Is there a legal definition of Bitcoin which excludes all other crypto assets? Is that even possible?
That's what you should be asking yourself
Discussion
Don't believe so. Also, in listening to folks like Eleanor Terrett and the guys from Satoshi Action Fund and Bitcoin Policy Institute over the last several years when talking about their advocation efforts, the Government views it as a wholistic asset class.
and of course they do, because most of the shitcoins were fomented by spook agencies from USA and 5 eyes