Tokenization
2025
Mekong rice warehouse receipts
On-chain certificates tied to weekly reconciliation cycles with off-chain dispute resolution. Team interviewed operators in Can Tho and Soc Trang.
Outcome: Passed final audit after patching one access-control finding during presentation.
Bridge
2025
Cross-border remittance testnet bridge
Two-EVM-chain bridge with explicit rollback when oracle feeds exceed a 120-second staleness threshold. Survived red-team replay attack simulation.
Outcome: Documented three failure modes with recovery procedures.
Gas audit
2024
Municipal bond contract optimization
Restructured storage layout for a fractional bond contract, reducing deployment cost by 34% and transfer cost by 22%.
Outcome: Peer-reviewed benchmark report adopted as reference material for subsequent cohorts.
Tokenization
2024
Hanoi gallery ceramics provenance
Provenance chain for antique ceramics with photographic hash anchors and custodian signature requirements at each transfer.
Outcome: Cooperative pilot with two gallery members on testnet.
Distributed systems
2024
Partition-tolerant indexing layer
Custom indexer that resumes from last committed block after simulated regional outage without duplicate event processing.
Outcome: Capstone for Distributed Systems Architecture program.
Contracts
2023
Garment supplier escrow
Multi-signature escrow with milestone releases tied to delivery confirmations from a Ho Chi Minh City manufacturer.
Outcome: Smart Contract Engineering capstone; two critical findings fixed before audit sign-off.