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Using RPC API of the official client? Unless you do something smarter like bitcoin lottery (I forgot how it is called).


If you have just a few transactions then yes, but the official client has a few caveats that can show up as problematic.

I would write it myself, but there is far better explanation here on reddit

http://www.reddit.com/r/Bitcoin/comments/1x93tf/some_irc_cha...

basically:

- the difficulty of finding available addresses is quadratic to the number of unspent transactions

- someone can slightly change the transaction so it's still valid, but have a different transaction ID - that can mess up clients and break chains of unconfirmed transactions




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