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  2. Quadriga Fintech Solutions - Wikipedia

    en.wikipedia.org/wiki/Quadriga_Fintech_Solutions

    Quadriga Fintech Solutions was the owner and operator of QuadrigaCX, which was believed to be Canada's largest cryptocurrency exchange at the time of its collapse in 2019, with the exchange ceasing operations and the company filing for bankruptcy with C$215.7 million in liabilities and about C$28 million in assets.

  3. History of bitcoin - Wikipedia

    en.wikipedia.org/wiki/History_of_bitcoin

    On 5 December 2013, the People's Bank of China announced in a press release regarding bitcoin regulation that whilst individuals in China are permitted to freely trade and exchange bitcoins as a commodity, it is prohibited for Chinese financial banks to operate using bitcoins or for bitcoins to be used as legal tender currency, and that ...

  4. Russian interference in the 2016 United States elections ...

    en.wikipedia.org/wiki/Russian_interference_in...

    In order to establish American identities for individuals and groups within specific social media communities, [42] hundreds of email, PayPal and bank accounts and fraudulent driver's licenses were created for fictitious Americans—and sometimes real Americans whose Social Security numbers had been stolen.

  5. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    By making sure that verifying transactions is a costly business, the integrity of the network can be preserved as long as benevolent nodes control a majority of computing power. The verification algorithm requires a lot of processing power, and thus electricity in order to make verification costly enough to accurately validate public blockchain.

  6. Celsius Network - Wikipedia

    en.wikipedia.org/wiki/Celsius_Network

    Celsius Network LLC was a cryptocurrency company. Headquartered in Hoboken, New Jersey, Celsius maintained offices in four countries and operated globally.Users could deposit a range of cryptocurrency digital assets, including Bitcoin and Ethereum, into a Celsius wallet to earn a percentage yield, and could take out loans by pledging their cryptocurrencies as security.

  7. OneCoin - Wikipedia

    en.wikipedia.org/wiki/OneCoin

    OneCoin logo on the door of their office building in Sofia, Bulgaria, in 2016. OneCoin is a fraudulent cryptocurrency scheme [1] [2] conducted by offshore companies OneCoin Ltd, based in Bulgaria and [3] registered in Dubai, and OneLife Network Ltd (registered in Belize), both founded by Ruja Ignatova in concert with Sebastian Greenwood. [4]

  8. Kraken (company) - Wikipedia

    en.wikipedia.org/wiki/Kraken_(company)

    Kraken; Type: Cryptocurrency exchange: Location: San Francisco, California, United States: Coordinates: 1]: Founded: July 28, 2011; 13 years ago (): Owner: Payward, Inc. [1]: Key people: Dave Ripley (CEO) [1]: Currency: Cryptocurrencies: [2] BTC, ETH, DOT, ADA, DOGE, XMR Fiat currencies: USD, EUR, JPY, GBP, CAD, AUD, CHF, AED: Website: kraken.com: Kraken (legally named Payward, Inc.) is a ...

  9. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    The unit of account of the bitcoin system is the bitcoin. It is most commonly represented with the symbol ₿ [1] and the currency code BTC. However, the BTC code does not conform to ISO 4217 as BT is the country code of Bhutan, [55] and ISO 4217 requires the first letter used in global commodities to be 'X'. [55]