Hyup - hacking the not so-secure blockchain technology. Granted, most of the 'hacks' are phishing attacks, which don't technically penetrate the cryptography - but not ALL the attacks are such low tech.
Blockchain technology is simply a distributed ledger tech- much, much, much slower that the ledger tech used in clearing checks, debit cards, and credit cards.
That is ALL it is - with a few 'golden eggs' inside the ledger algo's that they 'call currency'. BS
NK's hack and use of bitcoin would be identical to hacking/stealing/penetrating trading of ENRON STOCKS - and using those as 'currency', prior to the Enron Fraud being exposed.
It is exactly the same thing.
Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...