You absolutely have not lost anything until you sell your assets. Don't worry, the future of cryptocurrency is still ahead.
you are lucky.
most of investors lose their 95% capital in here since january.
Horrible years for cryptocurrency, and I guess most who complain about the loss in investing in cryptocurreny at this time are newbies. They started investing because of FOMO, when the cryptocurrency price was at ATH then they bought it, but at the beginning of 2018 the cryptocurrency price began to decline slowly and all they did was hold because they were so sure the cryptocurrency price would rise again.