This morning SEC has released an official statement on “Framework for ‘Investment Contract’ Analysis of Digital Assets” analyzing whether a digital asset is a security or not.

More details are provided here on SEC website

Also, provided a disclaimer as follows

This framework represents Staff views and is not a rule, regulation, or statement of the Commission.  The Commission has neither approved nor disapproved its content.  This framework, like other Staff guidance, is not binding on the Divisions or the Commission.  It does not constitute legal advice, for which you should consult with your own attorney.  It does not modify or replace any existing applicable laws, regulations, or rules.  Market participants are encouraged to review all the materials published on FinHub.