<s>
Backblaze	B-General_Concept
,	O
Inc	O
.	O
is	O
an	O
American	O
cloud	O
storage	O
and	O
data	B-Protocol
backup	I-Protocol
company	O
based	O
in	O
San	O
Mateo	O
,	O
California	O
.	O
</s>
<s>
Founded	O
in	O
2007	O
by	O
Gleb	O
Budman	O
,	O
Billy	O
Ng	O
,	O
Nilay	O
Patel	O
,	O
Brian	O
Wilson	O
,	O
Tim	O
Nufire	O
,	O
Damon	O
Uyeda	O
,	O
and	O
Casey	O
Jones	O
,	O
its	O
two	O
main	O
products	O
are	O
their	O
B2	O
Cloud	O
Storage	O
and	O
Computer	O
Backup	B-General_Concept
services	I-General_Concept
,	O
targeted	O
at	O
both	O
business	O
and	O
personal	O
markets	O
.	O
</s>
<s>
Backblaze	B-General_Concept
was	O
established	O
in	O
2007	O
in	O
San	O
Mateo	O
,	O
California	O
.	O
</s>
<s>
In	O
2008	O
,	O
the	O
company	O
released	O
online	B-General_Concept
backup	I-General_Concept
services	I-General_Concept
to	O
support	O
PCs	O
running	O
Apple	O
's	O
macOS	O
and	O
Microsoft	O
Windows	O
.	O
</s>
<s>
In	O
October	O
2021	O
,	O
Backblaze	B-General_Concept
filed	O
to	O
go	O
public	O
on	O
the	O
Nasdaq	O
under	O
the	O
symbol	O
BLZE	O
.	O
</s>
<s>
Backblaze	B-General_Concept
and	O
Catalogic	O
,	O
a	O
data	O
protection	O
vendor	O
,	O
announced	O
their	O
partnership	O
in	O
March	O
2022	O
.	O
</s>
<s>
Backblaze	B-General_Concept
's	O
first	O
product	O
was	O
its	O
computer	O
backup	B-Protocol
,	O
offering	O
users	O
to	O
back	B-Protocol
up	I-Protocol
their	O
computer	O
data	O
continuously	O
and	O
automatically	O
with	O
a	O
monthly	O
subscription	O
service	O
.	O
</s>
<s>
The	O
service	O
makes	O
use	O
of	O
AES	B-Algorithm
encryption	I-Algorithm
for	O
security	O
,	O
and	O
uses	O
data	B-General_Concept
compression	I-General_Concept
and	O
bandwidth	O
optimization	O
to	O
reduce	O
upload	O
and	O
download	O
times	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Backblaze	B-General_Concept
launched	O
a	O
new	O
product	O
,	O
B2	O
Cloud	O
Storage	O
.	O
</s>
<s>
It	O
directly	O
competes	O
with	O
similar	O
services	O
,	O
such	O
as	O
Amazon	B-General_Concept
S3	I-General_Concept
,	O
Microsoft	B-Application
Azure	I-Application
and	O
Google	B-General_Concept
Cloud	I-General_Concept
.	O
</s>
<s>
In	O
April	O
2018	O
,	O
Backblaze	B-General_Concept
announced	O
cloud	O
computing	O
partnerships	O
that	O
directly	O
connect	O
Backblaze	B-General_Concept
's	O
data	B-Operating_System
centers	I-Operating_System
with	O
its	O
partners	O
,	O
Packet	O
and	O
ServerCentral	O
.	O
</s>
<s>
In	O
May	O
2020	O
,	O
Backblaze	B-General_Concept
released	O
an	O
Amazon	O
S3-compatible	O
API	O
,	O
allowing	O
customers	O
to	O
use	O
existing	O
tools	O
and	O
applications	O
with	O
B2	O
Cloud	O
Storage	O
without	O
rewriting	O
them	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
Backblaze	B-General_Concept
released	O
its	O
cloud	O
replication	O
services	O
,	O
which	O
allow	O
customers	O
to	O
back	B-Protocol
up	I-Protocol
and	O
store	O
data	O
in	O
a	O
location	O
that	O
is	O
geographically	O
separate	O
from	O
the	O
data	O
’s	O
primary	O
location	O
.	O
</s>
<s>
Backblaze	B-General_Concept
has	O
five	O
data	B-Operating_System
centers	I-Operating_System
;	O
four	O
in	O
the	O
United	O
States	O
and	O
one	O
Europe	O
.	O
</s>
<s>
Two	O
U.S.	O
data	B-Operating_System
centers	I-Operating_System
are	O
in	O
Northern	O
California	O
near	O
Sacramento	O
,	O
one	O
is	O
in	O
Phoenix	O
,	O
Arizona	O
,	O
and	O
in	O
December	O
2022	O
,	O
Backblaze	B-General_Concept
took	O
residence	O
in	O
the	O
CoreSite	O
data	B-Operating_System
center	I-Operating_System
in	O
Reston	O
,	O
Virginia	O
.	O
</s>
<s>
Backblaze	B-General_Concept
's	O
data	B-Operating_System
center	I-Operating_System
in	O
the	O
European	O
Union	O
is	O
located	O
in	O
Amsterdam	O
,	O
Netherlands	O
.	O
</s>
<s>
In	O
September	O
2022	O
,	O
Backblaze	B-General_Concept
contracted	O
1MW	O
of	O
capacity	O
at	O
Nautilus	O
's	O
floating	O
data	B-Operating_System
center	I-Operating_System
in	O
Stockton	O
,	O
California	O
.	O
</s>
<s>
In	O
order	O
to	O
increase	O
redundancy	B-Application
,	O
data	O
uploaded	O
onto	O
Backblaze	B-General_Concept
's	O
data	B-Operating_System
center	I-Operating_System
is	O
sharded	B-General_Concept
into	O
17	O
data	O
pieces	O
and	O
three	O
parity	O
shards	B-General_Concept
for	O
each	O
file	O
.	O
</s>
<s>
Parity	O
shard	B-General_Concept
bits	O
are	O
computed	O
by	O
the	O
Reed	B-Error_Name
–	I-Error_Name
Solomon	I-Error_Name
error	I-Error_Name
correction	I-Error_Name
algorithm	O
.	O
</s>
<s>
The	O
shards	B-General_Concept
are	O
stored	O
in	O
20	O
different	O
drives	O
,	O
each	O
in	O
a	O
separate	O
cabinet	O
to	O
increase	O
resilience	B-General_Concept
to	O
a	O
power	O
loss	O
to	O
an	O
entire	O
cabinet	O
,	O
or	O
other	O
physically	O
based	O
issue	O
.	O
</s>
<s>
Backblaze	B-General_Concept
states	O
that	O
its	O
'	O
Vault	O
 '	O
architecture	O
is	O
designed	O
with	O
99.999999999	O
%	O
annual	O
durability	O
.	O
</s>
<s>
For	O
Computer	O
Backup	B-Protocol
,	O
Backblaze	B-General_Concept
uses	O
a	O
combination	O
of	O
AES	B-Algorithm
and	O
SSL	O
encryption	O
to	O
protect	O
user	O
data	O
.	O
</s>
<s>
Data	O
is	O
stored	O
in	O
Backblaze	B-General_Concept
storage	O
using	O
Reed-Solomon	B-Error_Name
erasure	O
coding	O
and	O
encrypted	O
with	O
the	O
user	O
's	O
private	O
key	O
,	O
which	O
is	O
secured	O
with	O
the	O
user	O
's	O
password	O
and	O
username	O
.	O
</s>
<s>
Encryption	O
for	O
their	O
B2	O
storage	O
is	O
handled	O
entirely	O
by	O
the	O
user	O
and	O
client	O
software	O
to	O
manage	O
the	O
stored	O
data	O
,	O
making	O
it	O
immune	O
to	O
government	O
subpoena	O
or	O
data	O
breach	O
and	O
protecting	O
the	O
data	O
during	O
transfer	O
and	O
ultimate	O
storage	O
in	O
Backblaze	B-General_Concept
's	O
data	B-Operating_System
centers	I-Operating_System
.	O
</s>
<s>
In	O
2009	O
and	O
2011	O
,	O
the	O
company	O
released	O
CAD	O
drawings	O
of	O
the	O
computer	O
case	O
used	O
by	O
the	O
storage	O
servers	O
in	O
its	O
datacenters	B-Operating_System
.	O
</s>
