This might cause a problem for the Tether cryptos. Basically they are cryptos benchmarked to the dollar or other fiat currencies so people do not have to bring in fiat funds to the site and instead get out of the crypto positions by buying Tethers.
I am thinking the IRS is less interested in the taxable event and more into making a decentralized self sufficient non fiat denominated crypto world illegal.
I'm thinkin' that when the Don don't get his vig, then there might be some problems with...
..."Nice little business you've got here. It'd be a shame if something happened to it."