scholarly journals Proposing a reliable method of securing and verifying the credentials of graduates through blockchain

2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
T. Rama Reddy ◽  
P. V. G. D. Prasad Reddy ◽  
Rayudu Srinivas ◽  
Ch. V. Raghavendran ◽  
R. V. S. Lalitha ◽  
...  
Keyword(s):  
Management System ◽  
Reliable Method ◽  
Feasible Solution ◽  
The Other ◽  
Test Results ◽  
Digital Form ◽  
Knowledge And Skills ◽  
Certification System ◽  
Blockchain Technology ◽  
Digital Era

AbstractEducation acts as a soul in the overall societal development, in one way or the other. Aspirants, who gain their degrees genuinely, will help society with their knowledge and skills. But, on the other side of the coin, the problem of fake certificates is alarming and worrying. It has been prevalent in different forms from paper-based dummy certificates to replicas backed with database tampering and has increased to astronomic levels in this digital era. In this regard, an overlay mechanism using blockchain technology is proposed to store the genuine certificates in digital form and verify them firmly whenever needed without delay. The proposed system makes sure that the certificates, once verified, can be present online in an immutable form for further reference and provides a tamper-proof concealment to the existing certification system. To confirm the credibility of the proposed method, a prototype of blockchain-based credential securing and verification system is developed in ethereum test network. The implementation and test results show that it is a secure and feasible solution to online credential management system.

scholarly journals Proposing A Reliable Method of Securing and Verifying the Credentials of Graduates through Blockchain

2020 ◽  
Author(s):  
Rama Reddy T ◽  
Srinivas Rayudu ◽  
Raghavendran Ch V ◽  
Lalitha R.V.S. ◽  
Annapurna B
Keyword(s):  
Management System ◽  
Reliable Method ◽  
Feasible Solution ◽  
The Other ◽  
Test Results ◽  
Digital Form ◽  
Knowledge And Skills ◽  
Certification System ◽  
Blockchain Technology ◽  
Digital Era

Abstract Education acts as a soul in the overall societal development, in one way or the other. Aspirants, who gain their degrees genuinely, will help society with their knowledge and skills. But the other side of the coin, the problem of fake certificates, is alarming and worrying. It has been prevalent in different forms from paper-based dummy certificates to replicas backed with database tampering and has increased to astronomic levels in this digital era. In this regard, an overlay mechanism using Blockchain technology is proposed to store the genuine certificates in digital form and verify them firmly whenever needed without delay. The proposed system makes sure that the certificates, once verified, can be present online in an immutable form for further reference and provides a tamper-proof concealment to the existing certification system. To confirm the credibility of the proposed method, a prototype of blockchain-based credential securing and verification system is developed in ethereum test network. The implementation and test results show that it is a secure and feasible solution to online credential management system.

scholarly journals Enhancement of Security and Handling the Inconspicuousness in IoT Using a Simple Size Extensible Blockchain

Energies ◽  
2020 ◽  
Vol 13 (7) ◽  
pp. 1795 ◽  
Author(s):  
B. Saravana Balaji ◽  
P. Vishnu Raja ◽  
Anand Nayyar ◽  
P. Sanjeevikumar ◽  
Sanjeevi Pandiyan
Keyword(s):  
Smart Home ◽  
Feasible Solution ◽  
Optimal Solution ◽  
The Other ◽  
Extraction Operation ◽  
Distributed Environment ◽  
Blockchain Technology ◽  
Shared Time ◽  
Novel Algorithms ◽  
The Internet Of Things

Blockchain technology is increasingly used worldwide to enhance the performance and profit of any environment through its defining characteristics, such as security, auditability, immutability, and inconspicuousness. Owing to these characteristics, the blockchain can be used in various non-financial operations of some domains, such as the Internet of Things (IoT) and distributed computing. However, implementing blockchain technology in IoT is not always a feasible solution because blockchain deployment is costly, it has limited extensibility and provides irregular bandwidth and latency. In this regard, a simple size extensible (SSE) blockchain has been proposed to provide an optimal solution for IoT environments by satisfying the needs of the IoT environment as well as ensuring end-to-end security. The implementation of the proposed blockchain develops an overlay network to obtain a distributed environment where the blockchain is handled by the resources present therein. Two novel algorithms were introduced into the proposed system to minimize the irregularity and latency on one hand, and to maximize the throughput of the system on the other. The shared-time depending agreement algorithm (STD) minimizes the irregularity in the extraction operation and latency. The other, the shared throughput administration algorithm (STA) justifies the overall collection of the transmission load in the network and maintains the performance of the blockchain. The proposed system was applied to smart home IoT appliances to test the performance of the proposed system. The experimental results show that the proposed blockchain system minimizes nearly 70% of the data irregularity, latency, and furthermore, 30% of the blockchain extensibility is maximized as compared to the existing systems.

Bitcoin Generation using Blockchain Technology

2018 ◽  
Vol 2 (3) ◽  
pp. 127 ◽  
Author(s):  
Balajee Maram
Keyword(s):  
Distributed Model ◽  
Generation Process ◽  
Distributed Architecture ◽  
Digital Form ◽  
Client Server ◽  
Blockchain Technology ◽  
Digital Era ◽  
The World ◽  
Digital Transactions ◽  
A Chain

There are limitations in client-server model of communication. Distributed architecture provides good accessibility to all the nodes in the network. A blockchain technology is follows distributed model. In the digital era, all the transactions are available in the digital form is called a ledger. This ledger belongs to all the users in the network are shared by all the users in the network. Every transaction is monitored and verified by every user in the network. The blockchain is a chain of blocks that contains a collection of transactions. Bitcoin is a cryptocurrency, depends on blockchain technology. The Bitcoins are generated from the mining of a block for the miner. Every user knows about each and every Bitcoin transaction in the blockchain network. The block is immutable, because every block is verified by each customer in the blockchain network. This is the initiation for new trend for security to the digital transactions in the world. This paper presents the logic in the blockchain and Bitcoin generation process using blockchain technology.

PENGGUNAAN RINFOCAL SEBAGAI APLIKASI PENGINGAT (REMINDER) KEGIATAN AKADEMIK PADA PERGURUAN TINGGI

CCIT Journal ◽  
2015 ◽  
Vol 9 (1) ◽  
pp. 13-26
Author(s):  
Indri Handayani ◽  
Qurotul Aini ◽  
Yessy Oktavyanti
Keyword(s):  
Daily Life ◽  
Human Life ◽  
The Other ◽  
Digital Form ◽  
Mind Mapping ◽  
Literature Reviews ◽  
Schedule Time

      Progress of technology and its developed is going so rapidly nowadays and it provide big affect on human life, some of them were education and daily life. Due to its development we also know the other form of calendar which is in digital form that we usually found in gadgets such as handphone or tablets and surely it is portable. Rinfo which is an email supporting facilities for the needs of Raharja College may help Pribadi Raharja in coordination and communication about task and/or event. Rinfo has some applications that integrated with Rinfo itself, such as RinfoGroup, RinfoSites, RinfoDocs, RinfoDrive, RinfoH and RinfoCal. RinfoCal is an calendar application that can be use as schedule time reminder application and it will send any reminder not only to one person but some or couple persons. RinfoCal may sent an pop-up notification or email notification. This paper will discuss about what is RinfoCal, how to use it, what’s the purpose of using RinfoCal, benefit of RinfoCal and so on. But, instead of its benefit, there are also some shortages including many people who using Rinfo doesn’t get the benefit of RinfoCal because they just pretending that RinfoCal is just an usual calendar.  This paper also present six problems from conventional reminder that will solved by RinfoCal fews are just doing reminders only once at a time or just remembering only one person, a mind mapping to simplify the analyze of problem and make the best solution, eight literature reviews that had been done to help analyzing problems of research. 

Adding an expansive agent to increase the toughness of steel fibre reinforced concrete

2019 ◽  
Vol 26 (4) ◽  
pp. 197-208
Author(s):  
Leo Gu Li ◽  
Albert Kwok Hung Kwan
Keyword(s):  
Reinforced Concrete ◽  
Steel Fibre ◽  
The Other ◽  
Fibre Reinforced Concrete ◽  
Test Results ◽  
Compressive Properties ◽  
Shrinkage Cracking ◽  
Steel Fibre Reinforced Concrete ◽  
Expansive Agent ◽  
Concrete Matrix

Previous research studies have indicated that using fibres to improve crack resistance and applying expansive agent (EA) to compensate shrinkage are both effective methods to mitigate shrinkage cracking of concrete, and the additions of both fibres and EA can enhance the other performance attributes of concrete. In this study, an EA was added to fibre reinforced concrete (FRC) to produce concrete mixes with various water/binder (W/B) ratios, steel fibre (SF) contents and EA contents for testing of their workability and compressive properties. The test results showed that adding EA would slightly increase the superplasticiser (SP) demand and decrease the compressive strength, Young’s modulus and Poisson’s ratio, but significantly improve the toughness and specific toughness of the steel FRC produced. Such improvement in toughness may be attributed to the pre-stress of the concrete matrix and the confinement effect of the SFs due to the expansion of the concrete and the restraint of the SFs against such expansion.

La gestion forestière écosystémique multifonctionnelle et son importance pour la biodiversité (essai) | Multifunctional forest ecosystem management and its importance for biodiversity (essay)

2010 ◽  
Vol 161 (8) ◽  
pp. 311-315
Author(s):  
Jean-Philippe Schütz ◽  
Brice de Turckheim
Keyword(s):  
Ecosystem Management ◽  
Basic Principle ◽  
Forest Ecosystem ◽  
Sustainable Management ◽  
Management System ◽  
The Other ◽  
Carbon Management ◽  
Gestion Forestière ◽  
Forest Ecosystem Management

The basic principle of Pro Silva silviculture is to be multifunctional and to seek to combine into a harmonious whole all the benefits provided by the forest. It is thus a management system constantly adapted to follow the evolution of different needs and requirements. On the occasion of the International Year of Biodiversity, it is here explained why this form of management meets in an optimal manner the interests of biodiversity without however pushing into the background the other functions, in particular carbon management. Intrinsically it corresponds to the principles of sustainable management, maintaining the balance between economic, social and ecological interests.

Development of a Mobile Time Banking system on Blockchain (MTBB) for Community Elderly Care (Preprint)

2019 ◽  
Author(s):  
Hungyi Chen ◽  
Yuan-Chia Chu ◽  
Feipei Lai
Keyword(s):  
Care Service ◽  
Elderly Care ◽  
Banking System ◽  
The Elderly ◽  
Community Services ◽  
The Other ◽  
Smartphone App ◽  
Smartphone Apps ◽  
Member Service ◽  
Blockchain Technology

BACKGROUND Time banking is a good mechanism to provide elderly care in community services with members having mutual benefits, besides social welfare and out-of-pocket fee payment mechanisms. With further integration with off-line works, mobile time banking may provide a better way, compared to traditional web access. On the other hand, blockchain technology has been long encountering difficulty in integrating with real-world economies or activities. Development of a mobile time banking system on blockchain (MTBB) may provide a realistic solution for community elderly care. Besides, the tracking mechanism from blockchain technology itself may also help track the elderly care service transaction records in order to measure better Sustainable Development Goals (SDGs) set by United Nations (UN). OBJECTIVE The aim of this study was to develop the MTBB, which enables tracking service transaction records in community elderly care through mutual helps. METHODS The MTBB was developed to empower organizations, either Corporate Social Responsibility (CSR) organizations, or Non-Profit Organizations (NPOs), to issue time tokens of their proprietary token types to the members who participate in the volunteer activities organized by the organizations respectively. In the service activities, members sign in and sign out before and after the services by using a smartphone app, and then get the time tokens afterwards. Members with time tokens can then exchange time tokens for elderly care services using the same smartphone app. MultiChain is used as the blockchain technology stack, as one of its features to support multiple token types is critical. RESULTS Database applications with smartphone apps integrated with MultiChain were developed. The whole set of the database schema was integrated with two smartphone apps, one for members, and the other for organizations, in addition to the two backend operations modules, one for organizations, and the other for managing all organizations and members. The MultiChain wallet was also integrated into the member app, as well as the organization backend modules for keeping track of the service transactions and time tokens. Metadata with the service transaction information is stored in the MultiChain blocks so that the transaction records are immutable and can thus be analyzed in the future. CONCLUSIONS The twelve characteristics of Cahn’s time banking are the guidelines of developing this MTBB with integration of MultiChain blockchain technology for tracking service transaction records. The study also combines the 1-to-1 member service exchange with organizations holding volunteer activities and issuing proprietary time tokens. With the blockchain transaction tracking mechanism, all of the elderly care service records through or within organizations can be tracked and analyzed to align with UN’s five SDGs.

scholarly journals Best Practices in Assessment in Journalism Programs

2020 ◽  
Vol 75 (1) ◽  
pp. 52-57
Author(s):  
Felix Wao ◽  
Angela Romano ◽  
Marie Hardin
Keyword(s):  
Best Practices ◽  
The Other ◽  
Knowledge And Skills ◽  
Effective Assessment

Journalism programs face many challenges today as they work to prepare students with the knowledge and skills to enter the ever-changing journalism industry. On one hand, programs need to determine whether students are learning the competencies their program designers have identified as essential to the field. On the other, students need to demonstrate the mastery of those skills before graduation. One of the best ways to measure these achievements is through the development and implementation of effective assessment processes. Syndicate 8 focused on this process.

scholarly journals Evaluating Presence/Absence of Target Microbes in Microbiological Tests

2000 ◽  
Vol 83 (6) ◽  
pp. 1429-1434
Author(s):  
Robert J Blodgett ◽  
Anthony D Hitchins
Keyword(s):  
Performance Studies ◽  
Collaborative Study ◽  
False Negative ◽  
The Other ◽  
Test Results ◽  
Logistic Curve ◽  
Microbiological Method ◽  
Test Portion ◽  
Method Performance ◽  
Data Set

Abstract A typical qualitative microbiological method performance (collaborative) study gathers a data set of responses about a test for the presence or absence of a target microbe. We developed 2 models that estimate false-positive and false-negative rates. One model assumes a constant probability that the tests will indicate the target microbe is present for any positive concentration in the test portion. The other model assumes that this probability follows a logistic curve. Test results from several method performance studies illustrate these estimates.

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