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EnglishBitcoin is currently in a bull run. How many BTC are locked in exchanges that can't be accessed from the users? Like for e.g Cryptopia, Quadriga, MTGOX

Looking for accurate information on the following: Estimated total amount of Bitcoins that are inaccessible from users and on which exchanges? Some notable ones that I know [quadriga, cryptopia, MTGOX] Please provide me with the numbers and additional exchanges that I am missing. Thank you

Missalikh 6 days ago
    Tags:
  • Btc
  • Exchanges
  • Bitcoin
  • Crypto
  • Cryptocurrency
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elmarg91 6 days ago Correct
It is estimated that around 3-4 million Bitcoins are lost forever. Not only in exchanges hacks, but many of them from early users who didn't stored them properly.
- Mt. Gox exchange - Around 850,000 BTC was stolen, with 750,000 of them belonging to customers.
- Cryptopia - A combined $215 million in assets including BTC. It isn't widely known how much of them were in Bitcoin.
- Gatecoin - The Hong Kong based exchange was hacked for 250 BTC & 185,000 ETH worth around 2 million dollars in May 2016.
- MintPal - In July 2014 the company was reporting missing funds left of 3,700 BTC.
- Bitfloor - On September 3 OF 2012, 24,000 BTC were hacked, valued at approximately 250,000 dollars when the theft took place.
- BitMarket.eu - Nearly 20,000 BTC of its customer's funds were lost.
- Bitstamp - An anonymous hacker 19,000 bitcoins, and therefore the exchange suspended operations.
- Bitfinex - This was the second largest Bitcoin hack ever made after Mt.Gox. Around 120,000 BTC were hacked.
Missalikh 2 days ago
Quite a big number that can't be moved or sold.
There is also OKEX with another 200.000 BTC.

If you have any other exchange feel free to give extra info with a new reply.

The reward is yours.
Adi10000 6 days ago
On September 25, 2020, the crypto community found out that the Kucoin exchange was hacked for a great number of assets. Estimates say 1,008 BTC was stolen, along with 14,713 BSV, 26,733 LTC, 9,588,383 XLM, Omni and EOS based tether (USDT) worth $14 million, $153 million of ether and ERC20s, and over 18 million XRP.
Peter Mitruk 3 days ago
A lot of them :D
Gabriel 3 days ago
- MintPal - In July 2014 the company was reporting missing funds left of 3,700 BTC.