chore: update readme and correct merkle proof service url

SwissBorg · Oct 2, 2024 · 7e2d378 · 7e2d378
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diff --git a/config/dev.yaml b/config/dev.yaml
@@ -7,5 +7,5 @@ Node: https://evm-rpc-http-andromeda.galactica.com
 RegistryAddress: 0x29eFd381054edDb68163C0D34546d9EaE9710091
 
 MerkleProofService:
-  URL: merkle-proof-service.galactica.com:443/v1/galactica/41238
+  URL: grpc-merkle-41238.galactica.com:443
   TLS: true
diff --git a/readme.md b/readme.md
@@ -16,7 +16,8 @@ Backend service that generates encrypted zk KYC certificates for the Galactica b
 To run this project, you need to have the following secrets passed to the application via environment variables:
 
 - `CONFIG_PATH`: Path to the config file
-- `PRIVATE_KEY`: Private key to sign and issue the zk certificate
+- `PRIVATE_KEY`: ECDSA private key for blockchain interactions
+- `SIGNING_KEY`: (Optional) EdDSA private key for ZK certificate signing. The key will be derived from `PRIVATE_KEY` if not provided
 
 These can be set in a `.env` file for local development.