10 BIG BITCOIN HACKS /ROBBERY on Cryptocurrency Exchanges in the World- (1.01)

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While i started working on various Bitcoin or other Cryptocurrency Hacks/Thefts, a large number of incidences came into the picture. The data collated below does not at all covers all of the Bitcoin / Cryptocurrency Thefts/Hacks/Security Compromises. To put things into perspective, only major Bitcoin / Cryptocurrency theft, every year since 2011, across various Exchanges of the World, has been shared.

10 BIG BITCOIN / CRYPTOCURRENCY THEFTS/ HACKS

1: Mt Gox

From JAPAN , The largest cryptocurrency exchange of its time.

First Hack :: June 2011 , 2609 Bitcoin hacked

Second hack :: Feb 2014 , 8,50,000 BTC went missing from the exchange.

Mt.Gox filed for bankruptcy and Investors lost their funds and no refunds were made to them.

2: Bitfloor

The cryptocurrency exchange in USA, lost 24000 BTC to hackers in Sept 2012. The exchange’s hot wallet data was mistakenly held on the company’s servers which led to the hack.

No bitcoins were returned to customers after the hack and customers never saw their funds again.

3: Picostocks

A niche bitcoin firm engaged in Bitcoin stock market, 6000 BTC were hacked, in November 2013

4: Poloniex

A cryptocurrency exchange from USA, lost 12.3% of its BTC in March 2014

CEO made a decision – all balances were evened out to lose these 12.3%. 

5: Mt Gox

The largest cryptocurrency exchange of its time from JAPAN, lost 850,000 BITCOIN in Feb 2014. The company filed for bankruptcy.

This is till date one of the biggest Bitcoin Hack / Robbery

 6: BITSTAMP

One of the big exchanges of its times, the solvenian exchange was started as an alternative to Mt Gox, But 19000 BTC were stolen in Jan 2015. Bitstamp still continues to operate

7: BITFINEX

One of the big exchanges of present times, also known as the creator of USDT Tether. Inspite of having multi-signature technology, it lost 1,20,000 BTC, in Aug 2016

To compensate the loss of the customers, Bitfinex issued BFX tokens for victims that were redeemable in USD

8: Nicehash

Though not an exchange but rather a cloud mining service , Lost 4000 BTC, In 2017

----------2018 ----------

  9: Coincheck

One of the largest exchanges of JAPAN, Lost 534 million dollars worth of NEM coin , in Jan 2018 

10 Bitgrail

Though not a big exchange but the largest in terms of Raiblock or Nano coins trade. In feb 2018, lost 17million Nano or Raiblocks amount 195 million dollars.

Bitgrail though has promised to refund some amount of the lost RAIBLOCKS via their respective currency, but is yet to resume the operations

11: Coinsecure

The Indian exchange, Lost 438 Bitcoins, In April 2018. The matter is under investigation and exchange has been halted owing to various investigation procedures.