[clearcarbon]

"Many pages say its liquid alcohol encapsulated in a material that dissolves in water, also read that Japan was able to do it in the 1970s."

I recall those old articles about the Japanese version identifying the encapsulation material as gelatin.

[mountainbunny]

In this case, it is most likely maltodextrin made from tapioca. There are recipes out there, and it costs about $10.00 a pound or so.

The recipe I saw had 100 grams of powder to 30 grams of high proof alcohol.

I don’t drink much, and can’t see the point of it for the purpose of getting drunk. The thing I envision it being good for is cooking or setting alight - it is highly flammable.