Qubic's planned 51% attack against $XRP :

Qubic has announced it will launch its 51% attack against Monero in two days. For the last weeks, its hashrate has been slowly going up, from 5% to over 30% now. Qubic mines on and off, but they mined for 24 hours straight last Sunday and its hashrate was close to 30%. Right now, when Qubic is mining, they are close to 34% hashrate