Writing
Technical deep-dives
Backend systems, Web3 protocols, and open source projects.
cTrip — Building a Multi-Chain Crypto Payment Gateway with FastAPI
How I built cTrip, a production-style crypto payment gateway with block scanning, deterministic HKDF deposit addresses, HMAC-signed webhooks, and Redis-backed ARQ workers deployed with Docker.
Aug 2026MonoDEX — Building a Constant-Product AMM from Scratch
How I built MonoDEX, a Uniswap-style constant-product AMM with pair creation, liquidity pools, and native ETH swaps, deployed live on Sepolia with a full swap and pool interface.
Aug 2026OmniToken — A Cross-Chain Token with LayerZero V2 OFT
How I built OmniToken, a LayerZero V2 OFT cross-chain token deployed on Ethereum, Optimism, Arbitrum, and Base Sepolia, with a token sale contract and a bridge + buy Web3 frontend.
Aug 2026Coffee Chain — A Decentralized Tipping Platform on Ethereum
How I built Coffee Chain, a decentralized platform where supporters tip creators with ETH and attach messages through transparent on-chain smart contracts, with a full Next.js frontend.
Aug 2026Uniswap MCP Server — Giving AI Agents Direct Access to On-Chain Data
How I built an MCP server that exposes Uniswap V2 and V3 data, quotes, and swap execution as tools, resources, and prompts for AI agents.
Aug 2026Certificate in Web3 — Blockchain-Verified Certificate Management with FastAPI
How I built a production-grade certificate management system with FastAPI, Ethereum wallet auth, Polygon smart contracts for immutable on-chain hashing, Storj storage, and automated email delivery.
Jan 2025SafeTea Wallet — Building a Minimal Multisig Wallet in Solidity
How I built SafeTea, a gas-efficient multi-signature wallet with on-chain proposal workflows, owner governance, and a React + Wagmi frontend.
Mar 2026LocalScan — A Lightweight EVM Blockchain Indexer That Runs on Your Machine
A lightweight EVM blockchain indexer and explorer built with Python + FastAPI, designed for local development with Anvil, Hardhat, and any EVM node.
Feb 2026