“The biggest problem in crypto – we call them the triennial problem. You’ve got cost, speed – it could take four minutes or four hours (to mine crypto) — and then you’ve got scalability.
Aker may have said that... but there's no way he has come up with that sentence himself. Someone with a brain wrote it for him.
Are these problems ones which occur every three years? Someone might have a brain but not heaps of it.....