<s>
OpenBazaar	B-Language
is	O
an	O
open	O
source	O
project	O
developing	O
a	O
protocol	O
for	O
e-commerce	O
transactions	O
in	O
a	O
fully	O
decentralized	O
marketplace	O
.	O
</s>
<s>
Amir	O
Taaki	O
and	O
a	O
group	O
of	O
programmers	O
from	O
Bitcoin	B-Protocol
startup	O
Airbitz	O
created	O
a	O
decentralized	O
marketplace	O
prototype	O
,	O
called	O
"	O
DarkMarket	O
"	O
,	O
in	O
April	O
2014	O
at	O
a	O
Bitcoin	B-Protocol
Hackathon	O
in	O
Toronto	O
.	O
</s>
<s>
Taaki	O
compared	O
DarkMarket	O
's	O
improvements	O
on	O
Silk	O
Road	O
to	O
BitTorrent	B-Protocol
's	O
improvements	O
on	O
Napster	B-Application
.	O
</s>
<s>
After	O
the	O
hackathon	O
,	O
the	O
original	O
creators	O
abandoned	O
the	O
prototype	O
and	O
it	O
was	O
later	O
adopted	O
and	O
rebranded	O
to	O
OpenBazaar	B-Language
by	O
a	O
new	O
team	O
of	O
developers	O
.	O
</s>
<s>
On	O
April	O
4	O
,	O
2016	O
,	O
OpenBazaar	B-Language
released	O
their	O
first	O
version	O
,	O
which	O
allowed	O
users	O
to	O
buy	O
and	O
sell	O
goods	O
for	O
Bitcoin	B-Protocol
.	O
</s>
<s>
OB1	O
,	O
a	O
for-profit	O
company	O
which	O
had	O
maintained	O
the	O
OpenBazaar	B-Language
repository	O
,	O
a	O
mobile	O
app	O
called	O
Haven	O
,	O
a	O
search	O
engine	O
for	O
stores	O
and	O
several	O
related	O
websites	O
,	O
announced	O
the	O
closure	O
of	O
their	O
servers	O
on	O
January	O
15	O
,	O
2021	O
.	O
</s>
<s>
The	O
websites	O
openbazaar.com	O
and	O
openbazaar.org	O
were	O
closed	O
down	O
.	O
</s>
<s>
While	O
the	O
desktop	O
client	O
and	O
server	O
daemon	O
retained	O
the	O
OpenBazaar	B-Language
name	O
,	O
the	O
mobile	O
app	O
,	O
for	O
trademark	O
reasons	O
,	O
was	O
renamed	O
Mobazha	O
.	O
</s>
