<s>
Skiff	B-Application
is	O
an	O
end-to-end	O
encrypted	O
email	O
service	O
and	O
collaboration	B-Protocol
tool	I-Protocol
.	O
</s>
<s>
Skiff	B-Application
was	O
founded	O
by	O
Andrew	O
Milich	O
and	O
Jason	O
Ginsberg	O
in	O
2020	O
and	O
was	O
initially	O
focused	O
on	O
providing	O
a	O
secure	O
document	O
editing	O
service	O
similar	O
to	O
Google	O
Docs	O
.	O
</s>
<s>
While	O
Skiff	B-Application
was	O
in	O
beta	O
,	O
the	O
founders	O
released	O
a	O
public	O
whitepaper	O
explaining	O
how	O
Skiff	B-Application
’s	O
encryption	O
works	O
.	O
</s>
<s>
Skiff	B-Application
had	O
its	O
public	O
launch	O
out	O
of	O
beta	O
in	O
November	O
2021	O
.	O
</s>
<s>
A	O
difference	O
from	O
other	O
services	O
was	O
that	O
it	O
stored	O
its	O
files	O
using	O
the	O
InterPlanetary	B-Protocol
File	I-Protocol
System	I-Protocol
(	O
IPFS	B-Protocol
)	O
.	O
</s>
<s>
Skiff	B-Application
Mail	O
and	O
Skiff	B-Application
Drive	O
were	O
launched	O
in	O
2022	O
.	O
</s>
<s>
Most	O
of	O
Skiff	B-Application
’s	O
code	B-Application
is	O
open	B-License
source	I-License
.	O
</s>
<s>
Skiff	B-Application
uses	O
public-key	O
authenticated	O
encryption	O
for	O
secure	O
and	O
private	O
access	O
to	O
end-to-end	O
encrypted	O
documents	O
,	O
files	O
and	O
emails	O
.	O
</s>
<s>
Skiff	B-Application
also	O
allows	O
users	O
to	O
send	O
payments	O
through	O
MetaMask	O
.	O
</s>
