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OnePlus Nord2 5g review

OnePlus Nord 2 is an upcoming mobile by OnePlus. The phone is rumored to come with a 6.43-inch touchscreen display. OnePlus Nord 2 is expected to be powered by an octa-core MediaTek Dimensity 1200 processor and come with 8GB of RAM. The OnePlus Nord 2 is rumoured to run Android 11 and is expected to be powered by a 4500mAh battery. As far as the cameras are concerned, the OnePlus Nord 2 is rumored to pack a triple camera setup featuring a 50-megapixel primary camera; an 8-megapixel camera, and a 2-megapixel camera. The rear camera setup has autofocus. It is rumored to sport a single camera setup for selfies, a 32-megapixel primary camera. OnePlus Nord 2 is based on Android 11 and packs 128GB of inbuilt storage. The OnePlus Nord 2 is tipped to be a dual-SIM (GSM and GSM) mobile that will accept Nano-SIM and Nano-SIM cards. Connectivity options on the OnePlus Nord 2 are said to include Wi-Fi 802.11 a/b/g/n/ac/Yes, GPS, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE net

Cryptocurrency

What Is a Cryptocurrency?

A cryptocurrency is a digital or virtual currency that is secured by cryptography, which makes it nearly impossible to counterfeit or double-spend. Many cryptocurrencies are decentralized networks based on blockchain technology—a distributed ledger enforced by a disparate network of computers. A defining feature of cryptocurrencies is that they are generally not issued by any central authority, rendering them theoretically immune to government interference or manipulation.

KEY TAKEAWAYS

  • A cryptocurrency is a new form of digital asset based on a network that is distributed across a large number of computers. This decentralized structure allows them to exist outside the control of governments and central authorities.
  • The word “cryptocurrency” is derived from the encryption techniques which are used to secure the network.
  • Blockchains, which are organizational methods for ensuring the integrity of transactional data, is an essential component of many cryptocurrencies.
  • Many experts believe that blockchain and related technology will disrupt many industries, including finance and law.

How Cryptocurrency Works

Cryptocurrencies are systems that allow for the secure payments online which are denominated in terms of virtual "tokens," which are represented by ledger entries internal to the system. "Crypto" refers to the various encryption algorithms and cryptographic techniques that safeguard these entries, such as elliptical curve encryption, public-private key pairs, and hashing functions.


Types of Cryptocurrency

The first blockchain-based cryptocurrency was Bitcoin, which still remains the most popular and most valuable. Today, there are thousands of alternate cryptocurrencies with various functions and specifications. Some of these are clones or forks of Bitcoin, while others are new currencies that were built from scratch.

Types of Cryptocurrency

The first blockchain-based cryptocurrency was Bitcoin, which still remains the most popular and most valuable. Today, there are thousands of alternate cryptocurrencies with various functions and specifications. Some of these are clones or forks of Bitcoin, while others are new currencies that were built from scratch.


Bitcoin was launched in 2009 by an individual or group known by the pseudonym "Satoshi Nakamoto.” As of Nov. 2019, there were over 18 million bitcoins in circulation with a total market value of around $165 billion. 

Some of the competing cryptocurrencies spawned by Bitcoin’s success, known as "altcoins," include Litecoin, Peercoin, and Namecoin, as well as Ethereum, Cardano, and EOS. Today, the aggregate value of all the cryptocurrencies in existence is around $245 billion—Bitcoin currently represents more than 65% of the total value.

Advantages and Disadvantages of Cryptocurrency

Advantages

Cryptocurrencies hold the promise of making it easier to transfer funds directly between two parties, without the need for a trusted third party like a bank or credit card company. These transfers are instead secured by the use of public keys and private keys and different forms of incentive systems, like Proof of Work or Proof of Stake.

 In modern cryptocurrency systems, a user's "wallet," or account address, has a public key, while the private key is known only to the owner and is used to sign transactions. Fund transfers are completed with minimal processing fees, allowing users to avoid the steep fees charged by banks and financial institutions for wire transfers.

Disadvantages 

The semi-anonymous nature of cryptocurrency transactions makes them well-suited for a host of illegal activities, such as money laundering and tax evasion. However, cryptocurrency advocates often highly value their anonymity, citing benefits of privacy like protection for whistleblowers or activists living under repressive governments. Some cryptocurrencies are more private than others. 

Bitcoin, for instance, is a relatively poor choice for conducting illegal business online, since the forensic analysis of the Bitcoin blockchain has helped authorities to arrest and prosecute criminals. More privacy-oriented coins do exist, however, such as Dash, Monero, or ZCash, which are far more difficult to trace.

Criticism of Cryptocurrency 

Since market prices for cryptocurrencies are based on supply and demand, the rate at which a cryptocurrency can be exchanged for another currency can fluctuate widely, since the design of many cryptocurrencies ensures a high degree of scarcity. 

Bitcoin has experienced some rapid surges and collapses in value, climbing as high as $19,000 per Bitcoin in Dec. of 2017 before dropping to around $7,000 in the following months. Cryptocurrencies are thus considered by some economists to be a short-lived fad or speculative bubble. 

There is concern that cryptocurrencies like Bitcoin are not rooted in any material goods. Some research, however, has identified that the cost of producing a Bitcoin, which requires an increasingly large amount of energy, is directly related to its market price.

Cryptocurrency blockchains are highly secure, but other aspects of a cryptocurrency ecosystem, including exchanges and wallets, are not immune to the threat of hacking. In Bitcoin's 10-year history, several online exchanges have been the subject of hacking and theft, sometimes with millions of dollars worth of 'coins' stolen.

Nonetheless, many observers see potential advantages in cryptocurrencies, like the possibility of preserving value against inflation and facilitating exchange while being more easy to transport and divide than precious metals and existing outside the influence of central banks and governments.

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