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2. Ecash - Wikipedia

   en.wikipedia.org/wiki/Ecash

   Chaum started the company DigiCash in 1989 with "ecash" as its trademark. He raised $10 million from David Marquardt and by 1997 Nicholas Negroponte was its chairman. [4] Yet, in the United States, only one bank — the Mark Twain bank in Saint Louis, MO — implemented ecash, testing it as micropayment system; [5] Similar to credit cards, the system was free to purchasers, while merchants ...

3. Bitcoin Cash - Wikipedia

   en.wikipedia.org/wiki/Bitcoin_Cash

   In November 2020, there was a second contested hard fork where the leading node implementation, BitcoinABC, created BCHA (now dubbed "eCash" or "XEC"). [ 48 ] [ 49 ] Trading and usage

4. DigiCash - Wikipedia

   en.wikipedia.org/wiki/DigiCash

   DigiCash Inc. was an electronic money corporation founded by David Chaum in 1989. DigiCash transactions were unique in that they were anonymous due to a number of cryptographic protocols developed by its founder. [1]

5. David Chaum - Wikipedia

   en.wikipedia.org/wiki/David_Chaum

   Chaum was born to a Jewish family in Los Angeles, California. [8] He gained a doctorate in computer science from the University of California, Berkeley, in 1982. [9] [10] Also that year, he founded the International Association for Cryptologic Research (IACR), which currently organizes academic conferences in cryptography research.

6. History of bitcoin - Wikipedia

   en.wikipedia.org/wiki/History_of_bitcoin

   Prior to the release of bitcoin, there were a number of digital cash technologies, starting with the issuer-based ecash protocols of David Chaum and Stefan Brands. [3] [4] [5] The idea that solutions to computational puzzles could have some value was first proposed by cryptographers Cynthia Dwork and Moni Naor in 1992.

7. Adam Back - Wikipedia

   en.wikipedia.org/wiki/Adam_Back

   Back was born in London, England, in July 1970. [1] His first computer was a Sinclair ZX81.He taught himself Basic, and spent his time reverse engineering video games, finding decryption keys in software packages.

8. Cash Investigation - Wikipedia

   en.wikipedia.org/wiki/Cash_Investigation

   Cash Investigation is a French television news show. It produces investigative reports in the financial and business space. It produces investigative reports in the financial and business space. The investigations cover subjects such as greenwashing , neuromarketing and child labor .

9. Ronald "Slim" Williams - Wikipedia

   en.wikipedia.org/wiki/Ronald_"Slim"_Williams

   Ronald Jay "Slim" Williams (born November 11, 1964) [1] [2] [3] is an American entrepreneur and record executive who co-founded the record label Cash Money Records in 1991, along with his younger brother, rapper Bryan "Birdman" Williams. [4]