Use Case
Gas sponsorship.
Your users pay nothing.
Cover gas fees for your users from your own balance. Set policies per contract, per user, or per spend cap — and let Zafeguard handle the rest.
Start buildingLive Workflow Example
How it works
Every transaction is policy-checked, gas-covered, and MPC-signed before it ever touches the chain.
Trigger
Any User Transaction·API Call
Policy Check
Verify Whitelist·Check Spend Cap·Validate Contract
Gas Coverage
Calculate Gas Cost·Deduct from Sponsor Balance
Build TX
Add Gas Data·Build Transaction Hash
MPC Sign
Node 1·Node 2·Node 3·Threshold Reached
Execute
Submit TX·Confirm On-Chain·Update Spend Tracker
0 gas
user cost
< 2s
TX time
20+
supported chains
Any policy
spend cap
What it does
- Users transact without ever buying or holding native gas tokens
- Set per-user or per-contract spend caps — automatically enforced
- Whitelist specific contracts so only your app's actions are sponsored
- MPC-signed transactions — no private key exposure at any point
- Full audit trail: every sponsored TX logged with cost and policy matched