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Author Topic: Wallet security idea (best for phones/mobiles)  (Read 737 times)
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June 16, 2011, 12:53:56 AM

Not sure if this was mentioned before, but it would work like this:

Phone wallet software would ask to configure a PIN number, number of incorrect attempts to allow, and a Bitcoin address to dump money to. Let's say the # of attempts is 3, and the bitcoin address is MyBitcoin, some other online storage, or my home wallet address.

To use the wallet at a store or with a friend, I just type the PIN number and have quick access to my money.
If my phone is stolen, and the thief tries to guess the pin, after 3 tries the phone quietly sends the coins to the pre-configured address, but keeps requesting a pin number, not letting the thief know the money is gone already. This way, the money will be returned instead of being lost. Likewise, an option can be made that if the wallet isn't accessed for some period of time (say, 24 hours), the money will be sent out as well. This will help prevent lost bitcoin due to lost phones.

Now, I know someone could backup the phone's entire file data, take the phone offline, and keep trying then restoring the data, but if you're just storing maybe $20 to $50 of walking around cash, hopefully that will be too little for that much work to be worth it. Not sure if something similar can be implemented in the PC-based Bitcoin software, too (doubt it).

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