That site seems to give no details about how internetpeso works; it confuses "how does it work?" with "how do I use it?".
Also, Taler seems to be very much a Free Software project. internetpeso seems to be proprietary, and also self-contradictory:
> Other cyber-currencies require that you trust complete strangers to verify transactions. This is a patently unsafe way of handling your life savings.
> We leverage best-of-breed closed-source software