<s>
Coincheck	B-Protocol
is	O
a	O
Japanese	O
bitcoin	B-Protocol
wallet	O
and	O
exchange	O
service	O
headquartered	O
in	O
Tokyo	O
,	O
Japan	O
,	O
founded	O
by	O
Koichiro	O
Wada	O
and	O
Yusuke	O
Otsuka	O
.	O
</s>
<s>
It	O
operates	O
exchanges	O
between	O
bitcoin	B-Protocol
,	O
ether	B-Application
and	O
fiat	O
currencies	O
in	O
Japan	O
,	O
and	O
bitcoin	B-Protocol
transactions	O
and	O
storage	O
in	O
some	O
countries	O
.	O
</s>
<s>
In	O
April	O
2018	O
,	O
Coincheck	B-Protocol
was	O
acquired	O
by	O
Monex	O
Group	O
for	O
3.6	O
billion	O
yen	O
.	O
</s>
<s>
Coincheck	B-Protocol
since	O
2016	O
has	O
been	O
the	O
trademark	O
name	O
of	O
a	O
numismatic	O
supply	O
company	O
located	O
and	O
trademark	O
registered	O
in	O
the	O
United	O
States	O
since	O
2016	O
.	O
</s>
<s>
Coincheck	B-Protocol
started	O
in	O
August	O
2014	O
and	O
is	O
operated	O
by	O
Coincheck	B-Protocol
,	O
inc	O
.	O
(	O
previously	O
ResuPress	O
,	O
inc	O
)	O
(	O
founded	O
in	O
2012	O
)	O
.	O
</s>
<s>
There	O
were	O
then	O
more	O
than	O
2,200	O
merchants	O
using	O
their	O
bitcoin	B-Protocol
payment	O
solution	O
,	O
just	O
in	O
Japan	O
.	O
</s>
<s>
Coincheck	B-Protocol
is	O
a	O
member	O
of	O
JBA	O
(	O
Japan	O
Blockchain	O
Association	O
)	O
and	O
is	O
actively	O
helping	O
to	O
build	O
the	O
Japanese	O
bitcoin	B-Protocol
community	O
's	O
usage	O
standards	O
with	O
the	O
government	O
.	O
</s>
<s>
Coincheck	B-Protocol
partnered	O
with	O
SEKAI	O
to	O
support	O
Chinese	O
,	O
Hong	O
Kong	O
,	O
and	O
Taiwan	O
investors	O
to	O
buy	O
Japanese	O
real	O
estate	O
with	O
bitcoin	B-Protocol
.	O
</s>
<s>
In	O
January	O
2018	O
,	O
Coincheck	B-Protocol
was	O
hacked	O
and	O
approximately	O
500	O
million	O
NEM	O
tokens	O
( $530	O
million	O
)	O
were	O
stolen	O
.	O
</s>
<s>
The	O
Financial	O
Services	O
Agency	O
took	O
administrative	O
action	O
by	O
ordering	O
Coincheck	B-Protocol
to	O
improve	O
its	O
security	O
practices	O
,	O
but	O
did	O
not	O
order	O
the	O
exchange	O
to	O
shut	O
down	O
out	O
of	O
a	O
concern	O
for	O
the	O
protection	O
of	O
its	O
users	O
.	O
</s>
<s>
Coincheck	B-Protocol
initially	O
announced	O
that	O
it	O
may	O
not	O
be	O
able	O
to	O
compensate	O
all	O
users	O
affected	O
by	O
the	O
hack	O
,	O
but	O
then	O
announced	O
that	O
it	O
would	O
repay	O
all	O
260,000	O
users	O
affected	O
in	O
Japanese	O
yen	O
using	O
its	O
own	O
capital	O
.	O
</s>
<s>
After	O
the	O
hack	O
,	O
Coincheck	B-Protocol
suspended	O
trading	O
temporarily	O
and	O
reimbursed	O
its	O
customers	O
for	O
their	O
losses	O
.	O
</s>
