Blockchain Papers

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118 papersLast indexed Aug 31, 2026
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Dec 25, 2020·Jurnal Ilmiah Komputasi
4 cites
Prediksi Mata Uang Bitcoin Menggunakan LSTM Dan Sentiment Analisis Pada Sosial Media

Andreean Dharma Arisandi, Ferdiansyah Ferdiansyah, Linda Atika, Edi Surya Negara · 5 authors

Cryptocurrency adalah mata uang digital dimana transaksi dapat dilakukan dengan transaksi online. Salah satu jenisnya yaitu bitcoin. Bitcoin adalah salah satu mata uang elektronik yang bersifat desentralisasi (tidak terpusat) dan tidak diatur atau dijamin oleh otoritas pusat. Harga Bitcoin sangat ekuktuatif dan sering kali membuat resah pengguna dan investor Bitcoin. Oleh karena itu, diusulkan sebuah metode atau sistem prediksi harga Bitcoin dengan mempelajari pola dan tingkah laku data time series harga historisnya. Dalam Penelitian ini, kontribusi utamanya yaitu analisis sentimen yang dapat membedakan tweet positif dan negatif dari bitcoin di twitter dengan akurasi 80.00%. Dengan model LSTM yang dapat memprediksi harga Bitcoin pada hari berikutnya dengan mempertimbangkan harga historis dan skor sentimen positif dan negatif. Namun teknik ini memerlukan parameter yang tepat untuk mendapatkan hasil prediksi yang akurat. Hasil yang didapatkan dari penelitian ini, menunjukkan jika sistem yang akan dibangun nantinya dapat melihat nilai bitcoin dengan lebih baik lagi. Setelah di evaluasi dengan RMSE didapatkan nilai 335.201882 dengan epoch 10. Semakin kecil RMSE maka semakin baik performansi modelnya terhadap data testing

Open access
Data Mining and Machine Learning Applications
Multimedia Learning Systems
Information Retrieval and Data Mining
Original source
Dec 8, 2020·International Journal of Advanced Research
2 cites
BLOCKCHAIN AS AN E-VOTING TOOL

Jihad Fraij, Ashraf ALDabbas, Nemer Aburumman

Blockchain as a distributed system that confirms security and reliability have started a new era of a solid and consensus system.Blockchains focus on cryptocurrency is encouraging many other processes to follow the same reliable approach of security.Almost all procedures and operations are now invited to be electronically performed in the digital Ethereum network that has been presented. Moreover, this study proposed the use of an Ethereum network on a blockchain platform in the study when it was moved to a blockchain network to confirm transparency.An E-voting system sample has been tested by using an Ethereum network smart contracts inwhich solidity language and wallets were used. In the voting test, the Ethereum blockchain will be able to collect records in which voters can use their Ethereum wallets or android devices to submit their votes in a consensus node.The researchers studied the voting system taking Jordan as a case study.This study recommended the adaptation of e-voting to support transparency and voters trust to reduce corruption and unreliability in the voting processes. Moreover, the use of this system will allow a voter to vote from home in the time of the pandemic.\n\n

Open access
2 source records
Blockchain Technology Applications and Security
Internet Traffic Analysis and Secure E-voting
Privacy, Security, and Data Protection
Original source
Dec 5, 2020·Jurnal Ilmiah Teknologi Informasi dan Robotika
16 cites
Analisis Sentimen Twitter Terhadap Bitcoin dan Cryptocurrency Berbasis Python TextBlob

Rizky Parlika, Sunu Ilham Pradika, Amir Muhammad Hakim, Kholilul Rachman N.M

Teknologi Cryptocurrency saat ini sangat berkembang ditandai dengan banyaknya orang yang mau berpartisipasi untuk menjadi bagian di dalamnya. Salah satu Cryptocurrency yang terkenal adalah Bitcoin. Namun, bagi sebagian orang tentu tidak mengerti apa itu Bitcoin dan bagaimana cara kerjanya. Sehingga, hal itu membuat mereka ragu untuk ikut turut serta menjadi bagian dalam teknologi ini. Sehingga perlu dibuat sebuah analisis sentimen mengenai teknologi ini sehingga dapat memberi pengetahuan apa itu sesungguhnya Bitcoin. Melalui Twitter, analisis sentimen dapat dilakukan guna mencari tahu bagaimana pendapat banyak orang mengenai Bitcoin. Hal ini dapat dilakukan dengan memanfaatkan API yang disediakan oleh Twitter untuk mengumpulkan data berupa tweets. Kemudian, melakukan analisis sentimen menggunakan library Python untuk mengklasifikasikan suatu tweet menjadi positif, negatif, atau netral. Dari hasil klasifikasi menggunakan dataset yang berjumlah 3433 data didapatkan bahwa 41,3% diklasifikasikan positif, 44,9% netral, dan 13,7% negatif. Lalu, untuk visualisasi dari keseluruhan pendapat orang-orang mengenai Bitcoin dapat dibentuk dengan menggunakan Word Cloud sehingga hanya akan muncul kata-kata penting yang berhubungan dengan Bitcoin. Diharapkan setelah penelitian ini dilakukan dapat dilihat bagaimana pendapat orang-orang khususnya pengguna Twitter mengenai Bitcoin.

Open access
Information Retrieval and Data Mining
Blockchain Technology in Education and Learning
Data Mining and Machine Learning Applications
Original source
Dec 1, 2020·IOP Conference Series Materials Science and Engineering
16 cites
Highly Secured Blockchain Based Electronic Voting System Using SHA3 and Merkle Root

S. Sowmiyasree Dr.L.Aruna, M. Maheswari, A. Saranya

Abstract Over the course of time, electronic voting has evolved as a substitute for paper ballot voting to decrease redundancies and inconsistencies. Due to the many security and privacy vulnerabilities experienced over time, the past results of e-voting in the last three decades indicate that it has not been very successful. All cryptocurrencies are actually based on block chain. Block chain is based on the principle of distribution and decentralization. It is a continuous and continuously growing ledger that holds, in a secure, chronological and immutable way, a permanent record of all the transactions that have taken place. Value in a block chain can be anything. In the case of cryptocurrencies, it takes the meaning of money or currency. While in a game it takes the form of points or score. The value can take the form of a vote or a ballot while e-voting. The blockchain can be used in this article to pass votes between two parties. In our case, the electorate is one party and the candidate who earns the vote is the other. Without having a controlling central authority body, the block chain can be implemented in a more stable manner in mass electoral voting practise. A voting system that uses a more stable, tamper-proof block chain (immutable to voting modifications either by other voters or by any third party) and is cost-effective.

Open access
Internet Traffic Analysis and Secure E-voting
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Original source
Jul 29, 2020·Jurnal Transformatika
6 cites
Implementation of Smart Contracts Ethereum Blockchain in Web-Based Electronic Voting (e-voting)

Ajib Susanto

The increasing of digital technology today has helped many people to fulfill their needs. But the election system, still conventionally using paper in its implementation. Elections in general still use a centralized system, where there is an organization that manages it. Some of the problems that may occur in traditional electoral systems are that there are organizations that have full control over the database and system, so the possibility of hacking the database is quite a big opportunity.Blockchain innovation is one arrangement that can be utilized in light of the fact that it has a decentralized framework and the whole database is duplicated by all clients. Blockchain itself has been used by Bitcoin and Ethereum cryptocurrency which is known as a decentralized system. By using the blockchain in database recording on an e-voting system can reduce one source of fraud that is database manipulation. This study discusses the recording of voting data using blockchain technology. The implementation of Smart Contracts contained in the Ethereum Blockchain will be implemented to create this voting system

Open access
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Internet Traffic Analysis and Secure E-voting
Original source
Jun 11, 2020·Go Infotech Jurnal Ilmiah STMIK AUB
1 cites
Aplikasi Perdagangan Bitcoin Otomatis Berbasis Web

Paryanta Paryanta, Budi Sumboro, S.S. M.Hum Hastanti Widhi Nugroho

<p><em>Market place </em>bitcoin adalah suatu bentuk pasar komoditas tempat bertemunya penjual dan pembeli bitcoin, meskipun tidak benar-benar berwujud seperti pasar yang biasa kita kenal. Akan tetapi, terdapat berbagai hambatan yang dapat mengganggu kenyamanan dan kestabilan <em>profit </em>saat <em>trading </em>manual di pasar bitcoin<em> </em>yaitu kurangnya pengalaman, tekanan psikologis, seperti rasa serakah, terlalu percaya diri, tidak sabar, emosi, dan juga <em>trader </em>harus terus-menerus di depan komputer untuk menjaga dan mengkontrol situasi di pasar. Pembuatan aplikasi<em> </em>berisi tentang sistem <em>trading </em>menggunakan indikator <em>Moving Average,</em> <em>Relative Strenght Index, </em>dan <em>Bollinger Bands. </em>Aplikasi ini dibuat untuk di implementasikan dalam <em>Website </em>dengan bahasa <em>PHP. AJAX </em>yang diaplikasikan pada Aplikasi<em> </em>sekaligus sebagai <em>Function </em>agar data yang didapat secara <em>realtime. </em>Hasil dari perancangan aplikasi ini telah tercipta sebuah aplikasi yang dapat membantu <em>trader </em>dan berguna untuk mempermudah kinerja <em>trader </em>di pasar bitcoin. Pengguna aplikasi ini adalah para <em>user </em>yang telah melakukan <em>registrasi </em>pada <em>market place</em> dengan membuka <em>account</em>, tidak terbatas pada trader pemula, juga <em>trader </em>professional.</p>

Open access
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Multimedia Learning Systems
Original source
Apr 30, 2020·IJCCS (Indonesian Journal of Computing and Cybernetics Systems)
52 cites
Application of Blockchain Technology for iLearning Student Assessment

Sudaryono Sudaryono, Qurotul Aini, Ninda Lutfiani, Firman Hanafi · 5 authors

Blockchain is the core technology used to create cryptocurrencies, such as Bitcoin. As one part of the fourth industrial Revolution since the invention of steam engines, electricity, and information technology, blockchain technology has begun to be applied in areas such as finance, judiciary, and trade. Blockchain technology uses decentralized, distributed and transparency techniques for data security. This research aims to determine the implementation of blockchain technology in the field of education, especially in the Data Security section. The study uses two methods namely the mind mapping method and literature review. The results of this study showed that with the presence of blockchain technology, the data is more secure from attacks from both inside and outside because it passes through two levels of security, namely encryption and decentralized data.

Open access
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Multimedia Learning Systems
Original source
Apr 16, 2020·Zenodo (CERN European Organization for Nuclear Research)
0 cites
Blockchain Recent Articles in 2020

Noor Abdalkarem Mohammedali

There is no uncertainty that the chroma currency is very popular for the transaction information stored in the block of blocks. To initiate the importance of blocking, there is only one distributed ledger in which data is stored, since many of the centers in the blockchain network limit enough records for these records. This document proposes a decision-making framework based on innovation to create a secure, unjustifiable, accurate and transparent framework for voter privacy. In addition, it is voted and declared in this context that the race has a short period of time, since it is automatically registered in the table. This framework also gives society confidence in its legislation when applying this technique. In this framework, an administrator can add a candidate and a voter to the block. In different hands, a voter can log into the framework and then decide in favor of a candidate that the details of the vote should be stored in the block. In addition, each square in the blockchain innovation that relates to the previous square contains the hash of the previous square, and each square contains explicit data based on the square footage. The hub is connected by a peer network in this framework, with all the hubs in the block site network that have a complete duplicate block.

Open access
Blockchain Technology Applications and Security
Information Retrieval and Data Mining
Blockchain Technology in Education and Learning
Original source
Mar 30, 2020·Jurnal Ilmiah Komputasi
1 cites
Electronic Voting Using Decentralized System Based on Ethereum Blockchain

D.Jyothi Reddy, B. Vineetha Lakshmi, G.Smily Srinidhi, B.Udayasri · 5 authors

Pemilihan Suara Secara Elektronis Menggunakan Sistem Terdesentralisasi Berbasis Blockchain Ethereum merupakan suatu sistem yang dibuat dalam bentuk aplikasi yang dapat digunakan dalam pemilihan umum. Hal ini dilakukan untuk menyelesaikan masalah yang dimiliki oleh sistem pemilihan suara secara elektronis yang konvensional dimana integritas data belum terjamin dan data hasil suara kemungkinan dapat dirubah oleh pihak tertentu. Masalah ini dapat diselesaikan dengan membuat sistem pemilihan suara secara elektronik yang menyimpan data hasil suara pada blockchain agar integritas data dapat terjamin. Pembuatan sistem ini dilakukan menggunakan bahasa Solidity, bahasa pemrograman yang sudah Turing Complete pada Ethereum. Source code yang dijalankan akan di kompilasi menjadi Bytecode yang kemudian dijalankan pada Ethereum Virtual Machine. Program yang dibuat tersebut kemudian akan di desentralisasi kan menggunakan Blockchain. Hasil nya adalah sistem Electronic Voting yang terdesentralisasi. Sistem ini dapat diakses melalui website https://pemilurt.herokuapp.com/.                                                                                                               Abstract Electronic Voting Using Decentralised System Based On Ethereum’s Blockchain is a system made in the form of application used for Electronic Voting. This is done to solve the current problem on conventional electronic voting system where the integrity of the data can’t be ascertain and the result of the vote can be tampered malicious actors. To solve this problem, an electronic voting system will be built that store the data of election results on blockchain to ensure the integrity of the data. The creation of the system involves using the Solidity language, a Turing Complete programming language used on Ethereum. Source code that will be run will first need to be compiled into Bytecode, which will then in turn run on Ethereum Virtual Machine. The finished program will then be decentralised using Blockchain. The result will be a decentralised Electronic Voting system that can be accessed from the website https://pemilurt.herokuapp.com/.  

Open access
2 source records
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Multimedia Learning Systems
Original source
Feb 29, 2020·Aptisi Transactions On Technopreneurship (ATT)
53 cites
Authentication Of Transaction Process In E-marketplace Based On Blockchain technology

Adiyanto Adiyanto, Rizki Febrianto


 The very rapid development of technology is currently causing a revolution digital and the era of technological disruption or known as industry 4.0. with the presence of this 4.0 industry occurred computer growth and record-keeping automation all fields. This allows every human job to be replaced by robots, causing changes in the trading system that was done directly can now be done online or also known as Marketplace. With trade conducted through the internet, the transaction process is carried out on a traditional or directly, is now turning to the digital transaction process through Internet. The transaction process carried out digitally requires accuracy, security, and good trust between seller and buyer. Management Customer Relations or better known as Customer Relationship Management (CRM) is one model that can be used in maintaining the relationship between the customer and the company. Blockchain technology is technology that is able to maintain the transaction process, to maintain management efficiency identity, tracking system implementation, identifying product authenticity, and synchronization recording data to all parties, is expected to increase trust and the relationship between the customer and the seller.

Open access
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Original source
Jan 1, 2020·Jurnal Ilmiah Informatika Komputer
3 cites
APLIKASI PREDIKSI JANGKA PENDEK HARGA BITCOIN MENGGUNAKAN METODE ARIMA

Nur Fitrian Bintang Pradana, Sri Lestanti

Bitcoin merupakan mata uang digital yang sekarang paling banyak digunakan. Perubahan harga yang sewaktu-waktu dapat berubah membuat pengguna bitcoin harus teliti ketika melakukan penukaran. Kepopuleran bitcoin terus meningkat dan menjadi aset untuk investasi bagi para penggunanya. Untuk mengatasi perubahan harga yang tidak menentu maka dibutuhkan sebuah aplikasi prediksi harga bitcoin untuk membantu para penggunanya dalam memprediksi harga bitcoin kedepannya. Prediksi dilakukan dengan menggunakan metode Autoregressive Integrated Moving Average (ARIMA) yang mampu menghasilkan tingkat akurasi tinggi dalam prediksi jangka pendek. Metode ini mengabaikan variabel independen dalam membuat prediksi, sehingga cocok untuk data statistik saling terhubung serta memiliki beberapa asumsi yang harus dipenuhi seperti autokorelasi, trend, maupun musiman. Evaluasi hasil prediksi menggunakan Mean Absolute Percentage Error (MAPE). Hasil pengujian menujukkan bahwa model ARIMA (3,1,3) menghasilkan prediksi dengan nilai MAPE terkecil daripada kandidat model lainnya. Rata-rata nilai MAPE yang dihasilkan adalah sebesar 0,84 dan rentang nilai 1,34 untuk prediksi hari pertama dan 0,98 untuk prediksi hari ketujuh. Dengan demikian model ARIMA (3,1,3) mampu menghasilkan prediksi dengan akurasi yang baik dan layak untuk digunakan sebagai metode prediksi bitcoin untuk satu sampai tujuh hari kedepan.

Open access
Data Mining and Machine Learning Applications
Multimedia Learning Systems
Information Retrieval and Data Mining
Original source
Jan 1, 2020·SSRN Electronic Journal
9 cites
Smart Contract for Real Estate Using Blockchain

Vaishnavi Reddy, Komal Pawar, Sagar Dhawale, Renuka Pawar · 5 authors

The commercial real estate (CRE) industry appears to take pride in keeping several aspects of its operations private, such as comparable lease rental rates, property prices, and valuations, to create a possible competitive advantage. However, secrets are hard to keep and may not even be desired in today’s hyperconnected and digitized world. In response to greater demand for transparency, technology advancements and the disintermediation by startups are gradually making some of this information public. As a result, property-related information is increasingly available in digital and paper form. However, a significant portion of the digitized information is hosted on disparate systems, which results in a lack of transparency and efficiency, and a higher incidence of inaccuracies that creates a greater potential for fraudulence.[1] This paper aims to present the Blockchain and smart contract for a specific domain which is real estate. Currently, the real estate business online is at risk of fraudulence. The main objective of this project is to create a platform to maintain transparency in the real estate world so that no fraudulent activities can happen due to false contracts. Goal is to create tamper proof systems and to remove third party reliability for transactions. Consensus algorithms such as Proof of Work and Proof of Authority can be used to achieve consensus in the network. Blockchain uses Proof of work concept to ensure transaction denial thus helping remove denial of services. Proof of authority on the other hand ensures only authorized smart contracts pass the system.

Open access
3 source records
Blockchain Technology Applications and Security
FinTech, Crowdfunding, Digital Finance
Information Retrieval and Data Mining
Original source
Dec 16, 2019·Jurnal Informatika Upgris
7 cites
Smart Contract Blockchain pada E-Voting

Ajib Susanto

Teknologi yang semakin berkembang di era globalisasi saat ini salah satunya yaitu e-voting. Hal yang sering dilakukan oleh masyarakat indonesia dalam melakukan e-voting adalah memiliki ketua dalam suatu jabatan contoh paling besar yaitu presiden. Dengan adanya e-voting akan sangat mudah dilaukan. Tetapi selalu ada permasalahan yang terjadi pada hasil pemilihan kandidat yang bisa dimanipulasi oleh siapa saja. Sehingga dari permasalahan yang terjadi dilakukan penelitian terhadap hasil pemilihan untuk mengurangi kecurangan pada pemilihan. Oleh kaena itu, penulis melakukan pengujian pengamanan hasil pemilihan, Dengan melakukan pengujian dengan bahasa pemrogaman Solidity dan smart contract menghasilkan code unik pada setiap pemilihan baru. Sehingga manipulasi hasil pemilihan tidak akan bisa dilakukan karena setiap pemilih hanya memiliki satu account dan satu address blockchain. Dari hasil pengujian penulis lakukan dapat disimpulkan bahwa smart contract blockchain bisa digunakan untuk membuktikan hasil peilihan yang aman dan menciptakan e-voting yang bersifat jurdil

Open access
Blockchain Technology in Education and Learning
Information Retrieval and Data Mining
Multimedia Learning Systems
Original source
Jun 18, 2019·Jurnal Ilmiah FIFO
1 cites
Prediksi Harga Kartu Grafis Yang Dipengaruhi oleh Nilai Bitcoin

Satrio Anggoro Aji Leksono, Zekha Galih Prastyawan, Ionia Veritawati

In economic development, transactions have become the routine of the people. Currently there are many transactions that are growing, one of which is Bitcoin. Bitcoin is one of the technologies of cryptocurreny which is then used. Bitcoin is a digital currency in the open source P2P payment network system. But the value of the Bitcoin body is not fixed, Bitcoin values often change over time. One of the causes of changing the value of Bitcoin is VGA. This role of VGA card to process Bitcoin encryption data because GPU (brain of VGA) has more core to process CPU, increase Bitcoin value and influence graphics card price. In this paper will rise the value of rising and falling value of Bitcoin which affects the price of the graphics card.Keyword: Bitcoin, Cryptocurrency, VGA, GPUAbstrakDalam perkembangan ekonomi, transaksi sudah menjadi rutinitas masyarat. Saat ini sudah banyak jenis transaksi yang berkembang, salah satunya adalah Bitcoin. Bitcoin merupakan salah satu teknologi dari cryptocurreny yang sering digunakan. Bitcoin adalah mata uang digital yang berada di dalam system jaringan pembayaran open source P2P. Namun nilai dari suatu Bitcoin tidak tetap, nilai Bitcoin sering berubah seiring berjalannya waktu. Salah satu penyebab berubahnya nilai dari Bitcoin adalah VGA. Peran VGA card ini untuk memproses enkripsi data Bitcoin karena GPU (otak dari VGA) mempunyai core yang lebih banyak untuk memproses instruksi dalam satu waktu dibandingkan CPU, sehingga naiknya nilai Bitcoin juga mempengaruhi harga kartu grafis. Dalam paper ini akan mengevaluasi perbandingan naik dan turunnya nilai Bitcoin yang mempengaruhi harga kartu grafis.Kata Kunci: Bitcoin, Cryptocurrency, VGA, GPU

Open access
Blockchain Technology in Education and Learning
Multimedia Learning Systems
Information Retrieval and Data Mining
Original source
May 25, 2019·TECHSI - Jurnal Teknik Informatika
4 cites
APLIKASI PERAMALAN KURS BITCOIN-RUPIAH DENGAN MENGGUNAKAN METODE DOUBLE EXPONENTIAL SMOOTHING

Hizamrul Jaen, Eva Darnila, Muhammad Fikry

Perkembangan teknologi meghadirkan banyak inovasi. Salah satu inovasi teknologi adalah berkembangnya Cryptocurrency atau mata uang Kripto. Salah satu jenis Cryptocurrency adalah Bitcoin. Karena beberapa faktor, Bitcoin menjadi terkenal di seluruh dunia, sehingga sering diperdagangkan layaknya perdagangan mata uang pada umumya. Namun karena belum adanya regulasi dari pemerintah, membuat harga bitcoin menjadi tidak terkendali sehingga sering terjadi fluktuasi besar besaran. Metode Double Exponential Smoothing adalah sebuah metode yang sering diguakan dalam kebutuhan Forecastng. Metode ini memanfaatka data historis pada priode tertentu dalam proses prediksi. Untuk metode ini akan diuji dalam sebuah rancangan dan pengembangan system berbasis web, dimana sampel data akan di kalkulasikan dengan Metode Double Exponential Smoothing. Penelitian ini menguji sekitar 5 data setiap harinya selama 10 hari, dengan parameter a (alpha) 0.4035. menghasilkan tingkat akurasi senilai 70%. Hasil peramalan itu akan di sajikan dalam bentuk tabel dan grafik. Key Words : Bitcoin, Forecasting, Double Exponential Smoothing, Kurs, Cryptocurrency

Open access
Multimedia Learning Systems
Data Mining and Machine Learning Applications
Information Retrieval and Data Mining
Original source
Mar 1, 2019·INTED2019 Proceedings
13 cites
Learning about the reduction of food waste using Blockchain technology

Monica-Paula Marin, Iuliana Marin, Livia Vidu

Farmers need to be efficient and dedicate a lot of time in order to sustain the quality of their animals which are in their care. The most convenient and good quality - price ratio should be chosen for the feed of animals. Blockchain is used in a virtual space to store and share information over a network of users. This is done using the open source Hyperledger Fabric platform. The transactions can be viewed by all the other users in real time. These transactions are stored as JSONs inside CouchDB NoSQL database which supports queries on a large volume of data. When using this technology, the farmer can know with whom the supplier for animal feed collaborated with. The history of the transactions are not saved in just one place. In this way, it is more difficult to hack and provide implausible information. An e-learning platform was created where the farm's user can post information, respectively new blocks about the animal's birth, vaccinations, medicines, including the location of the livestock. The same e-learning platform is accessible from the mobile phone. By using the blockchain technology, anyone, including the client from the shop can know a lot about the origin of the products. Fake origins of food are much more difficult to hide. Fraud is also limited. The system monitored the traceability of dairy products inside a Romanian farm. Data about fodder provider and quality, cow productive performances and health and dairy products process were obtained and analyzed by students who will become specialists at all the levels of the food chain. Blockchain is the technology which in case of a dairy products contamination, the origin of the farm is traced in just a couple of seconds. In this way just a batch of dairy products is removed from distribution, leading to the reduction of food waste.

Open access
2 source records
cs.CY
Food Waste Reduction and Sustainability
Food Supply Chain Traceability
Original source
Jan 1, 2019·Journals & Books Hosting (International Knowledge Sharing Platform)
19 cites
Design of Land Administration and Title Registration Model Based on Blockchain Technology

Cleverence Kombe, Majuto Manyilizu, Aloys Mvuma

Land administration and title registration system is the system for storing land title information and managing<br>transactions involving land titles. Due to the sensitivity of land issues, land administration and title registration<br>system should be strong to avoid any document forgery, available all the time, and take a short time to complete<br>tasks. Thus, this study aims at designing a model for such system based on blockchain technology. The proposed<br>model is designed using UML diagrams and then tested for verification using statistical usage models (Markov<br>chains). The proposed model integrates the Integrated Land Management Information System (ILMIS) with<br>factom and bitcoin blockchains which enables encryption of information from ILMIS to get the fingerprint<br>information of each land title and store it to the blockchains. The model further encrypts the land information<br>from ILMIS when needed and then compare it with fingerprints from blockchains for verification. Such<br>implementation of the proposed model will help ILMIS to have the capability of providing tamper proof for<br>stored data, providing the self-notarization mechanism, and availability of evidence for the land title from<br>distributed databases. Furthermore, the society is expected to benefit from this study as the time and cost for<br>registering land title will decrease and the possibilities of a piece of land having more than one owner will not be<br>there.

Open access
Information Retrieval and Data Mining
Agricultural and Environmental Management
Coastal Management and Development
Original source
Mar 30, 2018·International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE), Vol. 7, Issue 3, March 2018
37 cites
A Survey on Feasibility and Suitability of Blockchain Techniques for the E-Voting Systems

Umut Can Çabuk, Eylül Adıgüzel, Enis Karaarslan

In the second decade of the 21st century, blockchain definitely became one of the most trending computational technologies. This research aims to question the feasibility and suitability of using blockchain technology within e-voting systems, regarding both technical and non-technical aspects. In today's world, although the course of this spreading is considerably slow, several countries already use means of e-voting due to many social and economic reasons, which we further investigated. Nevertheless, the number of countries offering various e-government solutions, apart from e-voting, is significantly high. E-voting systems, naturally, require much more attention and assurance regarding potential security and anonymity issues, since voting is one of the few extremely critical governmental processes. Nevertheless, e-voting is not purely a governmental service, but many companies and nonprofit organizations would benefit the cost-efficiency, scalability, remote accessibility, and ease of use that it provides. Blockchain technology is claimed to be able to address some, obviously not all, important security concerns, including anonymity, confidentiality, integrity, and non-repudiation. The analysis results presented in this article mostly confirm these claims.

Open access
2 source records
cs.CR
cs.DC
Internet Traffic Analysis and Secure E-voting
Original source
Aug 30, 2017·Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi)
11 cites
Studi atas Pemanfaatan Blockchain bagi Internet of Things (IoT)

Lathifah Arief, Tri A Sundara

Ekosistem Internet of Things (IoT) berkembang dengan sangat cepat dan diperkirakan akan menghubungkan 5-20 miliar perangkat pada tahun 2020. Data yang dihimpun dari perangkat ini akan mencapai jumlah yang sangat besar. Saat ini, ekosistem IoT pada umumnya menggunakan model sistem terpusat. Model tersebut memiliki beberapa kelemahan, seperti biaya pemeliharaan yang relatif tinggi, Sistem terdistribusi dapat menjadi alternatif solusi. Blockchain, teknologi ledger terditribusi, memungkinkan transaksi peer-to-peer tanpa perlu adanya perantara pihak ketiga yang terpercaya. Paper ini bertujuan untuk mengeksplorasi potensi pengintegrasian Blockchain ke dalam ekosistem IoT. Hasil penelitian berupa model dan use-case pemanfaatan Blockchain dalam IoT.

Open access
Blockchain Technology in Education and Learning
Blockchain Technology Applications and Security
Information Retrieval and Data Mining
Original source
Feb 24, 2017·Jurnal Teknik ITS
1 cites
Implementasi Teknologi Nfc Pada Ponsel Pintar Sebagai Agen Autentikasi Dalam Sistem E-Vote

Muhamad Ardhinata Juari, Supeno Djanali, Hudan Studiawan

Sistem pemungutan suara di Indonesia yang lebih dikenal dengan nama pemilihan umum (pemilu) sampai saat ini masih dilaksanakan secara manual. Dalam sistem tersebut, dibutuhkan waktu yang lama serta tenaga yang besar untuk menghitung hasil dari pemlihan umum tersebut. Sistem manual juga memiliki banyak kelemahan yang bisa dimanfaatkan oleh pihak tertentu untuk memanipulasi hasil pemilihan umum . Untuk mengatasi masalah ini, salah satu solusinya adalah dengan menerapkan sistem pemilihan umum dengan sistem berbasis perangkat elektronik yang lebih dikenal dengan istilah E-Vote . Berbagai macam metode telah diterapkan dalam sistem E-Vote untuk mengatasi kecurangan, salah satunya dengan menggunakan sistem enkripsi-dekripsi data dari pemilih ke sistem. Namun hal ini kurang efektif apabila kecurangan terjadi ketika data sudah dirubah sebelum masuk ke sistem. Dengan menerapkan mekanisme rantai kepercayaan (chain of trust) untuk mendeteksi adanya perubahan surat suara serta sistem autentikasi digital, mekanisme keamanan bagi peserta pemungutan suara bisa diwujudkan. Proses autentikasi digital menggunakan ponsel pintar dengan teknologi NFC dipadukan dengan sistem enkripsi asimetris dan digital signature . Pemilih bisa mendeteksi adanya perubahan surat suara melalui digital signature yang ada dan sistem E-Vote bisa mengenali peserta dari kunci publik yang ditawarkan oleh autentikator. Kemudian sistem E-Vote bisa memverifikasi keaslian kunci publik peserta melalui autentikasi berbasis zero-knowledge proof challenge . Hasil pilihan peserta kemudian dikirimkan ke autentikator untuk ditandatangani dan tandatangan tersebut digunakan sebagai bukti peserta telah melakukan pemilihan. Dari hasil uji coba yang dilakukan, terbukti bahwa autentikator bisa mendeteksi ketidaksamaan antara data dengan signature, dan autentikator bisa melakukan autentikasi dengan sistem E-Vote dengan tepat. Data hasil pilihan peserta bisa diverifikasi dengan signature yang ada untuk memeriksa integritas data.

Open access
Internet Traffic Analysis and Secure E-voting
Information Retrieval and Data Mining
Blockchain Technology in Education and Learning
Original source
Jan 1, 2017·Lecture notes in computer science
65 cites
A New Blockchain-Based Value-Added Tax System

Dimaz Ankaa Wijaya, Joseph K. Liu, Dony Ariadi Suwarsono, Peng Zhang

No abstract is available for this record.

Open access
Blockchain Technology Applications and Security
Information Retrieval and Data Mining
Blockchain Technology in Education and Learning
Original source