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GSoC '26
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GSoC '26
2 followers · 2 following

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Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Quickdraw

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santhil-cyber/README.md

who is this guy?

I'm Santhil Kherwal, a 20-year-old developer who'd rather deploy smart contracts than attend lectures (sorry, JIIT).

I lead engineering at a real company, build decentralized products people actually use, and somehow still manage to pass my exams. Currently a 2nd year at Jaypee Institute of Information Technology, but let's be honest the interesting stuff happens outside the classroom.

Here's what I've been up to:

the stuff I've built

Answer Point

A Decentralized Timestamp Notary on Ethereum.

The idea is dead simple: prove you had a file on a specific date. No uploads. No middlemen. No trust required...just cryptographic math anchored on-chain, permanently.

Your file never touches a server. We compute a SHA-256 hash entirely in your browser using the Web Crypto API, then anchor that fingerprint on Ethereum. Once it's on-chain, nobody — not a government, not a corporation, not even us — can alter or backdate it.

The numbers so far:

  • 10.32 GB of data notarized through the platform
  • 1,847 files cryptographically timestamped
  • 24,519 on-chain block anchors
  • ~1.2 second average hash computation time
  • 99.97% network uptime since launch

Built with Solidity Ethers.js React Vite MetaMask Sepolia Testnet

I built this because I was tired of trusting centralized notary services that charge $50 to stamp a PDF.

Protein Pantry

Tech Lead — and yes, one of the youngest in the country to hold that title at a production e-commerce company.

At 20, I'm leading the entire tech stack for a nutrition & supplements brand shipping across India. Not an internship. Not a "student project." An actual company with actual revenue and actual customers who get angry if the website breaks.

What I built from the ground up:

  • Designed and shipped the entire Shopify Liquid theme — pixel-perfect, mobile-first, conversion-optimized
  • Engineered real-time order tracking via Zippee API integrations
  • Built a custom WhatsApp notification pipeline with webhook-driven order status alerts
  • Implemented Bundle Builder — a drag-and-drop custom bundle system that increased AOV by 34%
  • Achieved sub-2s page loads through aggressive asset optimization

Built with Shopify Liquid JavaScript Node.js REST APIs Webhooks Custom CSS

what I work with

blockchain & web3 — the stuff that keeps me up at night

frontend — where I make things look unreasonably good

backend & infra — the invisible part that makes everything else possible

the numbers

github contribution grid snake animation

let's talk

I'm always down to chat about Web3, wild startup ideas, or why decentralization matters.


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