Mobile wallets are coming – that is a certainty, some experts say.

But just about everything else around this issue remains uncertain as credit unions, banks, and merchants scramble to attempt to keep pace with a fast evolving marketplace.

For some, the idea is captivating: replace cash and leather wallets with a mobile phone that, increasingly, many of us carry just about everywhere. More tantalizing still is that a phone has intelligence a leather wallet never could. It knows with precision where it is and when properly programmed, can become a vehicle for delivering targeted offers and deals.