Transaction

j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckM5<div class="post">There's a separate public/private keypair for every bitcoin address.&nbsp; You don't have a single private key that unlocks everything.&nbsp; Bitcoin addresses are a 160-bit hash of the public key, everything else in the system is 256-bit.<br/><br/>If there was a collision, the collider could spend any money sent to that address.&nbsp; Just money sent to that address, not the whole wallet.<br/><br/>If you were to intentionally try to make a collision, it would currently take 2^126 times longer to generate a colliding bitcoin address than to generate a block.&nbsp; You could have got a lot more money by generating blocks.<br/><br/>The random seed is very thorough.&nbsp; On Windows, it uses all the performance monitor data that measures every bit of disk performance, network card metrics, cpu time, paging etc. since your computer started.&nbsp; Linux has a built-in entropy collector.&nbsp; Adding to that, every time you move your mouse inside the Bitcoin window you're generating entropy, and entropy is captured from the timing of disk ops.</div> text/html