Results 1 to 10 of about 696,109 (263)

Trapdoor proof of work [PDF]

open access: yesPeerJ Computer Science
Consensus algorithms play a crucial role in facilitating decision-making among a group of entities. In certain scenarios, some entities may attempt to hinder the consensus process, necessitating the use of Byzantine fault-tolerant consensus algorithms ...
Vittorio Capocasale
doaj   +7 more sources

Proof of Pseudonym: Blockchain-Based Privacy Preserving Protocol for Intelligent Transport System

open access: yesIEEE Access, 2021
Intelligent Transportation System is the future for safe and secure transportation. Vehicles in the ITS share basic safety information which can prompt the disclosure of the real identity of the vehicles.
S. Johar, N. Ahmad, A. Durrani, G. Ali
doaj   +1 more source

Blockchain Technology – Support for Collaborative Systems [PDF]

open access: yesInformatică economică, 2020
Blockchain technology is one of the most promising new technology, a new approach in data registration and distribution, and represents a new paradigm for how information is shared.
Gheorghe MATEI
doaj   +1 more source

Evolution of blockchain consensus algorithms: a review on the latest milestones of blockchain consensus algorithms

open access: yesCybersecurity, 2023
Blockchain technology has gained widespread adoption in recent years due to its ability to enable secure and transparent record-keeping and data transfer.
Ziad Hussein   +2 more
doaj   +1 more source

Analysis of existing decision-making mechanisms in decentralized systems for government procurement use

open access: yesТехнічна інженерія, 2023
Existing mechanisms for the Proof-of-Stake and Proof-of-Work decision-making systems in blockchains are thoroughly studied and compared at work. Consensus methods are considered a process of agreeing on a new block that is subsequently added to the ...
O.V. , M.S.
doaj   +1 more source

NONLINEAR PROOF-OF-WORK: IMPROVING THE ENERGY EFFICIENCY OF BITCOIN MINING

open access: yesJournal of Construction Project Management and Innovation, 2020
Bitcoin is probably the most well-known blockchain system in existence. It employs the proof-of-work (PoW) consensus algorithm to add transactions to the blockchain. This process is better known as Bitcoin mining.
Riaan Bezuidenhout   +2 more
doaj   +1 more source

A Blockchain Consensus Protocol Based on Dedicated Time-Memory-Data Trade-Off

open access: yesIEEE Access, 2020
A problem of developing the consensus protocols in public blockchain systems which spend a combination of energy and space resources is addressed. A technique is proposed that provides a flexibility for selection of the energy and space resources which ...
Miodrag J. Mihaljevic
doaj   +1 more source

Competing Miners: A Synergetic Solution for Combining Blockchain and Edge Computing in Unmanned Aerial Vehicle Networks

open access: yesApplied Sciences, 2022
Edge computing (EC) is very useful and particularly promising for many practical unmanned aerial vehicle (UAV) applications. Integrating the blockchain to this technology strengthens privacy protection and data integrity and also prevents data from being
Jacob Mathias Nilsen   +4 more
doaj   +1 more source

A Survey on Blockchain Consensus with a Performance Comparison of PoW, PoS and Pure PoS

open access: yesMathematics, 2020
Blockchain technology started as the backbone for cryptocurriencies and it has emerged as one of the most interesting technologies of the last decade. It is a new paradigm able to modify the way how industries transact.
Cristian Lepore   +5 more
doaj   +1 more source

Difficulty Scaling in Proof of Work for Decentralized Problem Solving

open access: yesLedger, 2020
We propose DIPS (Difficulty-based Incentives for Problem Solving), a simple modification of the Bitcoin proof-of-work algorithm that rewards blockchain miners for solving optimization problems of scientific interest.
Pericles Philippopoulos   +2 more
doaj   +1 more source

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