// wallet profile

About

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

Blockchain developer focused on Solidity, DeFi protocols, and Ethereum development. Built protocol-level smart contracts, wallet infrastructure, and secure on-chain applications with comprehensive testing using Foundry and Hardhat.

// 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 #29_200_000

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

ChronoVest
DeFi Protocol
tx: 0x98107810 · block #28_200_000

A vesting protocol that turns token grants into tradeable ERC721 positions with Merkle-based batch onboarding.

Axiom
DeFi Protocol
tx: 0x6fe761e9 · block #27_200_000

A production-style staking protocol implementing the reward-per-token accumulator pattern for O(1) reward distribution.

AgentPay
AI × Web3 Infrastructure
tx: 0x981098f0 · block #26_200_000

Payment infrastructure enabling autonomous AI agents to discover, purchase, and pay for APIs without human intervention.