We propose that it is possible to build "Mars Coin" on Holochain (PDF). Now that lunar and interplanetary expansion appears to be a realistic goal, how will cryptocurrency transactions be affected by the communications time between earth, the moon and other planets in our solar system? It takes between 5 and 20 minutes for one-way communications between Mars and Earth (depending on their orbital positions), and 2.4 to 2.

Can Global Consensus cryptocurrencies be used as a form of money? Bitcoin, Ethereum, etc. have completely different implementations, but share a common idea – that all transactions in their ledgers are agreed to by all participants, simultaneously; that there is a single, agreed-upon global "state" of the ledger's data at each point in time. This data-centric, distributed global synchronous, simultaneous agreement amongst all blockchain participants differs greatly from how money currently works, and brings with it a number of surprising results.

A secure, distributed method for creating dynamically stable monetary systems, where each unit is defined/created by the ownership of real wealth. After another tragic flirtation with central planning, at the beginning of the 21st century the global "Central Bank fiat money" credit system imploded. PDF Now that the U.S. dollar is in full-on decline as the world's de-facto reserve currency, other governments (such as the Chinese) are lining up to take its place.