JosephWang
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Apr 20, 2026
Zero-Knowledge·Blockchain·Statistics·Go·Distributed Systems

Why ZK Rollups Need a Smarter Way to Manage State

Hero image source: guerrillabuzz on Unsplash.

Apr 8, 2026
Smart Contracts·Solidity·Ethereum·Blockchain·QA

Ethereum Account State: QA Pipeline for a Minimal Token

The previous post walked through an end-to-end implementation: a minimal token contract, off-chain state reconstruction, and a React frontend — all the way f...

Mar 27, 2026
Rust·Blockchain·DePIN·Protocol Design·QA

Metering Chain: QA That Follows Business Logic

Phases 1-4 defined the guarantees Metering Chain is supposed to provide. This article is about testing the failure modes that can quietly break those guarant...

Mar 21, 2026
Rust·Blockchain·Web3·Cryptography·Consensus

Blockchain in 2026: Trust, State, and Why Rust Fits

What pushed me to write this was simple: digital finance still relies too much on centralized operators. Banks can freeze accounts. Platforms can change rule...

Feb 21, 2026
Rust·Blockchain·DePIN

Metering Chain Phase 4: Settlement and Economic Finality

Phase 1 was about accounting. Phase 2 locked down authorization. Phase 3 added delegation. Phase 4 is where money movement finally stops being "we think this...

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