~/askwhyharsh

$ Harsh Singh @askwhyharsh

software engineer / protocol systems

Projects

Selected work and open source contributions.

> Projects

AlfaClub (@FriendDotSpace)

2025

ERC-1155 social token contracts with bonding curves

AstraSec reviewed · $30k+ TVL at launch

Contributed to AlfaClub's ERC-1155 based social token platform with bonding-curve pricing, on-chain staking, and cross-chain liquidity. Designed and implemented UUPS upgradeable contracts for FriendKey, FriendStake, and FriendPool. Contracts backed $30k+ TVL at launch and were independently reviewed by AstraSec.

solidityerc-1155uupsstakingbonding-curves

LinkCollect

2025

Social bookmark manager with 3,000+ users

A Chrome extension and web app for saving, organizing, and sharing bookmarks. Built to simplify content curation — currently used by thousands of people daily.

typescriptchrome-extensionreact

hyperliquid-indexer

2025

Real-time order fill and liquidation event pipeline

◆ Alfa Club · Hyperliquid · Kafka

Custom Go indexer for Hyperliquid that detects order fills and liquidation events from node data and publishes structured events to Kafka for custom trading pipelines. Built for Alfa Club.

golangkafkahyperliquiddistributed-systems

Near Talk

2025

Anonymous location-based chat

Anonymous chats with people around you, built around location-aware rooms with more proximity features in progress.

golanggeohashwebsocketsprivacy

Zen Store

2025

Distributed file storage over TCP in Go

A minimal distributed P2P file storage system built on top of TCP in Go, exploring peer connections, file movement, and replication basics.

golangp2pdistributed-systemstcp

Blockchain in Golang

2025

PoW blockchain with libp2p peer networking

A basic blockchain with proof-of-work consensus in Go, using libp2p for peer connections and streaming the blockchain to connected peers every n seconds. Built for fun and learning.

golanglibp2pblockchainpow

lazytrader

2025

Copy-trading on Polymarket

Put funds in a trading pool — we copy trades based on past performance of top Polymarket leaderboard traders. Built for fun, no promises attached.

golangpolymarkettrading

Referral Contracts & SDK

2025

On-chain referral rebates and volume rewards

Solidity referral contracts with an SDK to provide rebates to referrers and rewards based on referee trading volume.

soliditydefisdk