The latest articles on Forem by Hamid Iqbal (@hamid_iqbal_75c855b7c8375). https://forem.com/hamid_iqbal_75c855b7c8375 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3857033%2F47614232-2b67-4036-9584-1de6b490a59c.jpg https://forem.com/hamid_iqbal_75c855b7c8375 en Hamid Iqbal Thu, 02 Apr 2026 07:09:37 +0000 https://forem.com/hamid_iqbal_75c855b7c8375/show-hn-zkauth-zero-knowledge-identity-on-android-using-rust-plonky2-39ms-proofs-2jne https://forem.com/hamid_iqbal_75c855b7c8375/show-hn-zkauth-zero-knowledge-identity-on-android-using-rust-plonky2-39ms-proofs-2jne <p>Built a ZK identity system that lets you prove <br> who you are without revealing any data.</p> <p>Tech: Rust (Plonky2 v0.2.2) via JNI → Kotlin<br> Two tiers:</p> <ul> <li>Tier 1: NFC passport (ICAO 9303)</li> <li>Tier 3: Android KeyStore + biometric</li> </ul> <p>Benchmarks on Realme RMX3830 (Android 14):</p> <ul> <li>Proof: 39ms</li> <li>Verify: 8ms</li> <li>Memory: 78KB</li> <li>Proof size: 20KB</li> </ul> <p>Live demo: zkp-identity-production.up.railway.app</p> <p>💬 Feedback &amp; Chat:<br> discord.gg/rXmMh2q2k<br> Happy to answer questions about circuit <br> design or Rust-JNI implementation.</p> android rust security showdev