Earlier quoted context omitted.
It doesn't seem like the SEC has actually said what Coinbase is doing that is a security, or published regulations on how to determine which digital assets are securities and which are not "The SEC staff told us they have identified potential violations of securities law, but little more. We asked the SEC specifically to identify which assets on our platforms they believe may be securities, and they declined to do so…
Regulations and court precedents about what’s a security have been published since the 1930s. Lots of people have tried to work around it. Crypto isn’t the first attempt to create pseudo-securities where the layers of ownership and control are obfuscated. The rules aren’t really that complicated — it’s just that crypto people have a hard time facing the fact that practically everything in crypto meets the definition…
(I don't own any crypto and haven't ever; generally anti-crypto.)
[1] https://www.irs.gov/publications
[2] https://www.irs.gov/businesses/small-businesses-self-employe...