Blockchain Lab
A living research space — explorations in Solidity, DeFi mechanics, zero-knowledge proofs, and cross-chain design. Notes are published on LinkedIn.
Security Research
Competitive smart-contract security reviews on Code4rena, Sherlock, and HackenProof — auditing DeFi protocols for vulnerabilities under contest conditions.
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Reactive Network lets contracts subscribe to specific event topics instead of listening to everything — event-specific listeners, multi-chain contracts, and cross-chain relays that inspire reactive security architectures.
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Revert strings vs custom errors: weighing readability against the structured, gas-efficient approach for production smart contracts. Includes a repo with examples and tests.
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Controlling who can propose sensitive actions and when they execute, using OpenZeppelin's TimelockController and AccessControl.
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Most contracts don't get hacked — they get misconfigured. Replacing the single-owner model with defined roles (Admin, Operator, Bot) using OpenZeppelin's AccessControl, so each key can do only what it should.
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Why two-step ownership transfers (transferOwnership + acceptOwnership) are safer than a single call — ownership changes are high-risk and deserve a deliberate, controlled process.
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Proving "Age ≥ 18" without revealing date of birth — a Noir + Barretenberg demo for compliant identity verification that keeps personal data private.
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Smart contract laundering as an emerging on-chain privacy mechanism — and why it may challenge AML and regulatory frameworks more than zk systems do.
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The five pieces of a ZKP — prover, verifier, circuit, witness, public inputs — walked through with a KYC example where a bank validates compliance without seeing personal data.