Lost assets are commonly reported on this form, which you should file if you knowingly hold coins and then lose access to them: https://www.irs.gov/pub/irs-pdf

Lost assets are commonly reported on this form, which you should file if you knowingly hold coins and then lose access to them: https://www.irs.gov/pub/irs-pdf/i4684.pdf https://www.irs.gov/pub/irs-pdf/i4684.pdf If you recover the property in the future after filing it as lost, pay a tax professional to advise you.