That's an interesting and informative article. Thanks for putting it all together. What if there is a software that could automatically select your fiscal year and provide tax documents with calculations

I am a community member and has faced a similar problem. Decided to be compliant and wrote a simple and easy to use software. Offering it for free to everyone to calculate capital gains - pay only to download

Team from BearTax here. We've been through the heavy lifting of calculating cost basis for all transactions and built a simple tool for community to use. You can view your gain loss information for free

That's my article on medium :)

Coinbase, Gemini as far as I know