You are probably referring to the characteristics of blockchain technology, rather that the so-called “currency” per se.
Generally, IMHO, it is more meaningful to think of a “crypto currency” in its current form as more akin to a “penny stock” which may be used by some in barter transactions, rather than as akin to a “loonie” coin.
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“Some crypto currencies capture all of that in every transaction”
Since much of the initial allure of crypto was the easier facilitation of money laundering and other illegal activities, now that these can be more easily traced in the crypto data, for the arrest and prosecution of same, they may well lose much of their appeal in those shadow markets…
In turn, that may well also result in less enthusiasm for those that indulge in “investing in crypto” for gambling purposes…