The History of Cryptocurrency
A digital file can be copied perfectly, so Marge could promise 20 units when only 10 ever existed; banks used to keep the book and stop such copies.
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1.What is the double-spending problem?
A digital file can be copied perfectly, so Marge could promise 20 units when only 10 ever existed; banks used to keep the book and stop such copies.
2.What did David Chaum's early 1980s work focus on?
Chaum worried a third party could learn a lot from your payments and asked for payments that protect privacy and keep some control.
3.What is proof-of-work?
Adam Back described Hashcash, built on proof-of-work, in 2002.
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Sources (6)
- Nakamoto, S.: Bitcoin: A Peer-to-Peer Electronic Cash System (Whitepaper, PDF)
- Bitcoin Core Quellcode: src/kernel/chainparams.cpp (Genesis-Block)
- Chaum, D.: Blind signatures for untraceable payments (Konferenzbeitrag, Crypto 82, Plenum 1983)
- U.S. Securities and Exchange Commission: Report of Investigation Pursuant to Section 21(a): The DAO, Release No. 81207, 25 July 2017
- Bank for International Settlements: Annual Economic Report 2018, Chapter V: Cryptocurrencies: looking beyond the hype (24 June 2018)
- Eigene Rechnung: Doppelausgabe
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