Consensus plays a crucial role in blockchain technology, with the deleted proof of stake (DPoS) consensus mechanism commonly utilized in both public and hybrid chains. However, the current DPoS mechanism faces
Proof of workis the first Blockchain algorithm introduced in the blockchain network. Many blockchain Technologies use this Blockchain consensus model to confirm all of their transactions and produce relevant blocks to the network chain. Thedecentralization ledgersystem collects all the information related...
Strictly speaking, dPoW is not a consensus algorithm because it's not used to achieve consensus on new blocks. Rather, it's a security mechanism that makes blockchains resistant to a 51% attack in which a single entity can control the majority of the hash rate on a blockchain network an...
Proof of Stake (PoS)[25]is aconsensus algorithmthat relies on the crypto-currency of the blockchain user. In a Proof of Stake system, the creator of the next block is determined by a random system that is, in part, dictated by how much crypto-currency a user holds or, in some cases...
Hybrid blockchain technologyMachine learningSurvivabilityThis research aims to integrate IoT with blockchain technology to securely manage and monitor sensitive patient health data in critical care environments, thereby improving the reliability and efficiency of patient monitoring systems. A hybrid blockchain...
It's also the oldest consensus algorithm and is known to work well on blockchains. 2. Delayed Proof of Work Delayed Proof of Work (dPoW) is a modified version of the PoW consensus algorithm. In this consensus method, the blockchain network takes periodic snapshots of itself which are ...
This unique consensus mechanism incorporates time into the blockchain to reduce the load on network nodes during block processing. It operates like a cryptographic time stamp. This process eliminates solving for the time of transactions as it is in the proof of work (PoW) algorithm. For example...
Finally, the C/S architecture used in the PBFT algorithm cannot dynamically sense the number of nodes. With the increase in the number of nodes, the performance drops sharply, which is not suitable for large-scale dynamic networks, limiting the application of blockchain technology in financial ...
LDC: A lightweight dada consensus algorithm based on the blockchain for the industrial Internet of Things for smart city applications A lightweight data consensus algorithm for the Industrial Internet of Things (IIoT) based on blockchain technology is proposed to ensure secure data transm... W ...
Exploring diverse education data applications through blockchain technology can offer innovative methods for smart education. Among them, storing multi-pla