<s>
Spotnet	B-Protocol
is	O
a	O
protocol	O
on	O
top	O
of	O
Usenet	B-Application
,	O
providing	O
a	O
decentralized	O
alternative	O
to	O
usenet	B-Application
indexing	O
websites	O
,	O
and	O
the	O
NZB	B-Application
format	O
in	O
general	O
.	O
</s>
<s>
Spotnet	B-Protocol
allows	O
users	O
to	O
create	O
and	O
browse	O
private	O
'	O
newsservers	O
 '	O
,	O
or	O
decentralized	O
repositories	O
of	O
files	O
and	O
information	O
.	O
</s>
<s>
Spotnet	B-Protocol
experienced	O
tremendous	O
growth	O
since	O
the	O
closure	O
of	O
in	O
2011	O
.	O
</s>
<s>
While	O
the	O
uses	O
of	O
Spotnet	B-Protocol
and	O
Usenet	B-Application
are	O
varied	O
,	O
one	O
of	O
the	O
most	O
common	O
is	O
the	O
creation	O
of	O
home	O
media	O
servers	O
.	O
</s>
<s>
Spotnet	B-Protocol
articles	O
are	O
placed	O
in	O
a	O
textgroup	O
,	O
which	O
can	O
be	O
headered	O
using	O
any	O
Usenet	B-Protocol
client	I-Protocol
,	O
but	O
in	O
order	O
to	O
get	O
the	O
full	O
experience	O
you	O
need	O
a	O
client	O
that	O
is	O
compatible	O
with	O
the	O
protocol	O
,	O
for	O
example	O
:	O
</s>
<s>
Spotnet	B-Protocol
is	O
a	O
XML-based	O
format	O
,	O
placed	O
in	O
the	O
header	O
of	O
usenet	B-Application
articles	O
.	O
</s>
<s>
This	O
RSA	B-Architecture
signed	O
XML	B-Protocol
contains	O
metadata	O
about	O
a	O
post	O
(	O
a	O
group	O
articles	O
)	O
usually	O
found	O
in	O
a	O
.NFO	B-Protocol
file	O
,	O
like	O
a	O
description/genre/format	O
,	O
but	O
also	O
references	O
to	O
an	O
accompanying	O
image	O
and	O
zipped	O
NZB	B-Application
file	O
elsewhere	O
on	O
usenet	B-Application
.	O
</s>
<s>
The	O
Message-ID	O
of	O
such	O
an	O
article	O
can	O
serve	O
as	O
a	O
link	O
to	O
the	O
full	O
post	O
(	O
similar	O
to	O
Magnet	B-Protocol
URI	I-Protocol
)	O
,	O
because	O
it	O
indirectly	O
references	O
all	O
required	O
articles	O
.	O
</s>
<s>
These	O
links	O
can	O
be	O
spread	O
on	O
media	O
like	O
Twitter	B-Application
,	O
without	O
the	O
need	O
for	O
a	O
central	O
server	O
hosting	O
them	O
.	O
</s>
<s>
Spotnet	B-Protocol
uses	O
four	O
usenet	B-Application
groups	I-Application
:	O
</s>
