Didn't Qubic manage to attack Monero?
They tried to do a 51% attack which at worst could result in double spends. They have never reached more than 35%.
The attack did not and could not compromise or weaken moneros privacy and anonymity features.
The attack did not and could not compromise or weaken moneros privacy and anonymity features.
If you used the server to mine Bitcoin, you would make approximately zero (0) profit, even if somebody else pays for the server.
But also yes, Monero has technically held up very well.