Here’s a good discussion, What’s in Your Wallet?, of whether you can convert from a wallet to a smartphone. He’s right, where would you put your coins.
At least, if you lose your mobile device, it can be disabled or even found with the proper app in it.
- Mobile Wallet Anyone? Sure, but Please Make Mine a Smart One (forbes.com)
- ‘Few lost wallets are handed in’ (autonetinsurance.co.uk)