年齡驗證

以有備而來與 OpenAC 電路做出不揭露生日的年齡證明，從 Mac 驗證、Cloudflare 容器部署到 Prepare 快取，記錄實測秒數、費用、與 SD-JWT-VC 的隱私權衡及政策建議。

At least twenty-five countries have pushed age-verification legislation in three years. The technical choices embedded in these laws will determine whether the result is a child-safety tool or a mass surveillance apparatus — and political urgency is tilting most nations toward the wrong end of that spectrum.

當全球至少二十五個國家在三年內推動年齡驗證立法，「證明你幾歲」這件事正在催生一套全民數位身分基礎設施。技術選擇決定它落在保護工具還是監控基礎設施的哪一端，而政治急迫性正把多數國家推向高風險端。