I wrote about the idea of buying Bitcoin in your IRA last year. I got a lot of responses to that post and one of them was from the founder of Alto IRA.
I set up an Alto IRA, moved my old IRA over to it, and waited. When they had an alpha version of the crypto service up and running, I bought some Bitcoin in my Alto IRA via their Coinbase integration.
Now that service is fully battle-tested and ready for everyone.
Here are the details of the Alto Crypto IRA. If you are interested in buying crypto in your IRA, they have a slick Coinbase integration that worked great for me and should work well for you too.