<s>
Panfu	B-Protocol
was	O
a	O
massively	B-Application
multiplayer	I-Application
online	I-Application
game	I-Application
for	O
children	O
aged	O
between	O
6	O
and	O
14	O
,	O
involving	O
a	O
virtual	B-Application
world	I-Application
where	O
players	O
could	O
create	O
their	O
own	O
panda	O
and	O
explore	O
the	O
island	O
of	O
Panfu	B-Protocol
.	O
</s>
<s>
According	O
to	O
the	O
creators	O
,	O
about	O
15,000	O
players	O
registered	O
daily	O
on	O
the	O
German	O
Panfu	B-Protocol
.	O
</s>
<s>
Panfu	B-Protocol
was	O
made	O
available	O
to	O
the	O
general	O
public	O
on	O
December	O
1	O
,	O
2007	O
–	O
after	O
a	O
beta	O
testing-phase	O
which	O
lasted	O
a	O
month	O
.	O
</s>
<s>
The	O
two	O
founders	O
of	O
Young	O
Internet	O
,	O
Kay	O
Kühne	O
and	O
Moritz	O
Hohl	O
,	O
first	O
published	O
Panfu	B-Protocol
in	O
December	O
2007	O
,	O
after	O
3	O
months	O
of	O
development	O
and	O
a	O
month	O
of	O
public	O
beta	O
testing	O
.	O
</s>
<s>
Panfu	B-Protocol
is	O
a	O
name	O
composed	O
of	O
the	O
words	O
"	O
panda	O
"	O
and	O
the	O
Chinese	O
word	O
for	O
happiness	O
,	O
"	O
fu	O
"	O
.	O
</s>
<s>
Only	O
6	O
weeks	O
after	O
its	O
launch	O
,	O
Panfu	B-Protocol
had	O
more	O
than	O
300,000	O
registered	O
members	O
.	O
</s>
<s>
Following	O
this	O
,	O
Panfu	B-Protocol
hit	O
one	O
million	O
users	O
in	O
April	O
2008	O
,	O
and	O
in	O
June	O
2009	O
,	O
the	O
website	O
had	O
10	O
million	O
users	O
worldwide	O
and	O
stood	O
as	O
the	O
biggest	O
children	O
's	O
virtual	B-Application
world	I-Application
in	O
Europe	O
.	O
</s>
<s>
In	O
April	O
2012	O
,	O
Young	O
Internet	O
was	O
renamed	O
to	O
Goodbeans	O
and	O
shifted	O
their	O
focus	O
to	O
mobile	B-Application
gaming	I-Application
.	O
</s>
<s>
With	O
the	O
new	O
focus	O
on	O
mobile-only	O
,	O
their	O
focus	O
slowly	O
drifted	O
away	O
from	O
Panfu	B-Protocol
.	O
</s>
<s>
In	O
January	O
2015	O
Goodbeans	O
filed	O
for	O
bankruptcy	O
,	O
after	O
Panfu	B-Protocol
had	O
not	O
been	O
updated	O
since	O
December	O
2014	O
.	O
</s>
<s>
Instead	O
of	O
shutting	O
Panfu	B-Protocol
down	O
completely	O
,	O
the	O
creators	O
decided	O
to	O
let	O
the	O
game	O
remain	O
open	O
until	O
the	O
domain	O
expired	O
,	O
and	O
thus	O
never	O
properly	O
announced	O
that	O
they	O
were	O
closing	O
.	O
</s>
<s>
Panfu	B-Protocol
finally	O
closed	O
in	O
November	O
2016	O
.	O
</s>
<s>
According	O
to	O
the	O
creators	O
,	O
security	O
was	O
the	O
biggest	O
priority	O
in	O
Panfu	B-Protocol
.	O
</s>
<s>
In	O
July	O
2009	O
,	O
the	O
first	O
Panda	O
sheriffs	O
were	O
introduced	O
to	O
help	O
the	O
moderators	O
keep	O
Panfu	B-Protocol
safe	O
.	O
</s>
<s>
Some	O
features	O
in	O
Panfu	B-Protocol
required	O
players	O
to	O
purchase	O
a	O
membership	O
known	O
as	O
"	O
Gold	O
Panda	O
"	O
in	O
order	O
to	O
be	O
used	O
.	O
</s>
