Simulator
Rail Race
Press start. A simulated clock compresses seconds into days while three rails race the same payment to finality. Watch the feed — it's the teacher.
Choose a scenario
Elapsed (simulated)
T+0.0s
×1
Clock accelerates — real seconds first, then hours and days blur past.
CARD
~1.5–2.5% MDR · merchant pays
Undo-able throughout — reversals before, disputes after settlement
$
AuthorisedClearedSettled
INSTANT (A2A)
~flat fils / cents · sender or free
NO UNDO — money is gone when it's gone
$
SentSettled · Final
CHEQUE
handling + bounce risk · both sides
Can bounce until cleared
$
DepositedClearingCleared
Event feed
0 / 8
Press Start to begin. Events narrate here as the clock reaches them.