Quote from: apxu on April 29, 2014, 08:58:03 AM

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It is not the scam. Just a black humor to prove how bitcoin is secured by Mathematics.

The search text input is for searching Page Number ONLY.
We have cancelled the private search text input in case people think that we will record the private key people entered.

It is scam.

For example,
1) I visit page http://key.btc123.com/134384732473xxxxxxxxxxx294732473247968546 and import one of private keys on it to my wallet
2) I transfer some bitcoins to the address of this private key
3) You see the number 134384732473xxxxxxxxxxx294732473247968546 in your server logs and import ALL private keys from this page
4) Now you are able to steal my bitcoins. Profit!

to all: NEVER USE PRIVATE KEYS FROM SUCH "DATABASES" FOR KEEPING YOUR FUNDS - THEY ARE NOT SAFE

The site NEVER suggest visitor do so and NEVER guide visitor to do sth like this. It just list all the private keys in the key space.
The site has a warning on it : NEVER expose or search your private key at any circumstance at any time. And this also means, if a private key is exposed, then NEVER use it.

If we can benifit from this site, it is that this site increases the visiting users for site btc123.com, and in some extend advertises the new block explorer : b.btc123.com