US Tax payer

Anyone knows where to get tax document to write off losses 2018 tax year

With Crypto losses it would be best if you spoke to a lawyer that is familiar with the asset class, it might be best to have a professional review your case rather than try to do it on your own with one of the many options available in the U.S.

You might want to try They offer a tax documentation creation service. I haven’t tried it, but their free services work well.