Systems I’ve Designed & Built

Encodes investment terms, vesting schedules, and revenue-sharing directly in Solidity. React dApp for investors, TheGraph subgraph for data indexing, NestJS backend for off-chain coordination.

Issuers mint credentials as NFTs with embedded metadata and verification proofs. Holders self-custody and share selective proofs via Merkle trees. Includes issuer dashboard, wallet, verification API, and discovery marketplace.

Sensors around the house tell a small brain (Home Assistant and Homey) what is happening: someone walked in, it got dark, a door opened. The brain decides what to do. Next to it, small home servers act as my personal cloud, and AI assistants check every day that everything is healthy.