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

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_chatter_about_what_is_going_on_at_mtgox/cf99yac 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