IDK. I am not a part of the dev team, so I can't say.
However, I believe, yes..or why else would they have an 'SMT Whitepaper' option in the menu at the right hand side.
The link doesn't work right now but I think they have the plans for implementation.
Anyway, I was talking in general. The technology on which Hive is built is very well suited for such tokens. These tokens should actually be preferred over the ERC 20 tokens of Ethereum as they offer greater possibilities.
RE: HIVE now has 3 of the Top 6 Dapps in all of Crypto