Zainan Victor Zhou

Heroku isn't dead, but it's no longer the default.

对比托管 API 和可以自己部署的开源模型，涵盖准确率、每音频小时价格、说话人分离能力，以及自托管的实际成本。

Hosted APIs versus open models you can run yourself, compared on accuracy, price per audio-hour, diarization, and what self-hosting actually costs.

After a compromised Mac and AI agents leaked secrets into session logs, I began building GuestSafe: a local, auditable alternative to .env.local.

今天，人们一面担心 AI 强大到足以扰乱秩序，一面又嘲笑它只会制造粗劣内容。

AI is feared as dangerous and mocked for producing junk.

A field survey of local secret stores for AI agents on macOS—and the privilege boundary needed to keep an agent from erasing its own access trail.

Your decision, your responsibility.

两个疲惫的爸妈，一个一岁的娃，还有一份越攒越长的「想去但还没去」清单。

Two tired parents, a one-year-old, and a thousand bookmarked places we keep meaning to visit.

A technical deep-dive into why Carried Patch Queue (CPQ) is the gold standard for individuals maintaining their own software stacks in 2026 — and why the old ways of managing downstreams will eventually kill your project.

It is now possible for each person to maintain their own personal distro with AI: a fast-moving, opinionated downstream version of software that continuously rebases on upstream while preserving your own defaults, workflows, and carried patches.

A deep-dive security review of Claude Code's internals, reconstructed from its published source maps.

Figma 对 AI Agent 是隐形的。

Figma is invisible to AI agents.

一个好域名值多少钱？

Address poisoning isn't a user problem — it's a wallet UI bug.

深度解构美团"拼好饭"模式：从印度达巴瓦拉到硅谷Sprig的失败，一场关于效率、密度与文化的全球外卖实验。

YouTube如何从"人人广播台"的社交视频理想，被用户带向盗版内容分享，却意外找到了产品市场契合。

一个前中医批评者的反思：以"不科学"批评"中医"本身就不科学，应精确批评"未经现代验证的经验医学"。

从游乐园的疲劳体验出发，探讨体力和脑力消耗的科学分析框架及抗疲劳策略。

A technical proposal for decentralized email anti-spam using trust propagation, group trust, and optional pay-to-email mechanisms.

A proposal for Orange DAO to create a Perk Exchange page where founders can share and discover startup perks and credits.

An entrepreneur's journey to understanding accounting: from the balance sheet to income statements, demystifying the core logic.

创业者视角的会计学入门：从资产负债表到损益表，理解"把关心的东西数清楚"的核心逻辑。

AI之于思考，正如汽车之于步行——回顾从手写到AI，工具如何不断放大人类的智力能力。

AI is to thinking what the car was to walking — a reflection on how tools from handwriting to AI have amplified human intellectual capacity.

从剧场体验到音乐发行再到企业运营，探讨"间接成本"如何决定作品长度、内容形式和商业规模。

How 'overhead' shapes content length, music distribution, and business scale — from Broadway shows to blockchain micro-transactions.

探讨国际航班仍需人工值机的原因，并建议通过标准化接口实现旅行证件的数字化验证。

Why international flights still require manual check-in, and a proposal for standardized APIs between airlines and customs for digital verification.

探讨区块链如何将小费文化从不可靠的单次交易转变为透明的公开荣誉体系，实现良币驱逐劣币。

How blockchain could transform tipping from unreliable one-off transactions into a transparent, reputation-based system that rewards good service.

分析客户电话体验糟糕的根本原因：从找不到正确号码、复杂菜单到反复验证身份。

A constructive analysis of why calling customer service is so painful — from wrong numbers to complex menus to repeated identity verification.

《The United States of Europe》读书笔记：从二战到2004年，欧盟的历史、关键人物和欧元诞生过程。

How on-chain reputation creates a qualitative leap over traditional systems through openness, decentralization, and fairness.

A curated list of books I highly recommend, from Bill Gates to Vitalik Buterin.

Exploring the concept of group delegatees in DAO governance — how collectives using multi-sig wallets can serve as more resilient delegates.

简要列举多巴胺、内啡肽、催产素、血清素等情绪相关激素及其功能。

从睡眠环境、提前准备到失眠应对，总结提升睡眠质量的实用方法。

A technical overview of Ethereum for internet engineers, covering its state machine model, execution layer, and consensus mechanism.

A living document on my writing workflow: Markdown, Obsidian, Jekyll on GitHub Pages, inspired by the Zettelkasten method.

A running list of tools and gear I use daily — blogging, IDE, full-stack development, headphones, and sport monitoring.

2020年疫情期间对外卖配送、远程办公、在线教育等产业发展趋势的预测。

My foundational article on why I write: self-expression, personal growth, connecting with readers, and the joy of creative exploration.

A vision statement of D3Serve: why digitizing trust — like the digitization of information before it — promises a leap in productivity, loss-less precision, lower cost, and automation.

手工推导贝祖定理（Bézout's lemma）的完整证明过程，包括充分性和必要性。

A framework for understanding communities: what defines them, why they matter for collaboration, and how to build them.

推荐即兴喜剧这个爱好，附入门视频、精彩表演推荐和自己可以玩的游戏链接。