Last year Bitfury’s multidisciplinary Blockchain specialists announced the possibility of revealing the identities of more than 16% of all owners of Bitcoin addresses. Several years ago, a team of CryptoLux developers, having conducted a study of transaction privacy on the Bitcoin network, concluded that 60% of all addresses can be deanonymized. Summarizing all this, it’s worth highlighting three existing methods that can successfully deanonymize private transactions.submitted by Stealthex_io to StealthEX [link] [comments]
ClusteringThe easiest way to cluster (link Bitcoin addresses) is by analyzing transactional networks. In other words, this is a method that allows finding several inputs combined in one transaction. The second clustering method is “distribution analysis”. It allows calculation the percentage of cryptocurrency at the certain address that comes from another specific address and it becomes clear whether these addresses are connected by one direct transaction or a chain of transactions or not.
Graph analysisIt consists of quantitative and temporal analyzes. Quantitative analysis studies not certain transactions, but amounts. Time analysis tracks specific periods.
Memory Pool MethodWhen a transaction is made through the user’s wallet, the input nodes send information about the transaction to the Blockchain network. The purpose of this method is to identify the set of input nodes through the wallet and the user. In this case, the IP address of the client can be associated with its transactions. There are certain private cryptocurrency-leaders which are popular and trusted among users. Using one feature-privacy, they have different ways of functioning.
Basic principles of work: anonymous cryptocurrencies (Monero, Dash, Zcash)
MoneroThe platform focuses on privacy and decentralization. The coin uses three levels of protection:
• Ring signatures, that hide the origin of the sender by mixing the user’s address with the addresses of other group members. • Ring confidential transactions, which hide the amount of the transaction. • Stealth addresses, that allow a user to hide the recipient’s address.
Such way guarantees the privacy of the sender and the recipient. Monero can be bought on Poloniex, Bitfinex, Livecoin, and Kraken crypto exchanges. It is possible to store Monero via an online wallet. More secure is its computer wallet. Due to its privacy, the popularity of the coin is expected to grow, so it makes sense to add a coin to an investment portfolio.
• Increased privacy. Cryptocurrency is suitable for those who are afraid of deanonymizing network transactions. • Unlimited and difficult mining. • It takes less time to find blocks. • Resistance to the centralization of mining capacities.
• Resources. All currency protection technologies require impressive machine performance for normal operation. The Monero block size is constantly growing, and this requires additional resources of network participants. • The popularity in the dark web leads to problems in working with regulatory authorities, exchanges often delist it. Speaking of reputation, Monero’s reputation is far from the best. The coin is often used on the dark web as payment for various illegal services. It happens to almost all crypto coins that provide privacy. • Large transaction sizes. Since Monero Blockchain is five times larger than the Bitcoin Blockchain in terms of one transaction. • Problems with scalability.
DashThe Dash platform is a classic decentralized Blockchain-based payment system and the most technologically advanced cryptocurrency. It implements multi-off-chain money transfers without loss of reliability and overall security of the Blockchain. Its confidentiality is rather an additional option that can be used optionally. In the case of anonymity, it is possible to send a hidden transaction, but at a more expensive cost, which also requires additional time. Dash developed a hashing algorithm with eleven cryptographic functions-X 11 for the first time. The coin developers have released apps for other platforms. Today it is possible to use Dash for IOS, Zeal for Linux, LovelyDocs for Android and Velocity for Windows.
As well known, the CoinJoin is an anonymization method for crypto transactions, which is used by Dash as an improved version called the PrivateSend. Its mixing sessions are limited to 1,000 DASH for each session and will require multiple mixing sessions to anonymize a large amount of money.
• High transaction speed. It is achieved via InstantX technology, which enables the confirmation of operations in less than 4 seconds. • Law transaction fees. • Energy consumption. Unlike Monero, it does not require a lot of power or high commission costs.
• “Transparency” of the network. Without triggering the “mixing” mechanism, the directions of transactions and their balances are publicly visible to everyone. • Lack of proper cryptographic technologies that provide privacy, but can provide a sufficiently high level of protection. • Transaction visibility to the founders and the team.
ZcashAn open-source decentralized cryptocurrency that provides users with maximum privacy. Zcash is the first private cryptocurrency, using cryptographic protocol zk-SNARKS, a zero-knowledge security layer. It allows users to make hidden and open transactions.
Mathematically guaranteed privacy is something cryptocurrency can not be proud of. This fact makes the currency specific. All Zcash coins are identical, it means that interchangeable coins do not contain information about past use created. In this regard, the connection of coins with their history on the Blockchain is broken, which makes them universal and identical to each other. Zcash blocks are generated 4 times faster than Bitcoin. The currency trades on Huobi, Bitfinex and Binance exchanges, and after purchase, it can be stored on the exchange’s internal wallet, as well as transferred to Jaxx, Cryptonator and Coinomi multi-currency wallets. Coins can also be stored on hardware wallets like Ledger and Trezor.
• Privacy. Since no information except the time stamp, is recorded in the Blockchain, transactions cannot be tracked, and the identity of the sender and recipient is almost impossible to establish. • Interchangeability. Due to interchangeability, all coins have a “clean” history. This means that it is practically impossible to determine which transactions coin was used. • Security. Lack of information about user keys, which protects user wallets and the network.Mining energy efficiency. Zcash mining hardware consumes less electricity than Bitcoin mining ASICs. • The difficulty of mining. Zcash is beneficial for those who want to get coins for block creation. Bitcoin mining becomes more and more complicated, so miners cannot earn enough money via their computers with high capacity.
• 6 users can decide to leave the transferred data completely open. • It takes a lot of calculations to complete a transaction. • Insecurity. There are fears that the system could be hacked, or users may accidentally open the data. • Legally ZCash is supported only by Linux, however, it provides users with wallets for other platforms: Jaxx, Ledger, Trezor, Trust, Zecwallet, Ibitcome, Exodus, Guarda, Coinomi, Cobowallet, and Bitgo.
Private cryptocurrencies are necessary for anyone who values the privacy and confidentiality of financial transactions. Privacy can generate more value, than danger, as Eric Hughes says: “Privacy is necessary for an open society in the electronic age. Privacy is not secrecy. A private matter is something one doesn’t want the whole world to know, but a secret matter is something one doesn’t want anybody to know. Privacy is the power to selectively reveal oneself to the world”.
Bitcoin is getting more difficult to mind as the days go by. And it’s getting harder and harder to make profits with mining operations for Bitcoin. But it wasn’t that long ago that the Antminer S9 was released. The miner seems to be is now looking to be the only miner that can still be used to turn a decent ROI in today’s competitive cryptocurrency network. One of the lower profile bitcoin mining manufacturers, China-based Bi Wang (BW), has reportedly unveiled a 14 nm ASIC (application specific integrated circuit). According to a report by Bitcoin Magazine, the startup is marketing its miner to companies as well as to consumers. The launch is targeted for early 2016. Currently, the most efficient ASIC to mine bitcoins is the top of the range Antminer S17 series, the Antminer S17 Pro. It is an ASIC capable of reaching a maximum hashrate close to 53 TH/s on the SHA256 hashing algorithm, with a power consumption close to 2100 Watt/hour. This results in a maximum efficiency of close to 40 Watts per TH/s. Power Consumption. How much electricity does the miner consume? This is important since you’re going to run a huge electric bill if you mine Bitcoin. This is measured in watts, and the lower the number, the better. Hashrate. This is how much power the miner has to solve the mining math problem. It basically measures how many guesses the miner ... The Avalon6 Bitcoin miner is one of the easiest ASIC units to setup. Both the advanced and basic procedure is simple, and this makes the device great for beginners. Unfortunately, it’s not the most profitable unit around. From the 1050W it draws from the wall, it only manages to produce 3.5 TH/s. Whilst it’s certainly not going to impress any serious Bitcoin miners, the ease with which you ... Over the last year, cryptocurrencies have lost a lot of value yet bitcoin miners continue to process transactions and earn block rewards. A bunch of new The top mining devices that process between ... The Avalon 3218 ASIC is a big step over the previous gen. The new efficiency is very welcome with fluctuating bitcoin value and a wide range of power costs around the world. Also Read: Review: Avalon 4.1, 1 th/s Bitcoin ASIC Miner, Quiet Power. Avalon 6 Bitcoin Miner Specifications In fact, this was first ASIC miner that is compatible with this specific algorithm, yet again serving a major blow to GPU mining. With hashrate of 10K Sol/s and power consumption of 300 Watts will set you back about $850 while Antminer Z9 costs a whopping $3,319, offering 40.8k sol/s. However, with the way Bitcoin hashrate is rising, you never ... Tardis ASIC Bitcoin miner uses 6300W of power to mine your favorite Cryptocurrency. Besides it also weighs around 37000g which is a lot less than the industry average. In comparison, Bitmain S17 BTC mining hardware only weighs 9500g. Talking about returns, a person can make $17 a day in profit from this Bitcoin mining equipment. However, as with the rest of the above ASIC bitcoin miner, the ... A Bitcoin ASIC miner will, once turned on, not be switched off until it either breaks down or becomes unable to mine Bitcoin at a profit. Because of this, Bitcoin miners increase the baseload demand on a grid. They don’t just consume energy when there is an excess of renewables, but still require power during production shortages. In the latter case Bitcoin miners have historically ended up ...
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