<s>
In	O
a	O
very	O
generic	O
sense	O
,	O
the	O
term	O
transactions	B-General_Concept
per	I-General_Concept
second	I-General_Concept
(	O
TPS	O
)	O
refers	O
to	O
the	O
number	O
of	O
atomic	B-General_Concept
actions	I-General_Concept
performed	O
by	O
certain	O
entity	O
per	O
second	O
.	O
</s>
<s>
In	O
a	O
more	O
restricted	O
view	O
,	O
the	O
term	O
is	O
usually	O
used	O
by	O
DBMS	B-General_Concept
vendor	O
and	O
user	O
community	O
to	O
refer	O
to	O
the	O
number	O
of	O
database	B-General_Concept
transactions	I-General_Concept
performed	O
per	O
second	O
.	O
</s>
<s>
Recently	O
,	O
the	O
term	O
has	O
been	O
used	O
to	O
describe	O
the	O
transaction	O
rate	O
of	O
a	O
cryptocurrency	O
,	O
such	O
as	O
the	O
distributed	O
network	O
running	O
the	O
Bitcoin	B-Protocol
blockchain	B-Application
.	O
</s>
<s>
The	O
development	O
of	O
transaction	O
rates	O
capable	B-Protocol
of	I-Protocol
scaling	I-Protocol
to	O
real-world	O
volumes	O
is	O
an	O
important	O
area	O
of	O
research	O
for	O
cryptocurrency	O
technology	O
.	O
</s>
