// wallet profile

About

0xJash
0xJash
India
first seen
block #19M (2024)
total txns
7 calls
tags
smart contract · defi · onchain systems

CS undergrad focused on building blockchain-based systems and turning ideas into real products. I work on smart contracts, wallet infrastructure, and full-stack Web3 applications, with a focus on security, transparency, and real-world use cases. Currently shipping MVPs and exploring how to take them from code to startup.

// experience — chain of blocks

Blockchain Developer Intern
Calip.io
tx: 0x543454dc · block #21_700_000
April 2026 – Present

Architecting a production-grade DeFi protocol in Solidity, 3 libraries & 8 contracts spanning access control, token factory, presale with vesting, treasury, pricing oracle, and a P2P marketplace, deployed on Base Sepolia with 200+ passing tests.

Developer Relations Intern
TriKaya
tx: 0xf0781098 · block #21_000_000
Dec 2025 – Jan 2026

Contributed to DevRel by simplifying blockchain labs, supporting developers, and improving documentation workflows.

Blockchain Developer Intern
PedalsUp
tx: 0x4b4d4b4d · block #20_500_000
Sept – Oct 2025

Deep-dived into Uniswap v4. Built custom on-chain swap functions from scratch using Solidity and Foundry.

Co-Head
GENESIS (Web3 Community)
tx: 0xd25ad256 · block #19_800_000
Jun 2025 - Present

Organizing workshops, ideathons, and guest sessions on blockchain and Web3 development.

0x5cdcb43c·shipped: AstraVault · secure HD wallet·0x632ba32b·deployed: HelpChain · Stellar social impact·0xbade56de·verified: ProofEd · on-chain certificates·0xf078f098·audited: MyEscrow · decentralized trust·0x4d4b43cb·training: AI-influenced MoodNFTs·0xd2bad256·cleaning: CleanChain · eco-incentives·0x25ade5ad·building: GENESIS Web3 community·0xcdcbc345·researching: Uniswap v4 pool mechanics·0x5cdcb43c·shipped: AstraVault · secure HD wallet·0x632ba32b·deployed: HelpChain · Stellar social impact·0xbade56de·verified: ProofEd · on-chain certificates·0xf078f098·audited: MyEscrow · decentralized trust·0x4d4b43cb·training: AI-influenced MoodNFTs·0xd2bad256·cleaning: CleanChain · eco-incentives·0x25ade5ad·building: GENESIS Web3 community·0xcdcbc345·researching: Uniswap v4 pool mechanics·
// latest blocks

Featured projects

view all →
AstraVault
Wallet
tx: 0x96f27afe · block #21_500_000

A non-custodial Ethereum wallet focused on secure key management and cryptographic integrity.

HelpChain
Social Impact
tx: 0x61e7a1e9 · block #20_800_000

A blockchain-powered donation system enabling transparent and traceable NGO funding.

MyEscrow
DeFi
tx: 0xb434b43c · block #19_500_000

A smart contract-based escrow protocol enabling trustless transactions between parties.