Finally got around to reading through my pile of email backlog, got to this and the point that struck me was that Bitcoin is likely not an answer to anything, simply because it can only work when there is plenty of energy to power the computers that run the various and sundry crypto-currencies. Right now, the processing requirement just for Bitcoin alone exceeds the power requirement for the Republic of Ireland. The more bitcoin gets used, the power demand grows exponentially and the earth just doesn't have enough power (unless someone has found a cache of magic dilithium crystals of infinite power somewhere). Right now, it looks good, but in short order, as global energy supplies continue to become increasingly constrained as they already are, bitcoins are likely going to disappear, along with much wealth associated with them, simply because the machines won't be able to run to process the transactions.
Technophiles and those worshippers of the God of infinite Progress are singing praises of bitcoin right now, and they are singing from exactly the same hymn-book that was used just before the great crash of 1929... the great tech-implosion of 2000...the great mortgage swindle of 2008. In fact, the worth of these ephemeral entities looks exactly like a bubble.
(Furthermore, there is the case of the "programmer" who had a heart attack and several billion dollars in putative wealth exists on a laptop that no one can get to because he didn't tell anyone his password. Many of these extra-judicial monies are just as shakey.)
A point about UBI is that a good portion of people really would stop working at crappy jobs. We saw that with the CERB last year, when small business owners, in particular food services, found they could not staff their businesses when they wanted to re-open because the people who would be economically desperate enough to do those jobs suddenly found they didn't have to and certainly didn't want to. (Also, if they had worked, it would have messed up their CERB.) If UBI were to be implemented, the entire economy would be scrambled like an egg as much of the workforce would simply refuse to work at their existing jobs. It would ultimately function to increase wealth across the population in general, but those in power and the tame intellectuals of the managerial caste will never implement it because they would find themselves significantly poorer as a result and lose a significant portion of their power and leverage over the populace. LVT, as we know, has a similar effect, but milder, without scrambling the economic and socio-political structure.
Your main point about these various ideas (except for BTC) being mutually supportive, or at least not mutually disruptive, seems reasonable. If they were all implemented, they would work together, but if only one or two could be put into place, then MMP is already there, the next part to work on would have to be LVT.
Bruce G. Hearns