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System O
Restore O
– O
a O
recovery O
utility O
that O
enables O
the O
operating B-General_Concept
system I-General_Concept
to O
revert O
system O
files O
back O
to O
a O
prior O
date O
and O
time O
. O
</s>
<s>
In O
electronics O
, O
a O
wire B-Protocol
protocol I-Protocol
is O
the O
mechanism O
used O
to O
transmit O
data O
from O
one O
point O
to O
another O
. O
</s>
<s>
Gridcoin B-Operating_System
, O
initially O
using O
the O
energy O
intensive O
proof O
of O
work O
- O
as O
used O
by O
Bitcoin B-Protocol
, O
before O
migrating O
to O
a O
proof B-Protocol
of I-Protocol
stake I-Protocol
protocol O
in O
2014 O
, O
similar O
to O
Peercoin B-Protocol
, O
in O
an O
attempt O
to O
address O
the O
environmental O
impact O
of O
cryptocurrency O
mining O
. O
</s>
<s>
The O
complete O
list O
of O
all O
UFB B-Protocol
locations O
is O
available O