user19484: Recently, I found a site that show all the addresses in a huge list, divided in 904625697166532776746648320380374280100293470930272690489102837043110636675 pages.
The site's link is http://directory.io/ and I want to know if I can find a certain address from the whole list. I already tried to merge all those pages into one list and then search for the address with the browser, but I'm not sure how to do it (because I don't know much about HTML).
So, if you know a way to do this, please tell me and explain me how. Thanks! 

user3919: Also important to note is that Directory.io doesn't actually store any private key (because that would be physically imposible, for a reason similar to this). Rather, you tell it which page you want to see, and then it shows you the private keys [n*128, (n+1)*128-1], which it calculates on the fly. Your private keys are never compromised by this website.

user5292: I don't think you understand that site. It 'lists' all possible addresses and you do NOT want to search your own address in there (even if that were possible).
I don't know of the site is a joke or a troll, but best just to avoid it.

user9382: The site Directory.io is an insider joke; it's simply making the statement that there's 2^256 - 1 (ie X combinations, where X = 115792089237316195423570985008687907852837564279074904382605163141518161494336 
) private keys.
A private key can be a large number like 904625697166532776746648320380374280100293470930272690489102837043110636601 or small like 0.
So what's been done is each page is essentially a list of hashed numbers in order, starting at n=0, then next n=1, 2, 3, etc ad nauseum 
Similarly, a hashed number called the secret exponent - a hexadecimal number up to 2^160 in size - represents the public key. You can see the public key for yourself with the secret exponent field at BrainWallet.org and the private key proof at the Directory.io FAQ.

user5406: As Arturo and Aussie already said, directory.io shows all Bitcoin addresses sorted by private key. Also, the author explains his intent on directory.io/faq.
The first page has 11.302 Byte. Assuming they all are about the same size, 1TiB would just store 97,284,695 pages. Yet, there are 904625697166532776746648320380374280100293470930272690489102837043110636675 pages. That is approximately 9.05 × 1074, i.e. ~1066 TiB.
There is not enough memory to store them, and it is infeasible to search for one address in them in reasonable time.
Concluding, everyone's bitcoins are still safe. :)

19484: <p>Recently, I found a site that show all the addresses in a huge list, divided in 904625697166532776746648320380374280100293470930272690489102837043110636675 pages.</p>

<p>The site's link is <a href="http://directory.io/">http://directory.io/</a> and I want to know if I can find a certain address from the whole list. I already tried to merge all those pages into one list and then search for the address with the browser, but I'm not sure how to do it (because I don't know much about HTML).</p>

<p>So, if you know a way to do this, please tell me and explain me how. Thanks! </p>
 3919: <p>Also important to note is that <a href="http://directory.io" rel="nofollow">Directory.io</a> doesn't actually store any private key (because that would be physically imposible, for a reason <a href="http://cointext.com/wp-content/uploads/2013/11/btcbruteforce.jpg" rel="nofollow">similar to this</a>). Rather, you tell it which page you want to see, and then it shows you the private keys [n*128, (n+1)*128-1], which it calculates on the fly. Your private keys are never compromised by this website.</p>
 5292: <p>I don't think you understand that site. It 'lists' all possible addresses and you do NOT want to search your own address in there (even if that were possible).</p>

<p>I don't know of the site is a joke or a troll, but best just to avoid it.</p>
 9382: <p>The site <a href="http://directory.io" rel="nofollow">Directory.io</a> is an insider joke; it's simply making the statement that there's 2^256 - 1 (ie X combinations, where X = 115792089237316195423570985008687907852837564279074904382605163141518161494336 
) private keys.</p>

<p>A private key can be a large number like 904625697166532776746648320380374280100293470930272690489102837043110636601 or small like 0.</p>

<p>So what's been done is each page is essentially a list of hashed numbers in order, starting at n=0, then next n=1, 2, 3, etc <em>ad nauseum</em> </p>

<p>Similarly, a hashed number called the secret exponent - a hexadecimal number up to 2^160 in size - represents the public key. You can see the public key for yourself with the <em>secret exponent</em> field at <a href="http://brainwallet.org" rel="nofollow">BrainWallet.org</a> and the private key proof at the <a href="http://directory.io/faq" rel="nofollow">Directory.io FAQ</a>.</p>
 5406: <p>As <a href="https://bitcoin.stackexchange.com/a/30704/5406">Arturo</a> and <a href="https://bitcoin.stackexchange.com/a/30703/5406">Aussie</a> already said, <a href="http://directory.io" rel="nofollow noreferrer">directory.io</a> shows all Bitcoin addresses sorted by private key. Also, the author explains his intent on <a href="http://directory.io/faq" rel="nofollow noreferrer">directory.io/faq</a>.</p>

<p>The first page has 11.302 Byte. Assuming they all are about the same size, <strong>1TiB would just store 97,284,695 pages.</strong> Yet, there are 904625697166532776746648320380374280100293470930272690489102837043110636675 pages. That is approximately 9.05 × 10<sup>74</sup>, i.e. ~10<sup>66</sup> TiB.</p>

<p><strong>There is not enough memory to store them, and it is infeasible to search for one address in them in reasonable time.</strong></p>

<p>Concluding, everyone's bitcoins are still safe. :)</p>
