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jimbobway (OP)
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November 14, 2011, 10:38:45 PM
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I want to develop a bitcoin app on Google App Engine (GAE).  However, I don't know if I can actually run bitcoin on GAE.  What I need is to be able to get total balance given a bitcoin address.  What is the easiest way to do this?  Thanks.
The Bitcoin network protocol was designed to be extremely flexible. It can be used to create timed transactions, escrow transactions, multi-signature transactions, etc. The current features of the client only hint at what will be possible in the future.
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DeathAndTaxes
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November 14, 2011, 10:42:06 PM
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Not sure about easy but you need to:
1) locate the most recent transaction involving the address.
2) the number of coins transfered to it is the current balance (barring any unconfirmed transactions)
3) if the address is not in the block chain then it has a value of 0.
jimbobway (OP)
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November 14, 2011, 10:42:23 PM
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Ok, I may have answer my own question.  I found this:

http://blockexplorer.com/q
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