<s>
Cryptocurrency	B-Architecture
and	I-Architecture
crime	I-Architecture
describes	O
notable	O
examples	O
of	O
cybercrime	O
related	O
to	O
theft	O
(	O
or	O
the	O
otherwise	O
illegal	O
acquisition	O
)	O
of	O
cryptocurrencies	O
and	O
some	O
of	O
the	O
methods	O
or	O
security	O
vulnerabilities	O
commonly	O
exploited	O
.	O
</s>
<s>
There	O
are	O
various	O
types	O
of	O
cryptocurrency	B-Protocol
wallets	I-Protocol
available	O
,	O
with	O
different	O
layers	O
of	O
security	O
,	O
including	O
devices	O
,	O
software	O
for	O
different	O
operating	O
systems	O
or	O
browsers	O
,	O
and	O
offline	O
wallets	B-Protocol
.	O
</s>
<s>
One	O
of	O
the	O
more	O
well	O
known	O
issues	O
that	O
opens	O
the	O
possibility	O
for	O
exploits	O
on	O
Bitcoin	B-Protocol
is	O
the	O
transaction	O
malleability	O
problem	O
.	O
</s>
<s>
In	O
2015	O
,	O
cryptocurrencies	O
worth	O
were	O
stolen	O
from	O
Bitstamp	B-Protocol
.	O
</s>
<s>
Between	O
2011	O
and	O
2014	O
,	O
worth	O
of	O
bitcoin	B-Protocol
were	O
stolen	O
from	O
Mt	O
.	O
</s>
<s>
In	O
2016	O
,	O
were	O
stolen	O
through	O
exploiting	O
Bitfinex	B-Protocol
's	O
exchange	O
wallet	O
,	O
users	O
were	O
refunded	O
.	O
</s>
<s>
On	O
December	O
7	O
,	O
2017	O
,	O
Slovenian	O
cryptocurrency	O
exchange	O
NiceHash	B-Application
reported	O
that	O
hackers	O
had	O
stolen	O
over	O
$70M	O
using	O
a	O
hijacked	O
company	O
computer	O
.	O
</s>
<s>
In	O
2018	O
,	O
cryptocurrencies	O
worth	O
were	O
stolen	O
from	O
Coincheck	B-Protocol
.	O
</s>
<s>
In	O
May	O
2018	O
,	O
Bitcoin	B-Protocol
Gold	I-Protocol
had	O
its	O
transactions	O
hijacked	O
and	O
abused	O
by	O
unknown	O
hackers	O
.	O
</s>
<s>
Exchanges	O
lost	O
an	O
estimated	O
$18m	O
and	O
Bitcoin	B-Protocol
Gold	I-Protocol
was	O
delisted	O
from	O
Bittrex	O
after	O
it	O
refused	O
to	O
pay	O
its	O
share	O
of	O
the	O
damages	O
.	O
</s>
<s>
In	O
June	O
2018	O
,	O
South	O
Korean	O
exchange	O
Coinrail	O
was	O
hacked	B-General_Concept
,	O
losing	O
over	O
$37M	O
worth	O
of	O
cryptos	O
.	O
</s>
<s>
On	O
December	O
2	O
,	O
2021	O
,	O
users	O
of	O
the	O
BadgerDAO	O
DeFi	O
lost	O
around	O
$	O
118,500,000	O
worth	O
of	O
bitcoin	B-Protocol
and	O
$	O
679,000	O
worth	O
of	O
ethereum	O
tokens	O
in	O
a	O
front-end	O
attack	O
.	O
</s>
<s>
BadgerDAO	O
"	O
paused	O
"	O
all	O
smart	B-Application
contracts	I-Application
due	O
to	O
user	O
complaints	O
.	O
</s>
<s>
On	O
December	O
6	O
,	O
2021	O
,	O
the	O
cryptocurrency	O
exchange	O
BitMart	O
lost	O
around	O
$135M	O
worth	O
of	O
Ethereum	O
and	O
an	O
estimate	O
of	O
around	O
$46	O
million	O
in	O
other	O
cryptocurrencies	O
due	O
to	O
a	O
breach	O
of	O
two	O
of	O
its	O
wallets	B-Protocol
.	O
</s>
<s>
On	O
December	O
12	O
,	O
2021	O
,	O
users	O
of	O
VulcanForge	O
lost	O
around	O
$135M	O
worth	O
of	O
PYR	O
due	O
to	O
breaches	O
of	O
multiple	O
wallets	B-Protocol
.	O
</s>
<s>
On	O
January	O
27	O
,	O
2022	O
,	O
Qubit	O
Finance	O
(	O
DeFi	O
)	O
lost	O
around	O
$80M	O
worth	O
of	O
Binance	O
Coin	O
due	O
to	O
a	O
flaw	O
in	O
the	O
smart	B-Application
contract	I-Application
that	O
enabled	O
withdrawal	O
of	O
the	O
said	O
amount	O
in	O
exchange	O
for	O
a	O
deposit	O
of	O
0	O
ETH	O
.	O
</s>
<s>
In	O
March	O
2022	O
,	O
the	O
largest	O
cryptocurrency	O
theft	O
of	O
the	O
year	O
,	O
in	O
ether	O
and	O
USD	O
coin	O
was	O
stolen	O
from	O
the	O
Ronin	B-Protocol
Network	I-Protocol
.	O
</s>
<s>
Hacked	B-General_Concept
nodes	O
were	O
finally	O
discovered	O
when	O
a	O
user	O
reported	O
being	O
unable	O
to	O
withdraw	O
funds	O
.	O
</s>
<s>
On	O
September	O
20	O
,	O
2022	O
,	O
Wintermute	O
was	O
hacked	B-General_Concept
resulting	O
in	O
theft	O
of	O
.	O
</s>
<s>
There	O
have	O
been	O
many	O
cases	O
of	O
bitcoin	B-Protocol
theft	O
.	O
</s>
<s>
,	O
around	O
980,000	O
bitcoins	B-Protocol
—	O
over	O
five	O
percent	O
of	O
all	O
bitcoin	B-Protocol
in	O
circulation	O
—	O
had	O
been	O
lost	O
on	O
cryptocurrency	O
exchanges	O
.	O
</s>
<s>
One	O
type	O
of	O
theft	O
involves	O
a	O
third	O
party	O
accessing	O
the	O
private	O
key	O
to	O
a	O
victim	O
's	O
bitcoin	B-Protocol
address	O
,	O
or	O
of	O
an	O
online	O
wallet	O
.	O
</s>
<s>
If	O
the	O
private	O
key	O
is	O
stolen	O
,	O
all	O
the	O
bitcoins	B-Protocol
from	O
the	O
compromised	O
address	O
can	O
be	O
transferred	O
.	O
</s>
<s>
In	O
that	O
case	O
,	O
the	O
network	O
does	O
not	O
have	O
any	O
provisions	O
to	O
identify	O
the	O
thief	O
,	O
block	O
further	O
transactions	O
of	O
those	O
stolen	O
bitcoins	B-Protocol
,	O
or	O
return	O
them	O
to	O
the	O
legitimate	O
owner	O
.	O
</s>
<s>
Theft	O
also	O
occurs	O
at	O
sites	O
where	O
bitcoins	B-Protocol
are	O
used	O
to	O
purchase	O
illicit	O
goods	O
.	O
</s>
<s>
In	O
late	O
November	O
2013	O
,	O
an	O
estimated	O
in	O
bitcoins	B-Protocol
were	O
allegedly	O
stolen	O
from	O
the	O
online	O
illicit	O
goods	O
marketplace	O
Sheep	O
Marketplace	O
,	O
which	O
immediately	O
closed	O
.	O
</s>
<s>
A	O
different	O
black	O
market	O
,	O
Silk	O
Road	O
2	O
,	O
stated	O
that	O
during	O
a	O
February	O
2014	O
hack	O
,	O
bitcoins	B-Protocol
valued	O
at	O
$2.7	O
million	O
were	O
taken	O
from	O
escrow	O
accounts	O
.	O
</s>
<s>
Sites	O
where	O
users	O
exchange	O
bitcoins	B-Protocol
for	O
cash	O
or	O
store	O
them	O
in	O
"	O
wallets	B-Protocol
"	O
are	O
also	O
targets	O
for	O
theft	O
.	O
</s>
<s>
Inputs.io,	O
an	O
Australian	O
wallet	O
service	O
,	O
was	O
hacked	B-General_Concept
twice	O
in	O
October	O
2013	O
and	O
lost	O
more	O
than	O
$1	O
million	O
in	O
bitcoins	B-Protocol
.	O
</s>
<s>
GBL	O
,	O
a	O
Chinese	O
bitcoin	B-Protocol
trading	O
platform	O
,	O
suddenly	O
shut	O
down	O
on	O
26	O
October	O
2013	O
;	O
subscribers	O
,	O
unable	O
to	O
log	O
in	O
,	O
lost	O
up	O
to	O
$5	O
million	O
worth	O
of	O
bitcoin	B-Protocol
.	O
</s>
<s>
Gox	O
,	O
one	O
of	O
the	O
largest	O
virtual	O
currency	O
exchanges	O
,	O
filed	O
for	O
bankruptcy	O
in	O
Tokyo	O
amid	O
reports	O
that	O
bitcoins	B-Protocol
worth	O
had	O
been	O
stolen	O
.	O
</s>
<s>
Flexcoin	O
,	O
a	O
bitcoin	B-Protocol
storage	O
specialist	O
based	O
in	O
Alberta	O
,	O
Canada	O
,	O
shut	O
down	O
in	O
March	O
2014	O
after	O
saying	O
it	O
discovered	O
a	O
theft	O
of	O
about	O
$	O
650,000	O
in	O
bitcoins	B-Protocol
.	O
</s>
<s>
Poloniex	O
,	O
a	O
digital	O
currency	O
exchange	O
,	O
reported	O
in	O
March	O
2014	O
that	O
it	O
lost	O
bitcoins	B-Protocol
valued	O
at	O
around	O
$	O
50,000	O
.	O
</s>
<s>
In	O
January	O
2015	O
UK-based	O
bitstamp	B-Protocol
,	O
the	O
third	O
busiest	O
bitcoin	B-Protocol
exchange	O
globally	O
was	O
hacked	B-General_Concept
and	O
in	O
bitcoins	B-Protocol
were	O
stolen	O
.	O
</s>
<s>
February	O
2015	O
saw	O
a	O
Chinese	O
exchange	O
named	O
BTER	O
lose	O
bitcoins	B-Protocol
worth	O
nearly	O
$2	O
million	O
to	O
hackers	O
.	O
</s>
<s>
A	O
major	O
bitcoin	B-Protocol
exchange	O
,	O
Bitfinex	B-Protocol
,	O
was	O
hacked	B-General_Concept
and	O
nearly	O
120,000	O
bitcoins	B-Protocol
(	O
around	O
)	O
was	O
stolen	O
in	O
2016	O
.	O
</s>
<s>
Bitfinex	B-Protocol
was	O
forced	O
to	O
suspend	O
its	O
trading	O
.	O
</s>
<s>
The	O
theft	O
was	O
the	O
second-largest	O
bitcoin	B-Protocol
heist	O
ever	O
,	O
dwarfed	O
only	O
by	O
the	O
Mt	O
.	O
</s>
<s>
According	O
to	O
Forbes	O
,	O
"	O
All	O
of	O
Bitfinex	B-Protocol
's	O
customers	O
,...	O
will	O
stand	O
to	O
lose	O
money	O
.	O
</s>
<s>
In	O
2022	O
,	O
the	O
US	O
government	O
recovered	O
94,636	O
bitcoin	B-Protocol
(	O
worth	O
approximately	O
$3.6	O
billion	O
at	O
the	O
time	O
of	O
recovery	O
)	O
from	O
the	O
2016	O
thefts	O
of	O
the	O
Bitfinex	B-Protocol
exchange	O
.	O
</s>
<s>
By	O
February	O
2022	O
,	O
the	O
amount	O
of	O
bitcoin	B-Protocol
stolen	O
was	O
worth	O
$4.5	O
billion	O
.	O
</s>
<s>
On	O
May	O
7	O
,	O
2019	O
,	O
hackers	O
stole	O
over	O
7000	O
Bitcoins	B-Protocol
from	O
the	O
Binance	O
Cryptocurrency	O
Exchange	O
,	O
at	O
a	O
value	O
of	O
over	O
40	O
million	O
US	O
dollars	O
.	O
</s>
<s>
Binance	O
CEO	B-Application
Zhao	O
Changpeng	O
stated	O
:	O
"	O
The	O
hackers	O
used	O
a	O
variety	O
of	O
techniques	O
,	O
including	O
phishing	O
,	O
viruses	O
,	O
and	O
other	O
attacks	O
...	O
</s>
<s>
In	O
June	O
2016	O
,	O
hackers	O
exploited	O
a	O
vulnerability	O
in	O
The	B-Protocol
DAO	I-Protocol
to	O
steal	O
.	O
</s>
<s>
Subsequently	O
,	O
the	O
currency	O
was	O
forked	O
into	O
Ethereum	B-Protocol
Classic	I-Protocol
,	O
and	O
Ethereum	O
,	O
with	O
the	O
latter	O
continuing	O
with	O
the	O
new	O
blockchain	O
without	O
the	O
exploited	O
translations	O
.	O
</s>
<s>
On	O
November	O
21	O
,	O
2017	O
,	O
Tether	B-Application
announced	O
that	O
it	O
had	O
been	O
hacked	B-General_Concept
,	O
losing	O
$31	O
million	O
in	O
USDT	O
from	O
its	O
core	O
treasury	O
wallet	O
.	O
</s>
<s>
Most	O
exit	O
scams	O
(	O
or	O
rugpulls	O
)	O
as	O
well	O
as	O
many	O
ponzi	O
schemes	O
involving	O
cryptocurrencies	O
are	O
performed	O
through	O
Initial	B-Application
Coin	I-Application
Offerings	I-Application
(	O
ICOs	O
)	O
.	O
</s>
<s>
As	O
an	O
example	O
,	O
according	O
to	O
a	O
report	O
by	O
Satis	O
Group	O
almost	O
80%	O
of	O
all	O
projects	O
launched	O
through	O
an	O
ICO	B-Application
in	O
2017	O
were	O
scams	O
.	O
</s>
<s>
Since	O
2017	O
the	O
SEC	O
has	O
been	O
actively	O
pursuing	O
groups	O
and	O
individuals	O
responsible	O
for	O
ICO-related	O
scams	O
.	O
</s>
<s>
Their	O
ICO	B-Application
was	O
halted	O
by	O
the	O
SEC	O
in	O
early	O
2018	O
with	O
their	O
CEO	B-Application
and	O
COO	O
receiving	O
a	O
fine	O
of	O
million	O
.	O
</s>
<s>
BitConnect	B-Protocol
:	O
Bitconnect	B-Protocol
was	O
among	O
the	O
highest	O
performing	O
cryptocurrencies	O
in	O
2017	O
,	O
promising	O
investors	O
enormous	O
returns	O
through	O
a	O
trading	O
bot	O
.	O
</s>
<s>
The	O
company	O
raised	O
million	O
by	O
October	O
2017	O
through	O
an	O
ICO	B-Application
and	O
few	O
months	O
later	O
performing	O
an	O
exit-scam	O
.	O
</s>
<s>
PlexCoin	O
:	O
After	O
Dominic	O
Lacroix	O
and	O
Sabrina	O
Paradis-Rogers	O
(	O
the	O
founders	O
of	O
PlexCoin	O
)	O
had	O
officially	O
raised	O
around	O
million	O
through	O
a	O
fraudulent	O
ICO	B-Application
in	O
August	O
2017	O
while	O
promising	O
a	O
return	O
of	O
1,354	O
%	O
within	O
a	O
month	O
,	O
the	O
SEC	O
filed	O
a	O
civil	O
complaint	O
in	O
December	O
of	O
the	O
same	O
year	O
against	O
them	O
and	O
sought	O
an	O
injunction	O
to	O
cease	O
those	O
sales	O
,	O
freeze	O
the	O
assets	O
involved	O
,	O
pay	O
civil	O
penalties	O
and	O
prohibit	O
the	O
ones	O
responsible	O
behind	O
the	O
token	O
launch	O
from	O
participating	O
in	O
any	O
future	O
offerings	O
of	O
cryptocurrency	O
.	O
</s>
<s>
During	O
the	O
proceedings	O
the	O
SEC	O
was	O
able	O
to	O
prove	O
that	O
the	O
success	O
of	O
the	O
ICO	B-Application
was	O
inflated	O
by	O
the	O
founders	O
who	O
in	O
fact	O
had	O
raised	O
million	O
instead	O
of	O
the	O
million	O
they	O
had	O
announced	O
.	O
</s>
<s>
Onecoin	B-Application
is	O
one	O
of	O
the	O
more	O
notable	O
examples	O
of	O
cryptocurrency-ponzi	O
schemes	O
:	O
Founded	O
in	O
2014	O
by	O
Ruja	O
Ignatova	O
,	O
OneCoin	B-Application
is	O
estimated	O
to	O
have	O
generated	O
billion	O
in	O
income	O
.	O
</s>
<s>
Shut	O
down	O
in	O
2013	O
with	O
its	O
founder	O
Ross	O
Ulbricht	O
indicted	O
for	O
among	O
other	O
counts	O
a	O
money	O
laundering	O
conspiracy	O
,	O
the	O
website	O
was	O
used	O
for	O
several	O
illicit	O
activities	O
including	O
money	O
laundering	O
solely	O
using	O
Bitcoin	B-Protocol
as	O
a	O
form	O
of	O
payment	O
.	O
</s>
<s>
NFTs	O
are	O
often	O
used	O
to	O
perform	O
Wash	O
Trading	O
by	O
creating	O
several	O
different	O
wallets	B-Protocol
for	O
one	O
individual	O
,	O
generating	O
several	O
fictitious	O
sales	O
and	O
consequently	O
selling	O
the	O
respective	O
NFT	O
to	O
a	O
third	O
party	O
.	O
</s>
<s>
The	O
cryptocurrency	O
community	O
refers	O
to	O
pre-mining	O
,	O
hidden	O
launches	O
,	O
ICO	B-Application
or	O
extreme	O
rewards	O
for	O
the	O
altcoin	O
founders	O
as	O
deceptive	O
practices	O
.	O
</s>
<s>
FTX	O
and	O
Alameda	O
Research	O
founder	O
and	O
CEO	B-Application
Sam	O
Bankman-Fried	O
was	O
indicted	O
by	O
the	O
U.S.	O
District	O
Court	O
for	O
the	O
Southern	O
District	O
of	O
New	O
York	O
in	O
December	O
2022	O
and	O
charged	O
with	O
commodities	O
and	O
wire	O
fraud	O
,	O
securities	O
fraud	O
and	O
money	O
laundering	O
,	O
as	O
well	O
as	O
with	O
violating	O
campaign	O
finance	O
laws	O
.	O
</s>
<s>
Some	O
malware	O
can	O
steal	O
private	O
keys	O
for	O
bitcoin	B-Protocol
wallets	B-Protocol
allowing	O
the	O
bitcoins	B-Protocol
themselves	O
to	O
be	O
stolen	O
.	O
</s>
<s>
The	O
most	O
common	O
type	O
searches	O
computers	O
for	O
cryptocurrency	B-Protocol
wallets	I-Protocol
to	O
upload	O
to	O
a	O
remote	O
server	O
where	O
they	O
can	O
be	O
cracked	O
and	O
their	O
coins	O
were	O
stolen	O
.	O
</s>
<s>
A	O
different	O
approach	O
detects	O
when	O
a	O
bitcoin	B-Protocol
address	O
is	O
copied	O
to	O
a	O
clipboard	O
and	O
quickly	O
replaces	O
it	O
with	O
a	O
different	O
address	O
,	O
tricking	O
people	O
into	O
sending	O
bitcoins	B-Protocol
to	O
the	O
wrong	O
address	O
.	O
</s>
<s>
This	O
method	O
is	O
effective	O
because	O
bitcoin	B-Protocol
transactions	O
are	O
irreversible	O
.	O
</s>
<s>
One	O
virus	O
,	O
spread	O
through	O
the	O
Pony	O
botnet	B-Architecture
,	O
was	O
reported	O
in	O
February	O
2014	O
to	O
have	O
stolen	O
up	O
to	O
$	O
220,000	O
in	O
cryptocurrencies	O
including	O
bitcoins	B-Protocol
from	O
85	O
wallets	B-Protocol
.	O
</s>
<s>
A	O
type	O
of	O
Mac	O
malware	O
active	O
in	O
August	O
2013	O
,	O
Bitvanity	O
posed	O
as	O
a	O
vanity	O
wallet	O
address	O
generator	O
and	O
stole	O
addresses	O
and	O
private	O
keys	O
from	O
other	O
bitcoin	B-Protocol
client	O
software	O
.	O
</s>
<s>
A	O
different	O
trojan	O
for	O
macOS	B-Application
,	O
called	O
CoinThief	O
was	O
reported	O
in	O
February	O
2014	O
to	O
be	O
responsible	O
for	O
multiple	O
bitcoin	B-Protocol
thefts	O
.	O
</s>
<s>
The	O
software	O
was	O
hidden	O
in	O
versions	O
of	O
some	O
cryptocurrency	O
apps	O
on	O
Download.com	B-Application
and	O
MacUpdate	B-Application
.	O
</s>
<s>
Many	O
types	O
of	O
ransomware	O
demand	O
payment	O
in	O
bitcoin	B-Protocol
.	O
</s>
<s>
One	O
program	O
called	O
CryptoLocker	O
,	O
typically	O
spread	O
through	O
legitimate-looking	O
email	O
attachments	O
,	O
encrypts	O
the	O
hard	O
drive	O
of	O
an	O
infected	O
computer	O
,	O
then	O
displays	O
a	O
countdown	O
timer	O
and	O
demands	O
a	O
ransom	O
in	O
bitcoin	B-Protocol
,	O
to	O
decrypt	O
it	O
.	O
</s>
<s>
Massachusetts	O
police	O
said	O
they	O
paid	O
a	O
2	O
bitcoin	B-Protocol
ransom	O
in	O
November	O
2013	O
,	O
worth	O
more	O
than	O
$	O
1,300	O
at	O
the	O
time	O
,	O
to	O
decrypt	O
one	O
of	O
their	O
hard	O
drives	O
.	O
</s>
<s>
Bitcoin	B-Protocol
was	O
used	O
as	O
the	O
ransom	O
medium	O
in	O
the	O
WannaCry	O
ransomware	O
.	O
</s>
<s>
One	O
ransomware	O
variant	O
disables	O
internet	O
access	O
and	O
demands	O
credit	O
card	O
information	O
to	O
restore	O
it	O
,	O
while	O
secretly	O
mining	O
bitcoins	B-Protocol
.	O
</s>
<s>
,	O
most	O
ransomware	O
attackers	O
preferred	O
to	O
use	O
currencies	O
other	O
than	O
bitcoin	B-Protocol
,	O
with	O
44%	O
of	O
attacks	O
in	O
the	O
first	O
half	O
of	O
2018	O
demanding	O
Monero	B-Protocol
,	O
which	O
is	O
highly	O
private	O
and	O
difficult	O
to	O
trace	O
,	O
compared	O
to	O
10%	O
for	O
bitcoin	B-Protocol
and	O
11%	O
for	O
Ether	O
.	O
</s>
<s>
Former	O
U.S.	O
Secret	O
Service	O
agent	O
,	O
Shaun	O
Bridges	O
,	O
pleaded	O
guilty	O
to	O
crimes	O
relating	O
to	O
his	O
diversion	O
of	O
$	O
800,000	O
worth	O
of	O
bitcoins	B-Protocol
to	O
his	O
personal	O
account	O
during	O
the	O
investigation	O
,	O
and	O
also	O
separately	O
pleaded	O
guilty	O
to	O
money	O
laundering	O
in	O
connection	O
to	O
another	O
cryptocurrency	O
theft	O
.	O
</s>
<s>
Gerald	B-Protocol
Cotten	I-Protocol
founded	O
QuadrigaCX	B-Protocol
in	O
2013	O
,	O
after	O
graduating	O
from	O
the	O
Schulich	O
School	O
of	O
Business	O
in	O
Toronto	O
.	O
</s>
<s>
In	O
late	O
2018	O
,	O
Canada	O
's	O
largest	O
crypto	O
exchange	O
QuadrigaCX	B-Protocol
lost	O
in	O
cryptocurrency	O
when	O
the	O
owner	O
died	O
;	O
he	O
was	O
the	O
only	O
one	O
with	O
knowledge	O
of	O
the	O
password	O
to	O
a	O
storage	O
wallet	O
.	O
</s>
<s>
On	O
July	O
15	O
,	O
2020	O
,	O
Twitter	B-Application
accounts	I-Application
of	O
prominent	O
personalities	O
and	O
firms	O
,	O
including	O
Joe	O
Biden	O
,	O
Barack	O
Obama	O
,	O
Bill	O
Gates	O
,	O
Elon	O
Musk	O
,	O
Jeff	O
Bezos	O
,	O
Apple	O
,	O
Kanye	O
West	O
,	O
Michael	O
Bloomberg	O
and	O
Uber	B-Application
were	O
hacked	B-General_Concept
.	O
</s>
<s>
Twitter	B-Application
confirmed	O
that	O
it	O
was	O
a	O
coordinated	O
social	O
engineering	O
attack	O
on	O
their	O
own	O
employees	O
.	O
</s>
<s>
Twitter	B-Application
released	O
its	O
statement	O
six	O
hours	O
after	O
the	O
attack	O
took	O
place	O
.	O
</s>
<s>
Hackers	O
posted	O
the	O
message	O
to	O
transfer	O
the	O
Bitcoin	B-Protocol
in	O
a	O
Bitcoin	B-Protocol
wallet	O
,	O
which	O
would	O
double	O
the	O
amount	O
.	O
</s>
<s>
The	O
wallet	O
's	O
balance	O
was	O
expected	O
to	O
increase	O
to	O
more	O
than	O
$	O
100,000	O
as	O
the	O
message	O
spread	O
among	O
the	O
Twitter	B-Application
followers	O
.	O
</s>
