<s>
Estcoin	B-Protocol
was	O
a	O
2017	O
proposal	O
for	O
a	O
national	O
cryptocurrency	O
tied	O
to	O
Estonia	O
's	O
e-residency	O
program	O
.	O
</s>
<s>
In	O
2018	O
,	O
the	O
Estonian	O
government	O
clarified	O
it	O
was	O
not	O
planning	O
to	O
launch	O
a	O
national	O
cryptocurrency	O
and	O
that	O
it	O
never	O
planned	O
to	O
do	O
so	O
,	O
but	O
would	O
plan	O
to	O
"	O
explore	O
various	O
possibilities	O
"	O
for	O
blockchain	B-Application
technology	I-Application
.	O
</s>
