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Mario Alviano
Client puzzle protocols are widely adopted mechanisms for defending against resource exhaustion denial-of-service (DoS) attacks. Among the simplest puzzles used by such protocols, there are cryptographic challenges requiring the finding of hash values wi...
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Seyed Mohammad Hashemi, Ruxandra Mihaela Botez and Georges Ghazi
This paper introduces an innovative consensus algorithm for managing Unmanned Aircraft System Traffic (UTM) through blockchain technology, a highly secure consensus protocol, to allocate airspace. A smart contract was developed on the Ethereum blockchain...
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Moritz Platt and Peter McBurney
Consensus algorithms are applied in the context of distributed computer systems to improve their fault tolerance. The explosive development of distributed ledger technology following the proposal of ?Bitcoin? led to a sharp increase in research activity ...
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Qian Qu, Ronghua Xu, Yu Chen, Erik Blasch and Alexander Aved
Blockchain technology has been recognized as a promising solution to enhance the security and privacy of Internet of Things (IoT) and Edge Computing scenarios. Taking advantage of the Proof-of-Work (PoW) consensus protocol, which solves a computation int...
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Nur Arifin Akbar, Amgad Muneer, Narmine ElHakim and Suliman Mohamed Fati
Blockchain technology is a sustainable technology that offers a high level of security for many industrial applications. Blockchain has numerous benefits, such as decentralisation, immutability and tamper-proofing. Blockchain is composed of two processes...
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Shihab Shahriar Hazari and Qusay H. Mahmoud
A blockchain is a distributed ledger forming a distributed consensus on a history of transactions, and is the underlying technology for the Bitcoin cryptocurrency. Its applications are far beyond the financial sector. The transaction verification process...
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Samar Alsaqqa,Sufyan Almajali
Pág. pp. 142 - 156
One of the new promising technologies for the future is blockchain. It has become one of the popular techniques for various transactions and applications in many different areas such as economy, business, and government. Blockchain technology started wit...
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Juri Hinz
Recently, diverse concepts originating from blockchain ideas have gained increasing popularity. One of the innovations in this technology is the use of the proof-of-work (PoW) concept for reaching a consensus within a distributed network of autonomous co...
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N. P. Varnovsky
Pág. 28 - 32
We consider blockchain as a new cryptographic primitive. This primitive is defined as an ordered database that allows only the following two types of queries: (a) read the data (by any user) and (b) add a new record to theend of the databa...
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Sarwar Sayeed and Hector Marco-Gisbert
The blockchain is a distributed ledger technology that is growing in importance since inception. Besides cryptocurrencies, it has also crossed its boundary inspiring various organizations, enterprises, or business establishments to adopt this technology ...
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