No. 01
Claim Request
Users submit health claims without exposing underlying medical records.
EPHEMERA
Privacy-Preserving Health Credentials
Request, prove, and verify health claims with Midnight zero-knowledge proofs. Keep personal medical data private while sharing only trusted validity.
v.01 / Midnight Build
01 / Signals
SYSTEM STATUS
02 / Flow
CREDENTIAL PIPELINE
End-to-end path from issuer approval to on-chain verification.
01
User Action
Request Badge
Submit a claim request with the exact credential type you need.
02
Issuer Dashboard
Issuer Review
An allowlisted issuer reviews and approves trusted requests.
03
Issuer Key
Sign Claim
Issuer signs claim payloads using controlled private keys.
04
ZK Engine
Generate Proof
Chain service produces a proven transaction from claim data.
05
Wallet Submit
Mint Badge
Lace balances and submits your badge mint transaction.
06
Verifier
Verify Publicly
Anyone can verify badge validity with no private health leakage.
03 / Principles
WHY EPHEMERA
PRIVACY FIRST
Reveal only claim validity. Never expose medical record contents.
TRUSTED ISSUANCE
Only allowlisted issuers can sign and approve credentials.
SHORT-LIVED BADGES
Credentials stay ephemeral and map to real-world recency requirements.
INSTANT VERIFICATION
Share proof quickly while preserving identity and data confidentiality.
04 / Colophon
PROJECT DATA
Product
- Ephemera
- Health Credentials
Stack
- Next.js
- Tailwind v4
- Midnight
Proofs
- Zero Knowledge
- Confidential by default
Issuer Model
- Allowlist-gated
- Admin managed
Actions
Year
- 2026
- Ongoing
Ephemera / Privacy-preserving credentials
Built with intention. Designed for trust.