<s>
Stacks	O
,	O
formerly	O
Blockstack	B-Protocol
,	O
is	O
an	O
open-source	O
platform	O
to	O
enable	O
smart	B-Application
contracts	I-Application
,	O
DeFi	O
,	O
NFTs	O
,	O
and	O
apps	O
for	O
Bitcoin	B-Protocol
.	O
</s>
<s>
Stacks	B-Protocol
blockchain	I-Protocol
is	O
a	O
"	O
layer	O
"	O
for	O
Bitcoin	B-Protocol
similar	O
to	O
the	O
Lightning	B-Protocol
Network	I-Protocol
.	O
</s>
<s>
In	O
addition	O
to	O
smart	B-Application
contracts	I-Application
,	O
the	O
Stacks	O
project	O
provides	O
open-source	O
software	O
for	O
authentication	O
,	O
and	O
data	O
storage	O
.	O
</s>
<s>
Stacks	O
(	O
STX	O
)	O
token	O
is	O
the	O
native	O
cryptocurrency	O
of	O
the	O
Stacks	B-Protocol
blockchain	I-Protocol
,	O
which	O
is	O
used	O
as	O
gas	O
fee	O
for	O
executing	O
smart	B-Application
contracts	I-Application
and	O
processing	O
transactions	O
.	O
</s>
<s>
Stacks	O
project	O
was	O
originally	O
started	O
by	O
Muneeb	O
Ali	O
and	O
Ryan	O
Shea	O
as	O
Blockstack	B-Protocol
.	O
</s>
<s>
Blockstack	B-Protocol
PBC	O
,	O
a	O
company	O
working	O
on	O
the	O
Stacks	O
technology	O
,	O
raised	O
around	O
$75	O
million	O
through	O
a	O
mix	O
of	O
venture	O
capital	O
and	O
token	O
sales	O
.	O
</s>
<s>
The	O
main	O
Stacks	B-Protocol
blockchain	I-Protocol
launched	O
in	O
Jan	O
2021	O
.	O
</s>
<s>
The	O
Blockchain	O
Naming	O
System	O
is	O
an	O
application	O
used	O
to	O
register	O
human-readable	O
,	O
globally	O
unique	O
names	O
with	O
accounts	O
on	O
the	O
Stacks	B-Protocol
blockchain	I-Protocol
.	O
</s>
<s>
Examples	O
are	O
muneeb.id,	O
muneeb.btc	O
and	O
muneeb.id.blockstack	O
.	O
</s>
