Prithvish Baidya

blockchain engineer

I build decentralized systems and the infrastructure that makes them usable. Currently working on developer tooling and key management for blockchain applications.

You might also know me as earthish or d4mr (deformer).

Recent Writing

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16.12.2025 · 4 min read

The Case of the Phantom Hash

How I discovered HyperEVM system transactions have two valid hashes, and the rabbit hole that led me into nanoreth's source code.

12.09.2025 · 2 min read

Flashblocks Broke Our Assumptions

How flashblocks and EIP-7702 forced us to rethink transaction infrastructure at thirdweb.

16.07.2025 · 4 min read

We Open Sourced engine-core

2 years and 7 months of learnings distilled into 25k lines of production Rust. This is the best thing I've ever built.

Selected Work

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zkRail

2024

Trustless fiat settlement for autonomous agents

ETHIndia 2024 Winner · Coinbase Track · CDP Track · Polygon Track

engine-core

2024

Production-grade blockchain transactions in Rust

t2z

2024

Transparent to shielded Zcash

Zypherpunk Hackathon

Open to thoughtful conversations about engineering, design, or collaboration.

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