On these forums it is suggested that David Vincent has orchestrated the Metalstream blockchain scam, where they claim to have (unverifiably) raised $89M https://stomarket.com/sto/metalstream-msgld. Apparently they are going to pay $5M to Canamex, in exchange for gold that isn't mined yet, so their token holders can redeem the gold that they claim is being held as bullion to back the tokens.
Metalstream had a puppet CEO, while Eli Weir of Blockchain Labs Asia ran the show alongside dozens of other failing STO ventures.