A KMS node requires a KMSAuth contract to be deployed on the Ethereum-compatible network.

cd dstack/kms/auth-eth
npm install
npx hardhat compile
PRIVATE_KEY=<your-private-key> npx hardhat kms:deploy --network phala

Expected Output:

Deploying proxy…
Waiting for deployment…
KmsAuth Proxy deployed to: 0xFE6C45aE66344CAEF5E5D7e2cbD476286D651875
Implementation deployed to: 0x5FbDB2315678afecb367f032d93F642f64180aa3
Deployment completed successfully
Transaction hash: 0xd413d01a0640b6193048b0e98afb7c173abe58c74d9cf01f368166bc53f4fefe