Developer interested in blockchain and cryptography. I enjoy building projects around my interests, whether to learn or create tools for my everyday life.
- Athens, Greece
- https://stuchain.github.io/portfolio
- in/stelios-vasileiou
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- ctf-maze-arena
ctf-maze-arena PublicA web arena for maze generation, algorithm visualization, and solver comparison. Built with Rust + TypeScript.
Rust
- iot-oracle-gateway
iot-oracle-gateway PublicEnd-to-end IoT oracle: Python simulator publishes over MQTT; oracle aggregates, detects anomalies (EWMA/z-score), anchors hashes on-chain (Solidity/Hardhat); Streamlit dashboard for metrics.
Python
- mini-secure-channel-solana
mini-secure-channel-solana PublicA six-phase secure channel project demonstrating X25519 key exchange, MITM attacks, Ed25519 authentication, ChaCha20-Poly1305 AEAD, and Solana-based decentralized key verification.
Python
- muzpa-auto-search
muzpa-auto-search PublicDesktop app that opens Muzpa search links from playlist CSVs (Spotify exports, etc.) with a fast manual Run -> Download -> Next workflow.
TypeScript
- stay-ops-planner
stay-ops-planner PublicInternal tool for short-term rental ops: sync bookings from a channel manager, assign each stay to a physical unit, avoid double-booking, and coordinate cleaning and maintenance
TypeScript
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