Zibri posted a extensive post on his blog, where he complaints about being accused as a stealer. I’ll let you read it yourself.

I wonder why I am the one accused of stealing
and then NOBODY gives me the credit for what I have done.

The only 2 things I did in the iPhone scene
were to DUMP THE 837 KEY and booting from an unsigned ramdisk.
(nobody even understood what it was when
I posted it on my blog).

Now the so called “dev team” released their tool
and I see no mention of that.

George Hotz wrote a code based on dev team tool
to “execute unsigned code at dfu level”…

Look at the start of the code:

const unsigned char key837[]={0×18,0×84,0×58,0xA6,0xD1,0×50,0×34,0xDF,0xE3,0×86,0xF2,0×3B,0×61,0xD4,0×37,0×74};

That is the key I dumped.
Without it NO TOOL could ever be possible.

That’s why I called it a “major breakthru” at that time.

That key also made it possible to decrypt the ramdisk and
create a custom one.

Now if you remember I have always credited people
(george hotz for his unlock based on gray’s work and
many members of iphone-elite that now are calling
themselves “dev team”.

Now I won’t say anyone stole anything.
But these are the FACTS.

Dev team did an impressive team work this time
and even if I don’t personally like the tool I see
no other way to do things on 2.0.
(If I’ll see one I’ll tell you)

The same people accusing me
of “stealing” didn’t EVER credit me for what
I’ve done.

And I repeat for who wasn’t
reading at that time:
No ZiPhone (iLiberty/iPlus) could
ever be existed without the ramdisk
exploit I found and
NO “pwns” without the 837 key.

Zibri.
Source