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j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckMó<div class="post">I am convinced that the foundation of bitcoin (ie. the block chain) is secure from any non-nationally funded attack. &nbsp;The only attack that makes me scared is a buffer overflow attack that steals the private keys in the wallet, however doesn't spend them.<br/><br/>If a significantly large attack happens to the block chain, we can always make a new branch that doesn't include the attack; with the theft of private keys, there is no easy recovery option, save (in the case of a massive attack), starting the block chain from 0 again.<br/><br/>As I'm not a security expert, I do not know how secure bitcoin is against this sort of attack. &nbsp;However from my non-expert understanding direct to IP address transfers seems like a obvious surface area to attack.<br/><br/>Two questions: what attack areas dose the current bitcoin software have that could enable the theft of bitcoin private keys?<br/>Secondly, what efforts can be taken to minimize the attack surface area of bitcoin?</div> text/html