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What was one of the early pre-blockchain technologies described in the text?
What was one of the early pre-blockchain technologies described in the text?
Who described an approach to public key distribution and digital signatures called tree authentication?
Who described an approach to public key distribution and digital signatures called tree authentication?
In what year did Stuart Haber and W. Scott Stornetta publish an article describing how to timestamp digital documents?
In what year did Stuart Haber and W. Scott Stornetta publish an article describing how to timestamp digital documents?
What did David Chaum describe in his Ph.D. dissertation for the University of California, Berkeley?
What did David Chaum describe in his Ph.D. dissertation for the University of California, Berkeley?
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Which of the following is NOT mentioned in the text as an entity researching and deploying blockchain technology?
Which of the following is NOT mentioned in the text as an entity researching and deploying blockchain technology?
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What year did the burgeoning open-source community begin developing complete enterprise platforms?
What year did the burgeoning open-source community begin developing complete enterprise platforms?
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What is the Merkle tree described in the text?
What is the Merkle tree described in the text?
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Who founded the company DigiCash in 1989?
Who founded the company DigiCash in 1989?
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What was the purpose of the vault system described by David Chaum in his Ph.D. dissertation?
What was the purpose of the vault system described by David Chaum in his Ph.D. dissertation?
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Which of the following was NOT mentioned as a pre-blockchain technology in the text?
Which of the following was NOT mentioned as a pre-blockchain technology in the text?
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