Results 31 to 40 of about 6,143 (196)

A Geologic Si‐O‐C Pathway to Incorporate Carbon in Silicates

open access: yesGeophysical Monograph Series, Page 47-54., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Alexandra Navrotsky   +2 more
wiley  

+1 more source

An On-Chain Governance Model Based on Particle Swarm Optimization for Reducing Blockchain Forks

open access: yesIEEE Access, 2022
There is a significant drawback associated with blockchain networks in terms of their processing speed, which is one of the biggest. Due to the fact that sharding has the capability of solving this problem, the scalability of the network can be increased.
Reza Nourmohammadi, Kaiwen Zhang
doaj   +1 more source

VHT: Vertical Hoeffding Tree

open access: yes, 2016
IoT Big Data requires new machine learning methods able to scale to large size of data arriving at high speed. Decision trees are popular machine learning models since they are very effective, yet easy to interpret and visualize.
Bifet, Albert   +3 more
core   +1 more source

FastPay: High-Performance Byzantine Fault Tolerant Settlement [PDF]

open access: yes, 2020
FastPay allows a set of distributed authorities, some of which are Byzantine, to maintain a high-integrity and availability settlement system for pre-funded payments.
Baudet, Mathieu   +2 more
core   +1 more source

JaxNet: Scalable Blockchain Network [PDF]

open access: yes, 2020
Today's world is organized based on merit and value. A single global currency that's decentralized is needed for a global economy. Bitcoin is a partial solution to this need, however it suffers from scalability problems which prevent it from being mass ...
Emelyanenko, Taras   +3 more
core   +1 more source

Recent Advances in Sharding Techniques for Scalable Blockchain Networks: A Review

open access: yesIEEE Access
Blockchain is a technology that has gained popularity in recent years due to its immutability and decentralized features. Various industries have started integrating this technology into their business models, resulting in the development of various ...
Brandon Liew Yi Quan   +6 more
doaj   +1 more source

Hierarchical Multi-Blockchain System for Parallel Computation in Cryptocurrency Transfers and Smart Contracts

open access: yesApplied Sciences, 2021
Most of the existing smart-contract-based cryptocurrencies, such as Ethereum, use an account-based ledger. However, while the account-based model is advantageous for the efficient use of smart contracts and the increased exchangeability of ...
Nam-Yong Lee
doaj   +1 more source

A reputation-based dynamic reorganization scheme for blockchain network sharding

open access: yesConnection Science
While sharding technology helps solve performance bottlenecks in traditional blockchain networks, it also introduces new challenges. Random node allocation may lead to uneven distribution of malicious nodes, causing performance differences and security ...
Shuhui Zhang   +4 more
doaj   +1 more source

Self-learning Star Chain Space Adaptive Allocation Method [PDF]

open access: yesJisuanji kexue
Blockchain sharding technology is an effective method to improve the throughput of blockchain systems.Existing blockchain sharding methods mostly adopt parallel architecture sharding schemes,which have not solved the problem of high cross-shard ...
DU Likuan, LIU Chen, WANG Junlu, SONG Baoyan
doaj   +1 more source

Scaling Blockchains: A Comprehensive Survey

open access: yesIEEE Access, 2020
Blockchain (e.g., Bitcoin and Ethereum) has drawn much attention and has been widely-deployed in recent years. However, blockchain scalability is emerging as a challenging issue. This paper outlines the existing solutions to blockchain scalability, which
Abdelatif Hafid   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy