Systems engineer working on transaction infrastructure, Rust protocols, cryptographic software, and scientific ML.

• alloy-rs/core #1105 — EIP-712 canonicalization for recursive struct types.
• uutils/parse_datetime #320 — GNU-compatible military timezone J handling.
• uutils/coreutils #12327 — fixed date timezone re-zoning semantics.
• uutils/parse_datetime #284 — HH:MM am/pm parsing.
• uutils/parse_datetime #285 — correct negative Unix timestamp floor semantics.
• uutils/parse_datetime #287 — bare UT timezone support.
• ml-explore/mlx-lm #1372 — fixed pathological XTC sampling defaults.
• materialyzeai/matgl #809 — autograd-correct, numerically safe SoftExponential.
• materialyzeai/matgl #801 — MC-dropout uncertainty estimation for pretrained models.
• BankrBot/skills #491 — Suwappu cross-chain MCP skill.

• Printing Money — practical systems/security book on how value is created, exploited, and secured across DeFi, bridges, MEV, ZK, post-quantum cryptography, and ML failure modes. Executable labs.

• A 10-for-1 stock split can leave your ERC-20 balance unchanged — tokenized assets / ERC-8056, 2026.
• USDT0 backing reconciliation: separating protocol coverage from issuer risk — reserve and settlement risk, 2026.
• What is a minute of cross-chain execution worth? Pricing latency without confusing ETA for finality — execution governance, 2026.
• Incentive budgets as market design: what survives after the model fails — mechanism design and model risk, 2026.
• When a mathematically correct model is wrong: an allocation-model validation case study — model validation, 2026.

• Accounting for an Omnichain Dollar — Suwappu Research Report 01, 2026. Institutional report edition of the USDT0 study.

• Pre-trained Surrogates Suffice: Active Learning for Crystal Stability on the WBM Benchmark — research manuscript. Source · Erratum.

• BRIDGE-bench: Measuring LLM Reasoning on Compositional Cross-Chain Bridge Exploits — citable research/software release, 2026. DOI: 10.5281/zenodo.20604295.

Execution infrastructure for onchain applications and agents.

Recent work includes:

• transaction routing and settlement reconciliation
• wallet policy and smart-account authentication
• cross-chain execution and simulation
• WebMCP / agent transaction controls
• production reliability across Postgres, RPC infrastructure, Railway, and nginx

Pre-silicon post-quantum cryptography accelerator work.

Constrained active learning for materials discovery using graph models and uncertainty estimation.

Rust implementation of post-quantum finality certificates and validator accountability.

Website · Research · ORCID · Writing · X