115,792,089,237,316,195,423,570,985,008,687,907,852,837,564,279,074,904,382,605,163,141,518,161,494,336 is the total number of different private keys. How fast can it try them all ?
Eternity because it is NOT a "Quantum Computer". It is a chip created to test one thing - data error correction. PERIOD. Perhaps try reading back a bit.....