WMWJU?
Discussion
Well, it appears from what I can find no account of him using money, most of his support came from others donating to him, or from divine intervention.
It appears from scripture that Judas was in charge of Financial Matters, most likely The Tyre Shekel, or Denarius (plus a few others).
However, it's fair to assume since Jesus had divine blessings, that we can use other Prophets to examine The Most "Holy" Currency.
One that is probably backed by silver.
Further readings if you're interested.
John 12, John 12:6 more specifically that mentions Judas as the treasurer, though the context of John 12 helps.
Coins used during The New Testament:
https://www.bible.ca/coins/bible-coins-Jesus-used-in-the-New-Testament.htm
Coins used by The Ancient Israelites:
Probably need gold and silver, together, nowadays, due to the increase in the population size and the economy.
The ideal future of currency for me, is a free, and open interchange.
All forms of tender/exchange/currency should be usable as a method of payment 🤗.
That doesn't answer the question of which one you consider best, of course.
I like all currencies in honesty, just the intricate designs of the currency, the culture, & values, the history.
As much as I hate on The United States Federal Reserve Notes they are quite beautiful as well, that being said I prefer cryptocurrencies (primarily Bitcoin, and Monero) but I'm open to anything, Goldbacks, Swiss Francs, Chinese Yuan, Japanese Yen, Zcash, Bitcoin Cash, etc.
Heck maybe even Zimbabwean Dollars, and Old German Duetsch Marks.
Money sortof is but it's the middleman so Satoshi saw the problem.