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The Double Spend Problem was not unsolved in 2008. The likes of Wei Dai, David Chaum, and Stephan Brands had working anonymous "digital cash" cryptosystems sol
by nly 3y ago
The Double Spend Problem was not unsolved in 2008.
The likes of Wei Dai, David Chaum, and Stephan Brands had working anonymous "digital cash" cryptosystems solving the double spending problem within a federated banking model in the late 80s and early 90s
https://groups.csail.mit.edu/mac/classes/6.805/articles/money/nsamint/nsamint.htm#References https://groups.csail.mit.edu/mac/classes/6.805/articles/mone...
- yieldcrv 3y agoyes and bitcoin builds on top of that, I believe the white paper may cite that effort, it cites W Dai’s b-money paper from 1998 The bitcoin white paper specifies that this is a solution without a trusted intermediary the first line of the abstract entails not using a financial institution I agree that ‘unsolved’ was inaccurate, I try to also say bitcoin 2008 is one implementation and essentially all distributed ledgers are following this branch of solution additional solutions remain evasive