IBC Ecosystem
Cosmos Verification
Verify Cosmos ecosystem wallet control through message signing. Works with Keplr, Cosmostation, and all IBC-compatible wallets across the Cosmos ecosystem.
How It Works
ADR-036 arbitrary message signing verification
Step 1
Create Challenge
Call our API with the Cosmos address. We generate a unique message for the user to sign.
Step 2
User Signs Message
User signs the challenge message with their wallet (Keplr, Cosmostation, etc.). No transaction needed.
Step 3
Proof Generated
We verify the signature and return a proof token confirming wallet control.
API Integration
Integrate Cosmos wallet verification
1. Create Verification Request
curl -X POST https://api.proof.holdings/api/v1/verifications -H "Authorization: Bearer pk_live_YOUR_API_KEY" -H "Content-Type: application/json" -d '{
"type": "wallet",
"channel": "cosmos",
"identifier": "cosmos1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}'2. Verify the Proof Token
# After user signs the challenge message
curl -X POST https://api.proof.holdings/api/v1/verifications/VERIFICATION_ID/submit -H "Authorization: Bearer pk_live_YOUR_API_KEY" -H "Content-Type: application/json" -d '{
"signature": "0x..."
}'Response Example
{
"id": "507f1f77bcf86cd799439011",
"type": "wallet",
"channel": "cosmos",
"status": "verified",
"identifier": "cosmos1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"verified_at": "2026-03-15T10:30:00Z",
"proof": {
"token": "eyJhbGciOiJSUzI1NiIs...",
"expires_at": "2026-04-14T10:30:00Z"
}
}