<s>
Blockchain-as-a-Service	B-Application
(	O
BaaS	O
)	O
allows	O
businesses	O
to	O
use	O
cloud-based	B-Architecture
solutions	O
to	O
build	O
,	O
host	O
and	O
use	O
their	O
own	O
blockchain	B-Application
apps	O
,	O
smart	B-Application
contracts	I-Application
and	O
functions	O
on	O
the	O
blockchain	B-Application
infrastructure	O
developed	O
by	O
a	O
vendor	O
.	O
</s>
<s>
Just	O
like	O
the	O
growing	O
trend	O
of	O
using	O
Software-as-a-service	B-Architecture
(	O
SaaS	B-Architecture
)	O
where	O
access	O
to	O
the	O
software	O
is	O
provided	O
on	O
a	O
subscription	O
basis	O
,	O
BaaS	O
provides	O
a	O
business	O
with	O
access	O
to	O
a	O
blockchain	B-Application
network	O
of	O
its	O
desired	O
configuration	O
without	O
the	O
business	O
having	O
to	O
develop	O
their	O
own	O
Blockchain	B-Application
and	O
build	O
in-house	O
expertise	O
on	O
the	O
subject	O
.	O
</s>
<s>
Many	O
major	O
cloud	B-Architecture
services	I-Architecture
providers	I-Architecture
now	O
provide	O
Blockchain-as-a-Service	B-Application
,	O
including	O
IBM	O
,	O
SalesForce	B-Application
,	O
Microsoft	O
,	O
Amazon	B-Application
,	O
Alibaba	O
,	O
Oracle	B-Application
and	O
Baidu	B-Application
to	O
name	O
a	O
few	O
.	O
</s>
