Quick Load — Preset Policies
01 · Role / Identity
🩺
Doctor
🚑
Paramedic
💊
Nurse
🧑⚕️
Health Asst.
🔬
Researcher
🏥
Manager
02 · Location (STZone)
03 · Time Constraints
Mon
Tue
Wed
Thu
Fri
Sat
Sun
04 · Permitted Operations
05 · Policy Class ID
Live Policy Preview
Role Doctor
Location Hospital
Department Any
Time Window08:00 → 17:00
Days Mon Tue Wed Thu Fri
Operations READ
Policy ID —
SHA-256 Hash Output
Fill in the form and click Generate →
Policy to Store
What Happens When You Click Store
01MetaMask popup asks you to confirm the transaction
02Your wallet signs and broadcasts the transaction to Sepolia
03Wait ~14 seconds for a miner to include it in a block
04Hash is now permanently on-chain. Nobody can alter it. Ever.
Update Existing Policy Hash
Read from Blockchain
FREE — no gas, no MetaMask popup needed
Verify Policy Integrity
This simulates what STABAC does before every access decision — comparing the current policy hash against the immutable blockchain record.
Demo: Tamper Test
Load a policy, then click Tamper to flip one character. Verify again to watch it fail — this is the paper's tampering detection in action.
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Locally Saved Policies
Policies built this session. Click any to load into Store or Verify.
📋
No policies yet. Build one in Tab ①.How the Blockchain Remembers
The smart contract lives on the Sepolia testnet — thousands of computers worldwide.
When you turn off your PC:
✓Smart contract keeps running
✓Stored hashes are still there
✓Cloudflare site stays up 24/7
✓Anyone with the link can access it
✗Session history clears on page close — it's local only