📍 Cape Town, South Africa | 🐦 @daveylupes
Blockchain Engineer specializing in protocol infrastructure, smart contract development, and developer tooling. Deep technical proficiency in Rust (Solana/Stellar) and Move (Aptos). Proven track record of building open-source ecosystem tools and secure decentralized financial protocols.
soroban-trace | Rust | Stellar
🔧 Engineered a Rust-based CLI tool for execution tracing, enabling deep debugging of Soroban smart contracts.
starkdiff | Cairo | Starknet
🔍 Developed an automated analysis tool for auditing state differences in Cairo smart contracts during upgrades.
blockdag-mcp-server | Rust | Distributed Systems
🌐 Contributed to secure data availability standards for distributed backend systems.
Preklo | Move | Aptos | Production
💸 Wrote and deployed resource-oriented Move smart contracts on Aptos Mainnet for P2P asset transfers and settlement. Built cryptographic verification layer bridging Circle USDC liquidity with on-chain settlement logic. Achieved sub-second finality for cross-border remittances.
AuditAgent | Solana
🤖 Operationalised HTTP 402 "Payment Required" to enable autonomous micropayments for API services. Built gateway allowing AI agents to autonomously negotiate and settle pay-per-use API calls on-chain.
trust-sidecar | Rust | Systems Architecture
🔐 Designed modular sidecar pattern in Rust to abstract cryptographic identity verification from core business logic, ensuring modular security across distributed nodes.
- 🎖️ BlockDag Cape Town Hackathon 2025: 🥇 1st Place
- 🎖️ ETHCapeTown 2024: 🥉 4th Place
- 🌟 Stellar Network: South African Ambassador (Feb 2025 - Present)
- Spearheaded developer adoption strategies and technical workshops
- Organized "Your Big Idea starts at UWC" event (200+ attendees) | Event Link
Blockchain Engineer @ Rowell Holdings | Oct 2024 - Present
Protocol tooling, smart contract development, and distributed systems architecture.
Developer @ Whirly Labs | Feb 2023 - Present
Developing and maintaining internal systems
- 🐦 Twitter/X: @daveylupes
Bachelor of Science, Computer Science
University of the People
⭐️ Building the decentralized future, one smart contract at a time