I don't have NANO itself but I do agree with one thing. People haven't fully understood or explored DAG technology. I used it even in 2017 and was so impressed. I know nothing much about if the security can be fully tested or proven but coins showed they had a use and with all the problems in other algos I wonder if DAG can make a comeback?
Fully tested, never had a hack or anithing similar, the only things hacker can do is to crack down exanges or to spam the net with mini transactions to slow down the net...this is beeing solved and while this attacks happend okey, its not 1 second the transaction...is 30 sec to 2 min..so lol. Let them spam xD