PPT-Byzantine Quorums and Hyperledger Fabric and a few

Byzantine Quorums and Hyperledger Fabric and a few more things on Byzantine FaultTolerance BFT and Blockchains virtually EPFL November 16 2020 Dr Marko Vukolić IBM Research Zurich Byzantine Fault Tolerance BFT 2 replica replica. Definition. Byzantine:. this term is a modern invention. The Byzantines called themselves either ‘Romans’. . or ‘Greeks’. Invented by the classical scholar Hieronymus Wolf and popularized by Montesquieu. aka Eastern Roman Empire. Byzantine Empire. ". Byzantine" derives from Byzantium, an ancient Greek colony founded by a man named . Byzas. . . Located . on the European side of the Bosporus (the strait linking the Black Sea to the Mediterranean), . 610-1070. Strains on the Empire. Avars. Slavs. Persians. And after 632 the Muslims. Heraclius. Came to power amid military disaster. Avars. , Slavs, and Persians were all attacking the empire at once. Early Byzantine 500-726 (Iconoclastic Controversy). Iconoclastic Controversy 726-843. Middle/High Byzantine 843-1200 (Medieval Crusades). Late Byzantine 1200-1453 (Ottoman Conquest). Main Ideas of Byzantine Art. CS 271. 1. Distributed Mutual Exclusion. Given a . set of processes . and a . single resource. , develop a protocol to ensure . exclusive access . to the resource by a . single process at a time. .. This is a . Eleanor Birrell. November 23, 2010. x. y. SIG(x, . i. ). SIG(y, . i. ). SIG(. x,i. ). SK. A. Authenticated Messages. Digital Signatures. Public-Key. Inefficient . Message Authentication Codes (MAC). Secret-Key. Chapter 6: The Byzantine & Islamic Empires. The Rise of “New Rome”. Constantinople . D. edicated in 330. Important commercial center. Political and religious center. Capital of Eastern Roman Empire. and . Early Russia. AP European History. Byzantine Empire. Formation of the Empire. Established by Emperor Diocletian’s division of the Roman Empire. Eastern half of the Roman Empire. Constantine reunited the empires but moved the capital to Constantinople. Location. The eastern portion of the former Roman Empire. Capital City – Constantinople (modern day Istanbul). Excellent location for trade. Military defense. Fought with the following for control of the area. Vocabulary for Chapter 9. Define the vocabulary word. Draw a picture of the vocabulary word. Create four clues about the vocabulary word to help remember the definition. Vocabulary – . Autocrat. Icon. Roman Imperial . in its form of government;. Orthodox Christian . in religion. Greek . in its culture and language. From Eastern Roman to Byzantine Empire. Constantinople. – imperial capital; center of a world empire; a Christian city under the protection of God; . Capital: Byzantium. On the Bosporus. Commercial, strategic value of location. Constantine names capital after himself (Constantinople), moves capital there 330 CE. 1453 falls to Turks, renamed Istanbul. Developments in Europe and the Byzantine Empire. . Where we last left off…. The Roman Empire was divided into two factions. The . Eastern Roman Empire. , centered in Constantinople became highly centralized government known as the . The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise!