Thanks for all the replies made in the sibling comments and their descendants. To me it seems that for the time being (e.g. the next 50? 100? years), as long a

Thanks for all the replies made in the sibling comments and their descendants. To me it seems that for the time being (e.g. the next 50? 100? years), as long as we have a currency alternative to bitcoin such as USD, these problems can be avoided by just switching currencies to be able to buy/sell/borrow/invest in, as long as other parties agree to it. Or am I missing something?