The State has control of the nuclear launch code keys and understand how they operate
Please don't make the mistake thinking the State doesn't know how #Bitcoin and private and public keys operate
Discussion
You're way overestimating the sophistication of nuclear codes. One time pads get the job done just fine for this use case
You're saying, Nuclear codes are protected by 2FA?
Not even that https://en.wikipedia.org/wiki/One-time_pad
Launch code for US nukes was 00000000 for 20 years.
https://arstechnica.com/tech-policy/2013/12/launch-code-for-us-nukes-was-00000000-for-20-years/
Yikes!