Blockdynamics
Polkadot (cryptocurrency)KLJN Secure Key Exchange
Random-resistor-random-temperature Kirchhoff-law-Johnson-noise key exchange, also known as RRRT-KLJN or simply KLJN, is an approach for distributing cryptographic keys between two parties that claims to offer unconditional security.
This claim, which has been contested, is significant, as the only other key exchange approach claiming to offer unconditional security is Quantum key distribution.
The KLJN secure key exchange scheme was proposed in 2005 by Laszlo Kish and Granqvist. It has the advantage over quantum key distribution in that it can be performed over a metallic wire with just four resistors, two noise generators, and four voltage measuring devices---equipment that is low-priced and can be readily manufactured. It has the disadvantage that several attacks against KLJN have been identified which must be defended against.
"Given that the amount of effort and funding that goes into Quantum Cryptography is substantial (some even mock it as a distraction from the ultimate prize which is quantum computing), it seems to me that the fact that classic thermodynamic resources allow for similar inherent security should give one pause," wrote Henning Dekant, the founder of the Quantum Computing Meetup, in April 2013.
The Cybersecurity Curricula 2017, a joint project of the Association for Computing Machinery, the IEEE Computer Society, the Association for Information Systems, and the International Federation for Information Processing Technical Committee on Information Security Education (IFIP WG 11.8) recommends teaching the KLJN Scheme as part of teaching "Advanced concepts" in its knowledge unit on cryptography.
Deactivated Topic
Directed acyclic graph
Directed acyclic graph
A graph data structure that uses topological ordering, meaning that the graph flows in only one direction, and it never goes in circles.
A graph data structure that uses topological ordering, meaning that the graph flows in only one direction, and it never goes in circles.
DAGsDAGs are probabilistic graphical representations of Bayesian networks that aim to model conditional dependence (e.g. eating the meal depends on preparing it first).
Royal CopenhagenTHE HISTORY OF THE PORCELAIN FACTORY AND THE ROYAL CONNECTION
THE HISTORY OF THE PORCELAIN FACTORY AND THE ROYAL CONNECTION
AN ENTREPRENEURIAL MONARCH
AN ENTREPRENEURIAL MONARCH
Via her European contacts, she had understood that a combination of knowledge and the use of local raw materials would improve local living conditions. Like many other European monarchs, she supported research in natural science. It was no longer theology but science that would improve life on earth, hence her interest in mineralogy and the raw materials for porcelain production.porcelain production.
FROM A GOOD PORCELAIN FAMILY
FROM A GOOD PORCELAIN FAMILY
THE ROYAL CROWN AND THE THREE WAVES
THE ROYAL CROWN AND THE THREE WAVES