About: http://webisa.webdatacommons.org/96993902

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, certain applications of quantum cryptography, such as satellite links, have proved to be challenging, partly due to a key requirement of quantum key distribution: that the two parties must have a shared reference frame.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org