Cryptocurrencies are one of the few places where white papers are celebrated. Sometimes it's just a tickbox exercise, but it does encourage thorough, up-front discussions of design.
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It's amazing how quickly leaked credentials get harvested and used to create VMs mining cryptocurrencies: https://johnmathews.eu/i-leaked-credentials-onto-a-public-github-repo.html
Prediction markets are a fascinating potential application for cryptocurrencies. The details of who and how a claim is verified are challenging though.
https://info.binance.com/en/research/marketresearch/augur-design-flaws.html
(But it looks like the several political outcomes are already available on UK betting exchanges.)