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Legal Aspects of DAO (Decentralized Autonomous Organization)

Decentralized autonomous organization (DAO) represents an innovative means for organization of a network of decentralized users for taking common decisions and engaging in smart contracts. Any user can submit a smart contract proposal to the DAO. Every user can vote for or against any given smart contract. The DAO program will execute the decision voted for by the majority. The ... Read More »

A Comprehensive Privacy Analysis of Tor Hidden Services

Tor is one of the most popular darknets, which is known for its high levels of anonymity. Even though Tor’s protocol and its relay security have been thoroughly studied, there is currently no detailed analysis of the framework and privacy of hidden web services on this widely used darknet. To address this, a group of researchers formulated a specialized analysis ... Read More »

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Exploratory Data Analysis for Tor Marketplaces – The Drugs’ Case

The world of anonymous marketplaces represents a novel channel for black markets, which offer a wide variety of illegal merchandize. For most marketplaces on the darknet, the overall incidence of sales is still not comparable with the sales incidence of similar physical markets. Nevertheless, given the fact that it reflects an essential trade channel, offering opportunities to new as well ... Read More »

Fileless Malware Attack Evades AV with DNS

Malware authors never fail to find new ways of doing the same thing to go under the AV’s radar. Recently, Cisco’s security researchers team Talos spotted a novelty in controlling exploited computers. Dubbed DNSMessenger, it’s a Remote Administration Tool (RAT) that used DNS to communicate with Command & Control server. DNSMessenger Infection Chain Even though attack vector includes a file, ... Read More »

An Application That Converts National Fiat Currencies To Blockchain Based Cryptocurrencies

The high security levels offered by cryptocurrencies, via the blockchain technology, offer an ideal financial ecosystem for minting national currencies. A recently published paper introduced an innovative application that utilizes the blockchain technology to transform fiat money into a cryptocurrency; ether. This technology can become a part of a much bigger system, so that, after travelling outside his/her country, a ... Read More »

Cryptocurrency and Gaming – A match made in heaven

Blockchain technology is sometimes referred to as disruptive and it’s not just in the financial sector, many industries will be affected by this technology. One them seems to be already ahead of the curve. We are talking about the gaming industry. Cryptocurrencies and videogames are a match made in heaven. Why? Because virtual currencies have existed in video games almost ... Read More »

Blocktix : Decentralized Network for Event Hosting & Ticketing Using Ethereum’s Blockchain

Blocktix is a novel, decentralized platform for ticket distribution and event hosting. The platform operates via Ethereum’s smart contracts, which enable verification of authentic tickets rendering it almost impossible to counterfeit them. Blocktix is aimed at providing a decentralized network for distribution and sales of tickets. Individuals as well as companies can buy and sell tickets via means of cryptographic ... Read More »

Public Consensus Networks & Secret Management : From Access Control to Ransomware

The advent of bitcoin has introduced the world to a new class of decentralized networks. Referred to as “consensus networks”, such systems, as bitcoin’s and Ethereum’s blockchain, deploy highly distributed volunteer-run networks to implement public rules that are responsible for managing access to various resources. Bitcoin’s network utilizes consensus to apply monetary transaction rules. Nevertheless, more recently consensus based systems ... Read More »

A brief summary on Bitcoin Unlimited

Following the growing need for a scaling solution to be implemented in Bitcoin, the prospect of a hard fork to the Bitcoin Unlimited consensus rules seems to be becoming a very real possibility. Exchanges have issued a group contingency plan in case of an hard fork stating that Bitcoin Unlimited will be listed as an alternative cryptocurrency. Bitfinex has even ... Read More »

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A Public Transport Ticketing System That Accepts Bitcoin

In many parts of the world today, public transportation is faced by the problem of seemingly inconvenient ticketing processes. Bitcoin is a decentralized currency that can easily solve such problem. A group of developers from Liverpool University proposed a novel ticketing system for public transportation, which is comprised of an automatic ticketing vending machine that supports bitcoin payments. An essential ... Read More »

Trust Is Risk – Bitcoin Based Reputation System for Online Decentralized Marketplaces

Online marketplaces can be either centralized or decentralized. Ebay is one of the most popular centralized online marketplaces, while OpenBazaar is by far the most popular decentralized online marketplace. Online marketplaces rely, in a way or another, on creating a reputation system for both sellers and buyers, which is a common denominator between centralized and decentralized marketplaces. In most cases, ... Read More »

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Modular Stacking and Bitcoin’s Evolution

Throughout the past few years, bitcoin has offered us a simple, inexpensive and highly secure way for sending payments to anyone, anywhere in the world. Moreover, being open source software, bitcoin is inherently versatile as it is structured in the form of open ended modular stacks whose capabilities are boosted by the functionalities innately provided by the uppermost layers , ... Read More »

How to use Bitmessage (encrypted messaging)

Bitmessage is a peer-to-peer communications protocol that allows users to send encrypted messages to each other and groups. Its fully decentralized model ensures that users don’t have to trust any third party service and its encryption system ensures that users don’t have to resort to complicated tools like PGP. Bitmessage encrypts messages, masks the sender and receiver of messages from ... Read More »