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针对Hyperledger Fabric使用固定背书节点处理交易所带来的安全风险和性能瓶颈问题,提出了一种非交互、可验证的随机化背书节点优化方案.基于“背书−排序−验证”的Hyperledger fabric共识模型,引入背书节点候选集,使用可验证随机函数随机抽取背书节点进行交易背书,实现了背书节点的非交互式可验证随机选取和背书过程的并行处理.分析和实验表明,优化后的共识机...
Design of Anonymous Endorsement System in Hyperledger Fabric
Permissioned Blockchain Hyperledger Fabric Anonymous Endorsement System
2019/6/26
Permissioned Blockchain has become quite popular with enterprises forming consortium since it prioritizes trust over privacy. One of the popular platforms for distributed ledger solution, Hyperledger ...
Patterns in the Fabric of Nature
space time constraints quantum classical cosmology locality nonlocality EPR
2016/5/31
From classical mechanics to quantum field theory, the physical facts at one point in space are held to be independent of those at other points in space. I propose that we can usefully challenge this o...
A Low-Power Field-Programmable Gate Array Routing Fabric
Field-programmable gate arrays (FPGAs) lowpower performance analysis routing architecture/fabric
2015/8/12
This paper describes a new programmable routing fabric for field-programmable gate arrays (FPGAs). Our results show that an FPGA using this fabric can achieve 1.57 times lower dynamic power consumptio...
The Contributions of Abyssal Hill Morphology and Noise to Altimetric Gravity Fabric
Noise Altimetric Gravity Fabric
2015/7/29
Earth's deep seafloor is, for the most part, a vast, unexplored terrain. Only a miniscule fraction has ever been observed directly, using deep submersibles and remotely operated vehicles. Most of our ...
LAF-Fabric: a data analysis tool for Linguistic Annotation Framework with an application to the Hebrew Bible
LAF-Fabric data analysis tool Linguistic Annotation Framework the Hebrew Bible
2015/5/6
The Linguistic Annotation Framework (LAF) provides a general, extensible stand-off markup system for corpora. This paper discusses LAF-Fabric, a new tool to analyse LAF resources in general with an ex...
Study of the knife stab and puncture-resistant performance for shear thickening fluid enhanced fabric
Shear thickening fluid Kevlar fabric knife stab resistance puncture resistance liquid body armor
2015/3/24
This work developed a shear thickening fluid enhanced fabrics and the influence of the shear thickening fluid types on the knife stab and puncture resistance performance were investigated. The rheolog...
Microscale strain partitioning? Differential quartz crystallographic fabric development in Phyllite, Hindu Kush, Northwestern Pakistan
Space the fabrics of quartz c axis the overall structure quartz grains
2015/1/6
Spatially referenced quartz c axis fabrics demonstrate the preservation of multiple, distinct fabrics in a specimen collected from northwestern Pakistan. The overall fabric yielded by the specimen is ...
Heterogeneous Graphene Nanoribbon-CMOS Multi-State Volatile Random Access Memory Fabric
Graphene GNTRAM heterogeneous memory multistate memory graphene nanoribbons
2014/12/8
CMOS SRAM area scaling is slowing down due to several challenges faced by transistors at nanoscale such as increased leakage. This calls for new concepts and technologies to overcome CMOS scaling limi...
Tectonic and petrogenetic evolution of sub-horizontal granulite-grade fabric in lower continental crust: Constraints on lower crustal flow from the western Canadian Shield
Crustal flow orogeny the andes the Himalayas the earth's crust granulite
2014/10/22
Ductile, weak flow of continental lower crust is inferred for a number of orogenic systems, including the Andes and the Himalayan-Tibetan system. Sub-horizontal, high-temperature fabrics in rare expos...
Determination of oxygen permeability of polyethylene and polypropylene nonwoven fabric foils
gas transmisivity equipment construction packaging mulching
2014/2/24
The paper deals with determination of oxygen permeability of the polyethylene and polypropylene foils applied in
mulching and food packaging. The construction of the equipment of measurement of gas ...
Nasics: A `Fabric-Centric' Approach Towards Integrated Nanosystems
Emerging Technology Nano-fabric Nanoscale Manufacturing NASICs post-CMOS computing systems Semiconductor Nanowires
2014/11/7
This dissertation addresses the fundamental problem of how to build computing systems for the nanoscale. With CMOS reaching fundamental limits, emerging nanomaterials such as semiconductor nanowires, ...
Water treatment by sedimentation and slow fabric filtration using Moringa oleifera seeds
Moringa oleifera slow filtration sedimentation purification of water
2011/1/11
The main objective of this work was to evaluate the suitability and efficiency of a natural coagulant from Moringa oleifera seeds in treating high turbidity water in the processes of slow direct filtr...
Effect of Workwear Fabric Characteristics on the Changes in Tensile Properties of Sewing Threads after Sewing
Tenacity Breaking elongation
2010/9/20
During sewing at high speed, the needle thread is subjected to repeated tensile stresses, heat, bending, pressure, torsion and wearing. These stresses act on the thread repeatedly and the thread passe...
Sediment Fabric and Anisotropy of Hydraulic Conductivity in Sandy Till,Wisconsin, U.S.A.
Sediment Fabric Anisotropy of Hydraulic Conductivity
2009/10/23
The orientation of macroscopic and n~icroscopic particles in silty, sandy basal
till appears to have little effect on aquifer anisotropy. The orientation of 108
elongate pebble and cobble-sized part...