The rules both of forfeiture and what they are and aren't supposed to do with seized assets are here https://www.justice.gov/criminal-afmls/file/839521/download

The rules both of forfeiture and what they are and aren't supposed to do with seized assets are here https://www.justice.gov/criminal-afmls/file/839521/download https://www.justice.gov/criminal-afmls/file/839521/download Cryptocurrency is actually specifically mentioned.