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Virtual Currencies
Mlýnková, Veronika ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
This bachelor thesis deals with the topic of virtual currencies based on the blockchain technology. The foundations of the cryptocurrency workings are explained on cryptocurrency Bitcoin, which is later described in a greater detail from technological point of view. In addition to the general workings of a bitcoin network, this thesis describes creation of bitcoin addresses, the composition of transactions and the way they are sign and verified. A broader view of cryptocurrencies is offered within the fourth chapter, with the classification into generations and explanation of terms coin, token and stable coin. Chapter Ethereum explains the meaning of smart contracts and decentralized applications. Within the thesis a laboratory task was performed, which describes the procedure for programming a simplified version of blockchain in Python. To summarize the discussed topic, an educational web application was created.
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Industrial device authentication system using blockchain
Hnátek, Michal ; Holasová, Eva (referee) ; Fujdiak, Radek (advisor)
This bachelor thesis deals primarily with industrial networks and blockchain. Current implementations of network security are enumerated. A large part is devoted to the analysis of consensus algorithms and their suitability for industrial networks. The work also includes an extensive comparison of libraries for blockchain creation. In the area of industrial networks, the Modbus protocol is represented. The general function of blockchain and its modifications for use in industrial private networks are described. The creation of a private blockchain with the Proof of Authority consensus algorithm using the go-ethereum library is described, as well as the creation of a smart contract for a given blockchain.
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Virtual Currencies
Mlýnková, Veronika ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
This bachelor thesis deals with the topic of virtual currencies based on the blockchain technology. The foundations of the cryptocurrency workings are explained on cryptocurrency Bitcoin, which is later described in a greater detail from technological point of view. In addition to the general workings of a bitcoin network, this thesis describes creation of bitcoin addresses, the composition of transactions and the way they are sign and verified. A broader view of cryptocurrencies is offered within the fourth chapter, with the classification into generations and explanation of terms coin, token and stable coin. Chapter Ethereum explains the meaning of smart contracts and decentralized applications. Within the thesis a laboratory task was performed, which describes the procedure for programming a simplified version of blockchain in Python. To summarize the discussed topic, an educational web application was created.
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