If you're interested in the implications of using "Global Consensus" systems for cryptocurrencies that are intended to be usable as a form of money, this article and the earlier https://perry.kundert.ca/range/finance/holochain-consistency... article might be worth reading.
TL;DR: Not only is "Global Consensus" not required to construct a valid global ledger, its inherent drawbacks actually make systems based on it quite bad at serving the purposes that "money" is usually intended to serve. Like, not starving to death...
TL;DR: Not only is "Global Consensus" not required to construct a valid global ledger, its inherent drawbacks actually make systems based on it quite bad at serving the purposes that "money" is usually intended to serve. Like, not starving to death...