Utilizing national IDs in the Ethereum ecosystem
summary
Panel describes working systems that let users scan government IDs (e passports via NFC passport scan, India Aadhaar QR signatures, Japan’s minor card) and produce selective zero‑knowledge proofs using Circom then Noir, split into Noir subcircuits to avoid >4 GB client RAM needs. Teams demo a Devcon ticket Southeast Asia country‑proof discount and a rural tap‑to‑pay USDC demo, verify timestamps for freshness, handle active‑auth signatures, and warn that Mina/RSA→ECDSA shifts, on‑chain PKI mappings and government visibility create real privacy and verification tradeoffs.
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chapters (19)
- 0:00National ID projects in Ethereum
- 2:53Differences between projects
- 5:43Why national IDs matter
- 7:50Trust assumptions and signatures
- 11:41Passport proofs for Sybil resistance
- 14:31Active authentication in IDs
- 18:25Privacy with government IDs
- 23:48Hardware wallets and signing keys
- 25:56Client-side proving challenges
- 33:16On-chain vs off-chain identity
- 35:00Real-world adoption of wallets
- 37:28Compliance and privacy trade-offs
- 41:02Future of government identity
- 44:12Immediate use cases
- 46:22Business models for identity
- 47:47Proving inherence remotely
- 49:11Relying on government data
- 51:18Hardware for users without devices
- 52:43Wrap-up and next steps
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