In the US? It doesn't at all. The SEC chair's opinion on if something is a community vs. a security has no bearing on what the IRS thinks. The distinction only

In the US? It doesn't at all. The SEC chair's opinion on if something is a community vs. a security has no bearing on what the IRS thinks. The distinction only really matters when deciding which agency is responsible for enforcing any regulations. As far as the IRS is concerned they treat them the same for capital gains.