<s>
Mozilla	B-Application
Persona	I-Application
was	O
a	O
decentralized	O
authentication	O
system	O
for	O
the	O
web	O
,	O
based	O
on	O
the	O
open	O
BrowserID	B-Application
protocol	O
prototyped	O
by	O
Mozilla	B-Operating_System
and	O
standardized	O
by	O
IETF	O
.	O
</s>
<s>
It	O
was	O
launched	O
in	O
July	O
2011	O
,	O
but	O
after	O
failing	O
to	O
achieve	O
traction	O
,	O
Mozilla	B-Operating_System
announced	O
in	O
January	O
2016	O
plans	O
to	O
decommission	O
the	O
service	O
by	O
the	O
end	O
of	O
the	O
year	O
.	O
</s>
<s>
Persona	B-Application
was	O
launched	O
in	O
July	O
2011	O
and	O
shared	O
some	O
of	O
its	O
goals	O
with	O
some	O
similar	O
authentication	O
systems	O
like	O
OpenID	O
or	O
Facebook	O
Connect	O
,	O
but	O
it	O
was	O
different	O
in	O
several	O
ways	O
:	O
</s>
<s>
It	O
was	O
intended	O
to	O
be	O
fully	O
integrated	O
in	O
the	O
browser	O
(	O
relying	O
heavily	O
on	O
Javascript	B-Language
)	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
July	O
2011	O
and	O
fully	O
deployed	O
by	O
Mozilla	B-Operating_System
on	O
its	O
own	O
websites	O
in	O
January	O
2012	O
.	O
</s>
<s>
In	O
March	O
2014	O
,	O
Mozilla	B-Operating_System
indicated	O
it	O
was	O
dropping	O
full-time	O
developers	O
from	O
Persona	B-Application
and	O
moving	O
the	O
project	O
to	O
community	O
ownership	O
.	O
</s>
<s>
Mozilla	B-Operating_System
indicated	O
,	O
however	O
,	O
that	O
it	O
had	O
no	O
plans	O
to	O
decommission	O
Persona	B-Application
and	O
would	O
maintain	O
some	O
level	O
of	O
involvement	O
such	O
as	O
in	O
maintenance	O
and	O
reviewing	O
pull	O
requests	O
.	O
</s>
<s>
Persona	B-Application
services	O
are	O
shut	O
down	O
since	O
November	O
30	O
,	O
2016	O
.	O
</s>
<s>
Persona	B-Application
was	O
inspired	O
by	O
the	O
VerifiedEmailProtocol	O
which	O
is	O
now	O
known	O
as	O
the	O
BrowserID	B-Application
protocol	O
.	O
</s>
<s>
The	O
decentralization	O
aspects	O
of	O
the	O
protocol	O
reside	O
in	O
the	O
theoretical	O
support	O
of	O
any	O
identity	O
provider	O
service	O
,	O
while	O
in	O
practice	O
it	O
seems	O
to	O
rely	O
mainly	O
on	O
Mozilla	B-Operating_System
's	O
servers	O
currently	O
(	O
which	O
may	O
in	O
turn	O
delegate	O
email	O
address	O
verification	O
,	O
see	O
identity	O
bridging	O
below	O
)	O
.	O
</s>
<s>
Mozilla	B-Operating_System
announced	O
"	O
identity	O
bridging	O
"	O
support	O
for	O
Persona	B-Application
in	O
July	O
,	O
2013	O
.	O
</s>
<s>
As	O
they	O
describe	O
on	O
their	O
blog	O
:	O
"	O
Traditionally	O
...	O
Mozilla	B-Operating_System
would	O
send	O
you	O
an	O
email	O
and	O
ask	O
you	O
to	O
click	O
on	O
the	O
confirmation	O
link	O
it	O
contained	O
.	O
</s>
<s>
With	O
Identity	O
Bridging	O
,	O
Persona	B-Application
learned	O
a	O
new	O
trick	O
;	O
instead	O
of	O
sending	O
confirmation	O
emails	O
,	O
Persona	B-Application
can	O
ask	O
you	O
to	O
verify	O
your	O
identity	O
via	O
your	O
email	O
provider	O
’s	O
existing	O
OpenID	O
or	O
OAuth	O
gateway.	O
"	O
</s>
<s>
In	O
August	O
2013	O
,	O
Mozilla	B-Operating_System
announced	O
support	O
for	O
Identity	O
Bridging	O
with	O
all	O
Gmail	O
accounts	O
.	O
</s>
<s>
They	O
wrote	O
in	O
this	O
additional	O
announcement	O
that	O
"	O
combined	O
with	O
our	O
Identity	O
Bridge	O
for	O
Yahoo	O
,	O
Persona	B-Application
now	O
natively	O
supports	O
more	O
than	O
700,000,000	O
active	O
email	O
users	O
.	O
</s>
<s>
Persona	B-Application
relies	O
heavily	O
on	O
the	O
JavaScript	B-Language
client-side	O
program	O
running	O
in	O
the	O
user	O
's	O
browser	O
,	O
making	O
it	O
widely	O
usable	O
.	O
</s>
<s>
Support	O
of	O
authentication	O
to	O
Web	O
applications	O
via	O
Persona	B-Application
can	O
be	O
implemented	O
by	O
CMSs	B-Protocol
such	O
as	O
Drupal	B-Application
,	O
Serendipity	B-Protocol
,	O
WordPress	B-Application
,	O
Tiki	B-Protocol
or	O
SPIP	B-Application
.	O
</s>
<s>
There	O
is	O
also	O
support	O
for	O
Persona	B-Application
in	O
the	O
Phonegap	B-Protocol
platform	O
(	O
used	O
for	O
compiling	O
HTML5	O
apps	O
into	O
mobile	O
apps	O
)	O
.	O
</s>
<s>
Mozilla	B-Operating_System
provides	O
its	O
own	O
Persona	B-Application
server	O
at	O
persona.org	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
set	O
up	O
your	O
own	O
Persona	B-Application
identity	O
provider	O
,	O
providing	O
federated	O
identity	O
.	O
</s>
<s>
Notable	O
sites	O
implementing	O
Persona	B-Application
include	O
Ting	O
,	O
The	O
Times	O
Crossword	O
,	O
and	O
.	O
</s>
