Roland Pease - writing for the BBC Radio Science Unit, has crafted this well-reported piece, targeting the PRC's Micius satellite, engineered to provision the fundamentals of an ostensibly 'unbreakable' crypto-mehodology, i.e., quantum entanglement (in this case, wierding twins)...

"Chinese scientists have pulled off a major feat with one of the sub-atomic world's weirdest phenomena: photons that behave like twins and experience the same things simultaneously, even over great distances." - via Phys.org