No recording devices or records are allowed in their meetings, however one of the guests leaked this information to my great uncle in private a few years ago. We were having a discussion about the future of world currencies and he just told me out of the blue. I was shocked to hear it but after Reading around, it seems others have alluded to the same. I am sure there are other sources regarding their dislike for alternative money and how serious they are to keep cryto on the fringes.