<s>
In	O
computing	O
,	O
ROM	B-Application
Mark	I-Application
or	O
BD-ROM	B-Application
Mark	I-Application
is	O
a	O
serialization	O
technology	O
designed	O
to	O
guard	O
against	O
mass	O
production	O
piracy	O
or	O
the	O
mass	O
duplication	O
and	O
sale	O
of	O
unauthorized	O
copies	O
of	O
pre-recorded	O
Blu-ray	O
Discs	O
.	O
</s>
<s>
Only	O
licensed	O
BD-ROM	O
manufacturers	O
have	O
access	O
to	O
the	O
equipment	O
that	O
can	O
make	O
these	O
unique	O
ROM	B-Application
Marks	I-Application
,	O
thus	O
allowing	O
authentic	O
BD-ROM	O
media	O
like	O
movies	O
and	O
music	O
to	O
be	O
identified	O
.	O
</s>
<s>
The	O
ROM	B-Application
Mark	I-Application
contains	O
the	O
Volume	O
ID	O
required	O
to	O
decrypt	O
content	O
encrypted	O
using	O
AACS	O
.	O
</s>
