ERC-4337 · account abstraction
How we ship gasless Web3 apps with account abstraction · ERC-4337 in practice.
Blockchain →Notes from the studio.
- 22 April 2026 · BlockchainSolana smart contract gotchas · what bites every Anchor dev in 2026Solana is not Ethereum-with-better-TPS. Seven differences that bite every team coming from EVM.
- 22 April 2026 · Blockchain · CybersecurityEIP-712 meta-transactions · gasless UX without compromising securityGasless UX is a product win. Meta-tx relayers are a security surface. Here's how to ship both safely.
- 22 April 2026 · Blockchain · CybersecurityFoundry invariant testing · the patterns we write on every auditEight invariant patterns worth stealing · we run these on every audit and they keep finding real bugs.
- 19 April 2026 · BlockchainSolidity gas optimization · 16 patterns we use on every auditSixteen gas patterns, ranked by real-world impact on the contracts we audited in 2025.
- 22 March 2026 · Blockchain · CybersecuritySmart contract audit checklist · the one we actually useA checklist for the last days before mainnet: threat model, tests, fuzz, deploy, monitor · 30+ items we never skip.
SHIPPED WORK
- 2026 · AI solutions · BlockchainMulti-Agent Crypto TradingMultiple AI agents trade the top 50 crypto tokens together · data, sentiment, news in one.
- 2025 · Blockchain · Website & online shopCrypto PropertiesProperty marketplace on Ethereum · every sale carries an NFT ownership certificate.
- 2025 · Blockchain · Website & online shopSolana EventEvent platform on Solana · non-forgeable tickets, QR-code check-in.
CASE STUDIES
- fintech · Blockchain · CybersecurityDeFi lending protocol audit · 7 critical findings before mainnetPre-mainnet audit of a lending protocol on Ethereum L2. Invariant-based + fuzz + manual review. 7 critical, 12 high, 28 medium findings · all fixed before first tx.
- fintech · Blockchain · Website & online shopDAO governance dashboard · 30-day participation +89%, 4 audited contractsRebuilt a DAO's governance dashboard from a basic Tally fork into a tailored proposal + treasury + voting-analytics app. Participation rate up 89% in 30 days.