It’s likely state sponsored and some nation(NK is a common one) just paid for the weapons budget of the next few years
TRM Labs[0] claims it is indeed NK
[0]: https://www.trmlabs.com/resources/blog/north-korea-steals-us...
What would be the list? NK, then Russia, anybody else ?
NK, NK, NK.
Seriously, they have professionalized attacks on crypto infra to a degree that whenever you hear about a massive heist, you can be pretty sure it's North Korea.
Iran
TRM Labs[0] claims it is indeed NK
[0]: https://www.trmlabs.com/resources/blog/north-korea-steals-us...
What would be the list? NK, then Russia, anybody else ?
NK, NK, NK.
Seriously, they have professionalized attacks on crypto infra to a degree that whenever you hear about a massive heist, you can be pretty sure it's North Korea.
Iran