Chaos and Order https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Fri, 12 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity.en The Age of Mandatory Age Verification — Is Privacy-Preserving Identity Possible? https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity.en Examining the push toward mandatory age verification on social media and the privacy concerns it raises, this post walks through privacy-preserving authentication technologies from a developer perspective: zero-knowledge proofs, Verifiable Credentials with selective disclosure (SD-JWT), eIDAS 2.0 digital wallets, and device-side verification. It balances what technology can solve against the policy problems it cannot. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) privacyidentityzero-knowledgeverifiable-credentialssecurityweb https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity.ja 年齢認証義務化の時代 — プライバシーを守る認証技術は可能か https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity.ja ソーシャルメディアの年齢認証義務化の流れとそれが招くプライバシー懸念を整理し、ゼロ知識証明、selective disclosure付きVerifiable Credentials (SD-JWT)、eIDAS 2.0デジタルウォレット、デバイス側検証モデルまで、プライバシーを保存する認証技術を開発者の視点でまとめます。技術が解決できることと、解決できない政策問題をバランスよく扱います。 Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) privacyidentityzero-knowledgeverifiable-credentialssecurityweb https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity 연령 인증 의무화 시대 — 프라이버시를 지키는 인증 기술은 가능한가 https://www.youngju.dev/blog/network/2026-06-12-age-verification-privacy-preserving-identity 소셜미디어 연령 인증 의무화 흐름과 그에 대한 프라이버시 우려를 짚고, 영지식 증명, Verifiable Credentials와 selective disclosure(SD-JWT), eIDAS 2.0 디지털 지갑, 디바이스 측 검증 모델까지 프라이버시를 보존하는 인증 기술을 개발자 관점에서 정리합니다. 기술이 풀 수 있는 것과 풀 수 없는 정책 문제를 균형 있게 다룹니다. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) privacyidentityzero-knowledgeverifiable-credentialssecurityweb