Day 0
0 Completed
0 Failed
$0 Volume
? Step 1: Tamper with data
? Step 2: Detect the tamper
Five banks, one clearing house. Hit Start to run a simulation, or try Corrupt Ledger then Integrity Check to see SHA-256 tamper detection in action.
Network Topology ? 6 nodes
Transaction Log 0
⚠ System 0
▲ Outgoing 0
Hit Start to run a multi-day simulation. Deposits, withdrawals, and transfers will appear here.
▼ Incoming 0
Inter-bank settlements and incoming transfers will appear here during simulation.
Live COBOL ? —
Browse Source
Each line shows one COBOL program execution: timestamp, bank, type (DEP/WIT/TRA/EXT), account, amount, and status (OK/FAIL). Hit Start above to begin.
Call Graph
Execution Trace
Click Analyze to trace all execution paths
〈/〉
Send a message to begin