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Monero - Privacy And Anonymity On The Blockchain | Cryptoslate

Monero - Privacy And Anonymity On The Blockchain | Cryptoslate

Fittingly, the exact origin story behind Monero is still somewhat mysterious. Like digital cash, its untraceable as it changes hands. The concept behind Monero was first published by Nicolas van Saberhagen. This name was later proven to be a pseudonym and can refer to either an individual creator or developing team. Monero was created to enhance the users anonymity, an issue that was increasingly experienced in the Bitcoin community. While Nicolas van Saberhagen came up with the idea behind the cryptocurrency, it was coded by a user simply known by their online pseudonym thankful_for_today. Monero was initially called Bitmonero, taking the monero part from Esperanto, where the term means coin. However, after a hard fork in 2014, the cryptocurrency evolved into the Monero that we know today. While users technically enjoy a degree of anonymity on the Bitcoin network, the network still allows transactions to be traced back to the accounts from which they originated. In addition, users on the bitcoin network can see each others total bitcoin holdings available in their accounts. While its relatively easy for bitcoin users to keep their real-life identities hidden on the Bitcoin network, it becomes difficult to do so once you engage in any Bitcoin deals that require you to use your name. After attaching your name to a deal, it becomes easy for other users to trace transactions back to you. While the regular user would not be too alarmed by this, those users who need bitcoin for not-so-legal activities obviously consider this a major issue. To address this, Monero uses several techniques to ensure anonymity on its network. All users are issued with stealth addresses. These unique addresses are encrypted which prevents any transactions from being traced back to its account of Continue reading >>

Why Blockchain Might End Up Eroding Your Online Privacy

Why Blockchain Might End Up Eroding Your Online Privacy

Why Blockchain Might End Up Eroding Your Online Privacy Answer by Stan Hanks , CTO of Columbia Ventures Corp, on Quora : The promise of the blockchain is that its immutable, and public, and distributed. Once a transaction is recorded, its there, forever. Think about your life and how you handle your bills - mortgage or rent, car payment, insurance, power, water, credit cards, etc. So, you have that in your head, right? Pretty good idea how that works, which ones get paid when, etc.? Add to that how you get paid - salary from your employer, fees for consulting, selling cans at the recycling center, whatever. Imagine this future in whichALL OF THATis on the blockchain, forever. Admittedly, theres this ambiguation component: the ID of a given wallet is used, and there is in theory no way to tie that to you, individually. Lets say that I develop a keen interest in what your financial life looks like. And I want to know your wallet ID. Simple enough: all I need to do is arrange to pay you, or be paid by you, and bingo, I have your ID. Now all I need to do is walk the blockchain looking for all instances, and Ill know what youre doing - where payments are sent and where inbound payments come from. Over a sufficiently long period - call it a year, probably less - of payment history, I can figure it out. That big one, thats probably your house. The next bigger one is your car. And utilities and credit card companies - they probably have a public wallet ID published for all inbound payments, so thats easy. With a modest amount of work, I can figure it all out. 80% or so will be trivial, the rest will take some work - and require that I am sufficiently interested to pursue it. Now, if Im careful and willing to run multiple wallets, and work hard to actively obscure what Im doing Continue reading >>

How Blockchain Could Solve The Internet Privacy Problem

How Blockchain Could Solve The Internet Privacy Problem

How blockchain could solve the internet privacy problem Blockchain, with its encrypted and immutable record, will eventually be used create universal digital identities, filled with information that only we will control and that will link back to the issuing banks, governments or even employers. Use commas to separate multiple email addresses Fintech firms, software makers, telecom providers and other businesses have joined forces develop a blockchain-based network that will enable anyone to exchange digital credentials online and without the risk of unintentionally exposing any private data. The companies are part of the Sovrin Foundation , a new nonprofit organization now developing the Sovrin Network, which could enable anyone to globally exchange pre-verified data with any entity also on the network. The online credentials would be akin to identify information you or I might have in our physical wallets: a driver's license, a bank debit card or a company ID. [ Related: What is blockchain? The most disruptive tech in decades ] Instead of a physical card, however, the IDs in our digital wallets would be encrypted and link back to the institutions that created them, such as a bank, a government or even an employer, which, through the blockchain, would automatically verify that information to a requestor. The owner of the digital wallet can determine what information a requesting business receives, and no more. "They control who has access to their wallet and also can revoke that access at any time," said Adam Gunther, IBM's director of trusted identity. This week, IBM announced it had joined the Sovrin Network to assist businesses, nonprofits and governments in building out the infrastructure and applications that will enable consumers to transact with them. [ Prepare Continue reading >>

How New Eu Privacy Laws Will Impact Blockchain: Expert Take

How New Eu Privacy Laws Will Impact Blockchain: Expert Take

How New EU Privacy Laws Will Impact Blockchain: Expert Take New European data protection regulation is hardly compatible with Blockchain In our Expert Takes, opinion leaders from inside and outside the crypto industry express their views, share their experience and give professional advice. Expert Takes cover everything from Blockchain technology and ICO funding to taxation, regulation, and cryptocurrency adoption by different sectors of the economy. If you would like to contribute an Expert Take, please email your ideas and CV to [email protected] . EU privacy laws are set to undergo their biggest overhaul since being created in 1995. The new framework, entitled the General Data Protection Regulation (GDPR), comes into effect on May 25, 2018 and will drastically change how organizations handle the personal data they collect and use. The GDPR aims to harmonize data privacy laws throughout the EU and give individuals better control over their personal data. Under the GDPR, all organizations that store personal data of EU citizens or residents, including Blockchain projects, will be required to follow stringent data privacy rules. Failure to do so will result in fines based on the severity of the breach, the character of the infringement, and the organizations compliance protocol. The most egregious offenders will face hefty fines up to 20 mln euro or four percent of their annual revenue, whichever is higher. To avoid risking fines, all organizations handling the personal data of EU citizens or residents must take active steps to ensure compliance, not only those physically located in the EU. Because the GDPR applies to any online service that is accessed by EU citizens or residents, the regulations are likely to capture the vast majority of Blockchain projects re Continue reading >>

Blockchain.info - Privacy And Anonymity

Blockchain.info - Privacy And Anonymity

Hi, I'm new here and new to Bitcoin world! I was wondering how anonymous and private are online wallets, like blockchain, coinbase etc. I'm specially interested in BlockChain because they seem to have a good amount of security. I read their privacy policy and their was this.. We may collect the following information: Contact information including email address, skype or google talk username Yubikey or other two factor authentication token What we do with the information we gather We require this information to understand your needs and provide you with a better service, and in particular for the following reasons: We may use the information to improve our products and services. We may periodically send promotional emails about new updates which we think you may find interesting using the email address which you have provided. We will not sell, distribute or lease your personal information to third parties unless we are required by law to do so. We may use your personal information to send you promotional information about third parties which we think you may find interesting if you tell us that you wish this to happen. Piecing all this together, it means that they can associate a wallet with some personally identified information like email which is* shared with gov agencies. And they don't allow closing accounts, which makes it more suspicious. I know I can download the client and use it, instead of them but would like to learn. What do you guys think about it? What is your opinion about anonymity of blockchain and other online wallets in general? *the policy says may but with the current prism scandal, I don't believe that. Quote from: TradeFortress on July 24, 2013, 12:57:58 PM Send shared seems broken with Blockchain.info. I'm sure piuk will fix it eventually. Why Continue reading >>

Privacy On The Blockchain

Privacy On The Blockchain

co-founder @scalarcapital, burner, #bitcoin enthusiast, previously growth eng @coinbase Privacy in an open society requires anonymous transaction systems. Until now, cash has been the primary such system An anonymous system empowers individuals to reveal their identity when desired and only when desired. Co-founder of the cypherpunk movement, UC Berkeley mathematician Financial matters are often ill-suited for public attention Theres a popular misconception that Bitcoin is anonymous and untraceable. Its an understandable mistake given Bitcoins first popular use case was the infamous Silk Road a market known for dealing in illicit substances. The truth is that Bitcoin is pseudonymous and fully traceable. In fact, every transaction in Bitcoin maps inputs to outputs, allowing anyone to follow the money trivially. Satoshi even went so far as defining a bitcoin literally as a history of its custody: We define an electronic coin as a chain of digital signatures. Bitcoins transactions are tracked as a graph that resides on the blockchain permanently. If someone learns of information that links your identity to your bitcoin address, they can learn a ton about you. Its possible to infer your spending patterns (where you spend, how much, how often), your wealth and income, whom you associate with. How do you feel knowing those whom you transact with may be able to learn so many personal facts about you? There are countless ways that identities can be linked to a wallet address. Some people share their address publicly. The exchange you bought your bitcoin from has both your identity and your addresses. Merchants you pay can make the association. Two companies, Elliptic and Chainalysis , are in the business of linking identities to addresses, and compiling all their insights into Continue reading >>

Protect Your Privacy

Protect Your Privacy

Bitcoin is often perceived as an anonymous payment network. But in reality, Bitcoin is probably the most transparent payment network in the world. At the same time, Bitcoin can provide acceptable levels of privacy when used correctly. Always remember that it is your responsibility to adopt good practices in order to protect your privacy. Bitcoin works with an unprecedented level of transparency that most people are not used to dealing with. All Bitcoin transactions are public, traceable, and permanently stored in the Bitcoin network. Bitcoin addresses are the only information used to define where bitcoins are allocated and where they are sent. These addresses are created privately by each user's wallets. However, once addresses are used, they become tainted by the history of all transactions they are involved with. Anyone can see the balance and all transactions of any address. Since users usually have to reveal their identity in order to receive services or goods, Bitcoin addresses cannot remain fully anonymous. As the block chain is permanent, it's important to note that something not traceable currently may become trivial to trace in the future. For these reasons, Bitcoin addresses should only be used once and users must be careful not to disclose their addresses. To protect your privacy, you should use a new Bitcoin address each time you receive a new payment. Additionally, you can use multiple wallets for different purposes. Doing so allows you to isolate each of your transactions in such a way that it is not possible to associate them all together. People who send you money cannot see what other Bitcoin addresses you own and what you do with them. This is probably the most important advice you should keep in mind. Unless your intention is to receive public donati Continue reading >>

Blockchain Wallet Review 2018 | Features & Fees | Finder.com

Blockchain Wallet Review 2018 | Features & Fees | Finder.com

Advanced security features, such as 2-step verification. You can choose to see your balance reflected in your local currency. User-interface design is intuitive and can be easily navigated. As a privacy measure, Blockchain automatically generates a new wallet address after each digital transaction. The company is based in Luxembourg, a country noted for having a legal structure that protects individual privacy. You can easily pair your web wallet with a mobile device by scanning a QR code. You can buy and sell cryptocurrencies directly through your Blockchain wallet. Online wallets, as a whole, are generally considered to be more vulnerable to security breaches than offline wallets. Some users may find it a cumbersome process to go through identity verification to access their individual Blockchain wallets. Blockchain Wallet is only compatible with bitcoin and Ethereum. You cannot purchase cryptocurrencies with fiat directly through Blockchain Wallet. Disclaimer: This information should not be interpreted as an endorsement of cryptocurrency or any specific provider, service or offering. It is not a recommendation to trade. Cryptocurrencies are speculative, complex and involve significant risks they are highly volatile and sensitive to secondary activity. Performance is unpredictable and past performance is no guarantee of future performance. Consider your own circumstances, and obtain your own advice, before relying on this information. You should also verify the nature of any product or service (including its legal status and relevant regulatory requirements) and consult the relevant Regulators' websites before making any decision. Finder, or the author, may have holdings in the cryptocurrencies discussed. Blockchain Wallet is a digital wallet platform developed by th Continue reading >>

Privacy On The Blockchain: Where Are We Headed?

Privacy On The Blockchain: Where Are We Headed?

Privacy on the Blockchain: Where Are We Headed? Dec 27, 2017 at 20:55 UTC|UpdatedDec 29, 2017 at 00:02 UTC Arianna Simpson is the founder and managing director of Autonomous Partners, a fund focused on cryptocurrencies and digital assets. She is also a venture partner at Crystal Towers Capital, a venture capital fund, and previously spent time at Facebook and BitGo. The following article is an exclusive contribution to CoinDesk's 2017 in Review . For all the claims that have been made over the years about bitcoin being a safe haven for criminals, it's becoming increasingly clear that capital flows on the blockchain aren't private. Bitcoin itself indexes poorly on both the anonymity and confidentiality fronts, as addresses offer pseudonymity at best, and balances are completely public. Companies like Elliptic and Chainalysis are building businesses around blockchain forensics, and as the network increases in value, incentives to track flows of capital only become stronger. The rising tide of awareness about this is largely responsible for the growth in privacy coins in 2017, many of which experienced meteoric price and transaction volume increases. To those new to the field, getting up to speed can feel like an onerous task, but it's important to remember we're still in the early days, andcatching up on the cutting-edge is as easy as familiarizing yourself with a handful of key issues and projects likely to be of interest in the months and years ahead There's never a shortage of ideological differences in the world of cryptocurrencies. As it relates to privacy, one of the biggest is whether or not techniques that keep data from being shared should be default. Emblematic of this issue are two of the sector's biggest coins - monero and zcash. Of the two, monero offers pri Continue reading >>

Telegrams Privacy-focused User Base Could Become Ton Blockchains Killer App

Telegrams Privacy-focused User Base Could Become Ton Blockchains Killer App

In December 2017, an interesting rumor surfaced : According to sources familiar with the matter, the messaging app Telegram , very popular among crypto-enthusiasts for its strong encryption and privacy features, would launch its own blockchain platform and cryptocurrency. On January 8, 2018, TechCrunch reported that several unnamed sources had confirmed the news and quoted a secret Telegram white paper. According to TechCrunch, the potential for a cryptocurrency inside a widely adopted messaging app is enormous. Of course, a leaked executive summary of the white paper is now available. The document has been shared by Cryptovest, and its authenticity has been independently confirmed by TNW. The 23-page executive summary often refers to an unreleased technical white paper which, according to TechCrunch, has 132 pages. This paper outlines a vision for a new cryptocurrency and an ecosystem capable of meeting the needs of hundreds of millions of consumers, including 200 million Telegram users, reads the white paper. Launching in 2018, this cryptocurrency will be based on a multi-blockchain proof-of-stake system TON (Telegram Open Network, after 2021 The Open Network) designed to host a new generation of cryptocurrencies and decentralized applications. According to Telegram, while cryptocurrencies and other blockchain-based technologies have the potential to make the world more secure and self-governed, no consensus-backed currency has been able to appeal to the mass market and reach mainstream adoption. Despite the utility of Bitcoin and Ethereum, there is no current standard cryptocurrency used for the regular exchange of value in the daily lives of ordinary people. This is what the TON project wants to change. According to Telegram, the world needs an electronic decentral Continue reading >>

Privacy > Blockchain

Privacy > Blockchain

Privacy is of utmost importance at the Blockchain group of companies (Blockchain). We recognize the significance of protecting information which is stored on our computers or is intended to be stored on our computers and which relates to an individual. The data we protect are the Personal Data which is any information relating to an identified or identifiable natural person, sometimes called a data subject, and have made protecting privacy and the confidentiality of Personal Data a fundamental component of the way we do business. This Privacy Policy informs you of the ways we ensure privacy and the confidentiality of Personal Data. We are compliant with applicable privacy laws in the countries in which we operate. This policy describes the information we gather, how we may use those Personal Data and the circumstances under which we may disclose such information to third parties. When you access or use the Blockchain site or Services, we may collect some information, including: Information you may provide to us: Your email address, virtual currency addresses, mobile phone number, alias, password, mobile PIN code, and any other information you choose to provide. Log Information: We may log information about your use of the Services, including the type of browser you use, access times, pages viewed, your IP address and the page you visited before navigating to our websites. Device Information: We may collect information about the mobile device you use to access our mobile application, including the hardware model, operating system and version, unique device identifiers and mobile network information. Wallet Address Information: When you create a wallet through our Services, an encrypted wallet public key and private key pair is automatically generated and stored via our Continue reading >>

Blockchain - Using Your Blockchain Wallet

Blockchain - Using Your Blockchain Wallet

What you need to know to start using your Blockchain wallet To log into your wallet you need your Wallet ID, your password, and any two-step verification that you have enabled. Your Wallet ID is a string of random letters and numbers that acts as a username. You can find it by navigating to the Wallet Information section of your Settings menu. Although it looks similar to an address, your Wallet ID cannot be used to send or request bitcoin or ether. You will always be able to see your bitcoin & ether balances at the top of your wallet and on your dashboard. Want to see your balance in your chosen currency instead? Click on your bitcoin or ether value and it will display the fiat currency equivalent. To send bitcoin or ether from your wallet, you need the recipient's receive address or QR code. To request, you can share your address or QR code with the sender. Note: your bitcoin address will change each time you request but your ether address will stay the same. Your home screen will display your most recent transactions, and you can find your full transaction feed by clicking on the corresponding asset in your wallets menu. What do I need to create a Blockchain Wallet? + Creating a free Blockchain Wallet is quick and easy. All you need is a valid email address and a secure password. What is an address? + Addresses are strings of letters and numbers, that are used to send you bitcoin or ether. For increased privacy, a new bitcoin address is generated for every transaction. Find the address for your next transaction by clicking receive in your wallet. Are there fees? + Yes. Transaction fees cover the mining network fees and the Blockchain infrastructure necessary to ensure fast and reliable transaction confirmation times. Miners prioritize transactions based on fees, so Continue reading >>

Pr: Introducing Emotiq A Next-generation Blockchain With Powerful Scalability And Privacy

Pr: Introducing Emotiq A Next-generation Blockchain With Powerful Scalability And Privacy

This is a paid press release, which contains forward looking statements, and should be treated as advertising or promotional material. Bitcoin.com does not endorse nor support this product/service. Bitcoin.com is not responsible for or liable for any content, accuracy or quality within the press release. Emotiq is a powerful, next-generation blockchain with strong consistency, massive scalability, fast throughput, confidential transactions, and a natural smart contract language. Conceived by a team of veteran developers, and committed to overcoming the unresolved challenges of the blockchain, it launched with a private Token Generation Event (TGE) on March 2nd. Current blockchain platforms (Ethereum, Bitcoin, etc.) are unable to match the transaction throughput of centralized solutions, such as VISA & Mastercard, with transaction speeds magnitudes below that required. Emotiq combines the latest in distributed systems research with an innovative approach to smart contracts, to address the unresolved challenges of blockchain scalability, privacy, and usability. We believe that a solid blockchain foundation has yet to be put in place, said Joel Reymont, Emotiqs CEO. With natural language smart contacts and state-of-the-art scalability and privacy, Emotiq aims to become that foundation. The blockchain has massive implications for how we live, work, interact, and do business. But to achieve its potential, the blockchain needs to be better, stronger, and more scalable. Emotiq features a plain English smart contract language, Ring, that allows non-programmers to create and understand smart contracts through a natural layer. Ring is inspired by Zork, a classic interactive fiction computer game. So far, the blockchain has been removed from those who will benefit the most from u Continue reading >>

Privacy On The Blockchain

Privacy On The Blockchain

Blockchains are a powerful technology, as regular readers of the blog already likely agree. They allow for a large number of interactions to be codified and carried out in a way that greatly increases reliability, removes business and political risks associated with the process being managed by a central entity, and reduces the need for trust. They create a platform on which applications from different companies and even of different types can run together, allowing for extremely efficient and seamless interaction, and leave an audit trail that anyone can check to make sure that everything is being processed correctly. However, when I and others talk to companies about building their applications on a blockchain, two primary issues always come up: scalability and privacy. Scalability is a serious problem; current blockchains, processing 3-20 transactions per second, are several orders of mangitude away from the amount of processing power needed to run mainstream payment systems or financial markets, much less decentralized forums or global micropayment platforms for IoT. Fortunately, there are solutions , and we are actively working on implementing a roadmap to making them happen. The other major problem that blockchains have is privacy. As seductive as a blockchains other advantages are, neither companies or individuals are particularly keen on publishing all of their information onto a public database that can be arbitrarily read without any restrictions by ones own government, foreign governments, family members, coworkers and business competitors. Unlike with scalability, the solutions for privacy are in some cases easier to implement (though in other cases much much harder), many of them compatible with currently existing blockchains, but they are also much less s Continue reading >>

Blockchain Will Rewire Security, Privacyand Business

Blockchain Will Rewire Security, Privacyand Business

Blockchain will rewire security, privacyand business Blockchain, the distributed-ledger technology behind cryptocurrencies including Bitcoin, is changing the concept of online security so profoundly that it will revolutionize the way we use the Internet, says Alex Tapscott, coauthor ofBlockchain Revolution. Rather than an "internet of information," the online world will become an "internet of transactions," in which security and authentication methods based on blockchain allow the automatic, secure exchange of information and money and the execution of contractswithout a bank, credit card company, or other intermediary to confirm identities and handle the money, said Tapscott. The lead author ofBlockchain Revolutionis his father,Don Tapscott, author of along listof future-shaping analyses of the potential for new technology, includingThe Digital Economy(1994) andParadigm Shift(1993). Blockchain allows identities to be confirmed and things of value, such as contracts or units of cryptocurrency, to be identified with records that can be easily audited to ensure they're authentic. Because of this, its influence will extend far beyond the market for Bitcoin, where it started, or the financial services markets, which are undergoing dramatic changes due to blockchain and cryptocurrencies , Tapscott said. Tamper-proof public databases that can confirm a document's authenticity without a notary involved, and the ability to avoid having to use and reconcile transactions through intermediaries, could save banks $20 billion per year by 2022, according to a recent report from the venture capital analyst arm of international banking conglomerateSantander. "On the Internet, when I send information, I'm not sending the actual document, I'm sending a copy of that document," Tapscott t Continue reading >>

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