallet. I design scalable blockchain infrastructure, cross-platform SDKs, and decentralized applications on Ethereum, Solana, Bitcoin, and other leading networks.
Let's connect! Check out my newsletter or reach out on any platform below.
Cross platform hardware wallet interface. A Rust-based library implementing low-level wallet functionality, including Trezor Host Protocol.
A Rust crate providing fundamental data structures and tools for constructing and submitting Solana transactions.
Inspect is an action extension (works in both Safari, Chrome and Edge) that allows you to inspect and export website's https certificate information.
A tool to detect macOS apps' GUI tech stack, helping developers understand the underlying technologies used in applications.
The easiest way to manage and delay the launch of applications across different stages on your Mac.
A lightweight macOS menu bar utility providing a floating HUD overlay for quick input method switching. Zero permissions required.
Trust Wallet Core is an open-source, cross-platform, mobile-focused library implementing low-level cryptographic wallet functionality for a high number of blockchains.
Hide your running applications from Dock like a charm.


