Browsing Engineering (Faculty of) by Subject "blockchain"
Now showing items 1-11 of 11
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Analyzing Issues of Privacy and Offline Transactions In Central Bank Digital Currencies
(University of Waterloo, 2023-12-08)With the popularity of cryptocurrencies like bitcoin and Ethereum, many central banks have begun to look into issuing their own digital currency. For many central banks, the goal of a central bank digital currency (CBDC) ... -
Blockchain Based Election Architecture using XRPL
(University of Waterloo, 2021-08-24)The advent of blockchain technology in 2008 has inspired researchers to explore its applications in various fields including health, inventory management and voting. Governments around the world have been looking for secure ... -
Blockchain for Transparent Data Management Toward 6G
(Elsevier, 2021-07)The wealth of user data acts as a fuel for network intelligence toward the sixth generation wireless networks (6G). Due to data heterogeneity and dynamics, decentralized data management (DM) is desirable for achieving ... -
Data, Debt & Daemons: Systemic Asymmetries on Spaceship Earth
(University of Waterloo, 2019-10-17)Day by day, the rate at which we create new data increases exponentially. Our capacity to learn cannot keep up. We are tiny members of a vast universal network, incapable of discerning cause and effect. Instead, we develop ... -
Designing an Incentive-compatible Reward Scheme for Algorand
(University of Waterloo, 2022-06-21)Founded in 2017, Algorand is the first carbon-negative blockchain protocol inspired by proof of stake. Algorand uses a Byzantine agreement protocol to add new blocks to the blockchain. The protocol can tolerate malicious ... -
Privacy-Preserving and Regulation-Enabled Mechanisms for Blockchain-based Financial Services
(University of Waterloo, 2022-09-26)With the success of cryptocurrencies such as Bitcoin, blockchain technology has attracted extensive attention from both academia and industry. As a distributed ledger technology, blockchain provides decentralization and ... -
Scaling Permissioned Blockchains via Sharding
(University of Waterloo, 2023-01-25)Traditional distributed systems, such as those used in banking and real estate, require a trusted third party to operate and maintain them, which is highly dependent on the reliability of the operator. Since Bitcoin was ... -
Security Analysis Methods for Detection and Repair of DoS Vulnerabilities in Smart Contracts
(University of Waterloo, 2021-04-19)In recent years we have witnessed a dramatic increase in the applications of blockchain and smart contracts in a variety of contexts, including supply-chain, decentralized finance, and international money transfers. However, ... -
Strategic Blockchain Adoption in Supply Chain Operations
(University of Waterloo, 2021-12-17)Supply chains have often benefited from breakthroughs in information technology. Most recently, blockchain is promising to revolutionize the way supply chains are designed and operated. In this thesis, we explore blockchain ... -
Toward High-Performance Blockchains
(University of Waterloo, 2022-08-31)The decentralized nature of blockchains has attracted many applications to build atop them, such as cryptocurrencies, smart contracts, and non-fungible tokens. The health and performance of the underlying blockchain systems ... -
Understanding Scalability Issues in Sharded Blockchains
(University of Waterloo, 2020-12-11)Since the release of Bitcoin in 2008, cryptocurrencies have attracted attention from academia, government, and enterprises. Blockchain, the backbone ledger in many cryptocurrencies, has shown its potential to be a data ...