Reset is based on the oldest transaction awaiting repayment.

So the oldest transaction awaiting repayment was confirmed at 16:39:01, the ponzi would therefore restart 4 hours from this time.

Mini PonziCoin is a quick fire round, when repayments slow down we restart and start again. Its meant to be fun and not taken too seriously (hence the lower deposit limits).

To stop the timer, we need to generate more repayments