Bitcoin: A peer-to-peer electronic Cash System https://www.bitcoin.com/get-started/what-is-bitcoin-cash/
I think BTC, LTC, BCH and Ethereum Will be cataloged by SEC as commodities.
The 1.7 % tax for Using cashtokens where can be found. Like Is there a document that proves your findings?
S. 6 (Incentive): "... there is no central authority to issue them." CashTokens have central authorities to issue them, but without standard 1.7% p.a. inflation as nodes' incentive.