Writing
Deep dives on the parts of Web3 and AI products that decide whether they survive contact with real users — written from the build, with the code left in.
The contracts are audited, the math is elegant, and a month after launch the funnel is dead at “Connect Wallet”. The problem is almost never the protocol — it is treating UX as a skin applied at the end rather than an architectural constraint set in week one.
For eight years every Ethereum transaction started with an externally owned account. ERC-4337, ERC-7579 and EIP-7702 change that — here is the architecture, a production verifying paymaster in Solidity, and why 7702 matters more than it first appears.
A database write either succeeds or fails in 50ms. A chain write is probabilistic, reorderable and occasionally reversed. Here is the three-layer state engine we build to keep interfaces instant without lying to the user.
Exploits do not happen on happy paths. Attackers chain state transitions across blocks, flash loans and unexpected callers. Handler-based invariant fuzzing is how you find those sequences before an auditor — or an adversary — does.
A contract is not a product. A smart contract replaces one slice of a backend — the settlement layer — and the gap between a deployed contract and something a person can use is mostly ordinary software engineering.
An impressive AI demo takes an afternoon. A pipeline that stays reliable for thousands of daily users takes an evaluation architecture — four independent RAG metrics, a faithfulness threshold, and a CI gate that blocks the release when it slips.