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Dec 25, 2022

Nation celebrating 147th Birthday of Quaid e Azam Muhammad Ali Jinnah today.

 by m a sohail

The nation on Sunday celebrated the 147th birth anniversary of Father of the Nation Quaid-e-Azam Muhammad Ali Jinnah across the country with a renewed commitment to follow his vision and work hard for the progress and prosperity of Pakistan.

Quaid-e-Azam Muhammad Ali Jinnah was born on 25 December 1876 in Karachi. His birthday is a national holiday and the national flag is hoisted on major government buildings across the country. The day dawned with special prayers for the safety, progress and prosperity of the country. Special events were organized on the day to highlight and promote the thoughts and views of the Quaid-e-Azam.

Muhammad Ali Jinnah was a lawyer and politician and served as the leader of the All India Muslim League from 1913 until the independence of Pakistan on 14 August 1947 and then as the first Governor-General of Pakistan until his death on 11 September 1948.

To mark the day, Pakistan National Council for the Arts (PNCA) organized various cultural events in connection with the birth anniversary of Quaid-e-Azam Mohammad Ali Jinnah.

A painting exhibition, a tableau and a speech competition were organized to educate the youth about Quaid's vision and his ideology of Pakistan. Various activities were held in government and private organizations across the country to highlight the lifelong political struggle of Quaid-e-Azam and his guiding principles of unity, faith and discipline.

A changing of the guard ceremony took place in Mazar-e-Quaid. Several people from all walks of life visited the tomb to pay tribute to Quaid-e-Azam for the services he rendered for the creation of a separate homeland for the Muslims of the subcontinent.

through his tireless efforts, ability, determination and extraordinary nature, the great Quaid materialized his dream of creating Pakistan. "We as a nation need to embrace these attributes to realize the Quaid's vision of a developed, progressive and tolerant Pakistan."

It was a privilege for our generation and our children to be born in independent Pakistan, which could not have been our destiny without the struggle of Quaid-e-Azam.

"The Quaid's vision of a peaceful and progressive Pakistan based on the principles of unity, faith and discipline is essential to our success as a nation." greetings to the Christian community in the armed forces and across Pakistan on Christmas. greetings to the Christian community in the armed forces and across Pakistan on Christmas. From the inception of Pakistan till date, their sacrifices and contributions in the service of Pakistan are phenomenal.

Dec 22, 2022

WhatsApp has introduced a new feature to bring back deleted messages.

by m.arshad sohail



Social networking app WhatsApp has introduced a new feature that brings deleted messages back to the chat window. this is new feature for whatsApp used devices.

The news was introduced by the well-known application WhatsApp at the beginning of December, but it was not for all users, but now WhatsApp has officially announced this feature. The new WhatsApp feature has been rolled out for all desktop, Android and iPhone users.

Users often mistakenly delete a message using the Delete For Me command instead of the Delete For Everyone command, which only removes the message from them but reaches the other user.

It should be noted here that after deleting a message, the undo option will only be available for a few seconds, after which the option will disappear.

Now this will not happen and when the error is detected, an Undo option will appear with the deleted message, pressing it will bring the deleted message back to the screen.

It should be noted here that after deleting a message, the undo option will only be available for a few seconds, after which the option will disappear.

Dec 12, 2022

What is 5G Technology, how does it works? What are its uses?

Written by M. Arshad Sohail 



Table of content:

  1. What is 5G technology?
  2. 8 specifications
  3. 5G speed
  4.  How fast will 5G take-up be?
  5. Difference between 4G and 5G
  6. 5G and the previous mobile generations.
  7.  Virtual networks.
  8. Uses of 5G technology
  9. When 5G technology is coming?
  10. 5G Technology for All.
  11. What are implications
  12. What does it mean for consumers and operators?
  13. What's the relation between 5G and satellites?
  14.  5G boost the commercialization of IoT devices
  15.  How does it work?
  16.  5G is the answer to increasing data traffic
  17.  Will 5G technology be secure?
  18. Conclusion.

 

1-What is 5G and 5G TECHNOLOGY?

5G is a new generation of wireless communication. It lays the groundwork for new customer experiences such as augmented reality gaming, industrial machine networking and smart devices. This technology will also provide the basis for digitization in many areas of our lives. Not only cities, but also rural regions will benefit from the introduction of T5G: By the end of 2024, the mobile communication standard will reach 99% of the German population.

Digital connections between humans and machines are evolving at breakneck speed. This requires powerful networks and an appropriate infrastructure. Growing data volumes require faster data transfer.

What is 5G? 5G represents a new stage in the development of mobile communications. Above all, it will revolutionize mobile data transmission by providing higher capacities within individual cells of mobile radios. However, the new 5G features are not limited to better use of mobile data. The 5G network also offers a number of other options.

Let's see how 5G technology will change the world.

5G technology is groundbreaking.

The next generation of telecommunications networks (fifth generation or 5G) started on the market at the end of 2018 and will continue to expand worldwide.

In addition to speed improvements, the technology is expected to unleash a vast 5G IoT (Internet of Things) ecosystem where networks can serve the communication needs of billions of connected devices with the right trade-offs between speed, latency and cost.

2-5G 8 Technology Specifications:

I. Data transfer speed up to 10 Gb/s – > 10 to 100 times faster than 4G and 4.5G networks

II. 1 millisecond latency

III. 1000x bandwidth per unit area

IV. Up to 100x the number of connected devices per unit area (compared to 4G LTE)

V. 99.999% availability

VI. 100% coverage

VII. 90% reduction in network energy consumption

VIII. Up to 10-year battery life for low-power IoT devices

3- Speed ​​of 5G technology

5G speeds top out at 10 gigabits per second (Gbps). 5G is 10 to 100x faster than what you can get with 4G. According to communication principles, the shorter the frequency, the greater the bandwidth.

The use of shorter frequencies (millimeter waves between 30 GHz and 300 GHz) for 5G networks is why 5G can be faster. This high-bandwidth 5G spectrum provides the expected increase in speed and capacity, low latency and quality.

According to the February 2020 issue of Fortune Magazine, average 5G speed measurements taken on 3/4 quarter 2019 range from:

I.                     220 megabytes per second (Mbps) in Las Vegas,

II.                   350 in New York,

III.                 380 in Los Angeles,

IV.                 450 in Dallas,

V.                   to 550 Chicago,

 and more than 950 in Minneapolis and Providence approx. This is 10 to 50 times more than 4G LTE.

4- How fast will the 5G rollout be?

The expected adoption rate of 5G is significantly different from all previous generation networks (3G, 4G).

While the previous technology was driven by the use of mobile internet and the availability of "killer apps", 5G is expected to be mainly driven by new uses of the Internet of Things, such as connected and self-driving cars.

Globally, the number of 5G users worldwide is expected to explode from less than 200 million in 2019 to 1.02 billion in 2023 (Fortune February 2020).

Ericsson announced that there were 660 million 5G subscribers at the end of 2021.

• According to a November 2020 Ericsson report, 5G will reach 4.4 billion subscribers by the end of 2027, making it the fastest generation ever deployed globally.

5- Difference between 4G and 5G

The current mobile communication standard is known as Long Term Evolution (LTE). With network coverage and speed, this technology covers almost all consumer needs and offers sufficient data flow for various everyday applications, such as mobile streaming of sports content or data exchange via messenger applications.

Internet to massive IoT (Internet of Things) from 2019/2020.

Compared to today's 4G and 4.5G (aka LTE Advanced, LTE-A, LTE+ or 4G+), the main development is that in addition to improving data speeds, new IoT and mission-critical communications use cases will require a new level of improved performance.

I.                    Low latency, for example, provides real-time interactivity for services using the cloud: this is the key to the success of self-driving cars, for example.

II.                  5G vs 4G also means at least x100 connected devices. 5G must support 1 million devices per 0.386 square miles or 1 km2.

III.                Low power consumption is also what will allow connected objects to function for months or years without the need for human assistance.

6-5G and previous mobile generations.

In the past four decades, mobile phones, more than any other technology, have quietly changed our lives forever. Remember how much you loved your 2G Nokia 3310?

A. 1G, the first generation of telecommunications networks (1979), let's talk and be mobile

b. 2G digital networks (1991) allow us to send messages and travel (with roaming services)

C. 3G (1998) brought a better mobile internet experience (with limited success)

d. 3.5G brought the truly mobile internet and unleashed the mobile app ecosystem

E. 4G networks (2008) brought all-IP services (voice and data), fast broadband Internet with unified network architectures and protocols

F. 4G LTE (for Long Term Evolution), starting in 2009, doubled data speeds

G. 5G networks (2019) extend broadband wireless services beyond mobile Internet to IoT and critical communications segments

7- Virtual networks.

5G will support all communication needs from a low power local area network (LAN) - such as home networks such as Wide Area Networks (WAN) with the right latency/speed settings. Today, this need is addressed by the aggregation of different communication networks (Wi-Fi, Z-Wave, LoRa, 3G, 4G, etc.) and 5G is more innovative.

5G is designed to enable simple virtual network configurations to better align network costs with application needs. This new approach will enable 5G mobile network operators to capture a larger piece of the IoT market pie by providing cost-effective solutions for low-bandwidth, low-power applications.



8-What is the real use of 5G?

Each new generation wireless network came with a new set of new uses.

The next upcoming 5G will be no exception and will focus on IoT and mission-critical communications applications. Regarding the schedule, we can mention the following use cases over time: Fixed wireless access (from 2018-2019 onwards)

Enhanced mobile broadband with 4G redundancy (from 2019-2020-2021) Massive M2M / IoT (from 2021-2022) Very low latency critical IoT communication (from 2024-2025)

Some critical applications, such as self-driving cars, require very aggressive latency (fast response time) while not requiring fast transfer rates.

9-When is 5G technology coming?

According to GSMA Intelligence, 170 mobile operators have launched commercial 5G services as of November 2021, with a population penetration of 7% at the end of 2021. The study predicts 25% of global connections by the end of 2025. North America 5G was available in some locations in 2019. In most areas, launched in 2020.

In the US, more precisely, ATT announced nationwide coverage in the first half of 2020. Verizon 5G was the first operator to roll out 5G.

Deutsche Telekom launched 5G in Berlin, Darmstadt, Munich, Bonn and Cologne in September 2019. In December 2021, large cities (53% of the territory) are now covered by 5G services. Telcos in France have announced 5G offers until the very end of 2020, with real availability in 2021. In the UK, many cities saw 5G in 2019 and more in 2020. EE, Vodafone and O2 have been actively deploying 5G since mid-2019.

India Telcos are preparing to roll out 5G in 2022. China Unicom set up 5G in several locations in 2019. China Mobile said it had deployed more than 560,000 5G base stations as of November 2021. GSMA expects 460 million 5G connections in China by 2025.

Find more resources: worldwide 5G availability as of January 24, 2022 or view Ookla's interactive weekly updated 5G map. In short, 2019-2020 is when 5G takes off, and 2021 and 2022 are when 5G networks and 5G phones are widely available.

10-5G Technology for all

By early 2022, 1,250 5G devices from 180 vendors have been announced. Phones account for nearly 50% of announced 5G compatible devices (GSA report). ATT launched fifteen 5G phones in October 2020 in the US. We can count on twenty 5G devices from Verizon. Some are priced under $600.

At the Consumer Electronics Show, at least two companies unveiled new 5G phones that will cost less than $500. These cheaper phones will help make 5G more affordable for many of us. Similarly, Samsung released its new line of Galaxy S phones in San Francisco. These new devices will likely be priced lower than the company's current 5G phone lineup.

On October 13, 2020, Apple released its long-awaited 5G-compatible iPhone. All four iPhone 12 models support 5G. These four models support three types of 5G services based on different frequencies: "lowband", "midband" and mmWave (millimeter wave, the fastest).

 11-What are the implications of 5G for mobile operators?

1. 5G is still a mobile broadband technology and it is a network of networks.

2. PMS expertise and knowledge in building and operating networks will be key to 5G success.

3. The implementation of 5G networks while maintaining the operation of 3G and 4G networks is likely to create a new challenge for mobile network operators in terms of spectrum frequency options (especially if the expected massive IoT volume occurs).

4. Mobile network operators will need to operate new spectrum in the range of 6 to 300 GHz (typical 5G bandwidth), which means extensive investment in network infrastructure.

5. 5G networks are planned to support virtual networks such as low-power, low-throughput (LPLT) networks for low-cost IoT on the cost-saving side. Unlike today

12-5G for consumers.

For consumers, 5G does not only mean faster mobile internet, but mainly internet connection in many more objects than you see today.

The car and the home are two examples of the big IoT revolution that is coming, supported by 5G networks.

Samsung and other Android OEMs introduced the first 5G smartphones in 2019. According to an October 2020 GSA report, 148 5G phones are already commercially available.

5G SIM cards debuted in 2019 and 2020.

Discover the defining benefits of 5G SIM for virtualized 5G networks.

13-What is the relationship between 5G and satellites?

5G satellite communications - directly from the sky to the device - will soon become a reality.

Indeed, the next generation of satellites will bring 5G capabilities on board to ensure full 5G coverage of the Earth, in addition to 5G terrestrial mobile networks.

Specifically, for space systems, 5G will offer higher availability, reliability and resilience, along with broadcast and multicast capabilities.

We expect 5G to support a wide range of applications (e.g. agriculture, logistics, public safety) so that everyone in the world can connect.

Thales Alenia Space, together with manufacturers of space equipment and mobile phones, supports the 3GPP efforts to develop solutions that include the vision of a single global space network fully integrated with the networks of 5G mobile operators.

In early 2021, South Korean operator KT SAT, a subsidiary of the world's first commercial 5G service provider Korea Telecom, led a 5G satellite demonstration using the Koreasat 5A geostationary telecommunications satellite to provide 5G network to remote areas. Recently, Hellas Sat conducted a successful 5G demonstration in Greece.

14-Security of 5G technology

4G networks use the USIM application to perform strong mutual authentication between the user and their connected device and networks.

The entity hosting the USIM application can be a removable SIM card or an embedded UICC chip. This strong mutual authentication is essential to enable trusted services.

Security solutions today are already a mix of security at the edge (device) and security at the core (network). In the future, multiple security frameworks may co-exist, and 5G will likely reuse existing solutions used today for 4G networks and the cloud (SE, HSM, certification, over-the-air provisioning and KMS).

The standard for strong mutual authentication for 5G networks was finalized in 2018. The need for 5G security, privacy and trust will be as strong as 4G, if not stronger, with the increased impact of IoT services.

Local SEs in devices can secure network access and support secure services such as emergency call management and IoT virtual networks.

In order to accommodate this new paradigm in data delivery, 5G infrastructures are being built.

15- 5G supports the commercialization of IoT devices.

Wi-Fi wireless is a "Local Area Network" technology with limited operating range and very limited speed and latency.

Many IoT services require more ubiquity, greater mobility, and faster performance and response time. 5G will truly unleash a vibrant IoT ecosystem.

The "perception" of speed, instant response time and IoT performance will become a reality with 5G. For example, the expected success of self-driving cars will only be possible when 5G networks are available.

16- 5G is the answer to growing data traffic.

Data traffic continues to grow worldwide. Network operators face a huge challenge to meet the demand for fast and ubiquitous data connections by providing faster and larger wireless networks.

Now that people around the world are connected by default, we are taking another step into the future: Communications are expanding to include machines and devices connected to the Internet of Things.

A number of services will focus, for example, on the requirements of industry. Production processes will be automated. Innovative applications such as smart home technologies and entertainment solutions based on virtual reality will make our private lives more convenient and secure.

The basis is 5G technology, which opens almost endless possibilities for new uses. This means that formulating a single definition of 5G is not easy. 5G enables people and companies to participate in digital progress. For Deutsche Telekom, this is both an incentive and a challenge.

17- 5G-How does it work?

5G technology achieves the expected high efficiency using advanced modulation techniques and network terminologies such as:

1. Aggregation of operators

Carrier aggregation is a technique used in advanced LTE to improve system efficiency. In carrier aggregation, two or more carrier signals are aggregated to support a wider bandwidth, allowing even up to 100 MHz.

CA uses three techniques for aggregation: in-band contiguous: two carriers are transmitted on adjacent channels (as shown).

In-band discontinuous: two carriers are transmitted channel-spaced. Cross-band: In this technique, different LTE bands are used simultaneously for transmission.

2. Millimeter waves

Millimeter waves are one of the effective solutions for dealing with data transfer rates. It has more bandwidth for simultaneous transmission and reception of data from the base station and the UE (telephone). Future 5G deployments will use 5G-NR spectrum capable of gigabit/s data transmission.

5G technology allows phones to automatically switch to faster internet only when needed and keeps data activity lower when no apps are in use. This method significantly saves battery life. For example: checking email does not require more bandwidth.

3. Small Cell Concept

To increase the efficiency of the network, the cell is divided into micro and Pico cells. The reusability of the spectrum makes it possible to add more users in a small geographical area and work with networks more efficiently.

A mobile network typically used a single base station to cover a large geographic area (2-10 km circle) using low-frequency spectrum. Since 5G uses more spectrum, the waves will be distorted when traveling a longer distance. The typical cell concept is that 5G will cover a very small area compared to third and fourth generation networks.

4. The OUTSIDE concept

MIMO is a transmission technology using multiple antennas for transmission and reception. Using this technology, simultaneous data transfer is possible and thus offers an efficient transfer rate. The more antennas, the more transmission and reception can be done.

5. Wi-Fi load

Reducing Wi-Fi load is one of the main functions of future networks. It allows the user to connect using a wi-fi network and the cellular network can be assigned to other users. It would be suitable for some places where the cellular network quality is poor and users still have the option to connect to the network without cellular reception.

6. Communication between devices

 D2D communication is a technique where a network authorizes two neighboring devices to communicate directly with each other. The network will have control over the devices and allow the operator to determine the routing of traffic between direct and network paths. While not on the network, one device can connect to another device.

7. Cloud - access to the radio network

C-RAN is a network technology used for effective communication with centralized information processing performed remotely within a cloud system. The signal will be processed at a remote location and the base stations will be connected by the most efficient optical connection. It provides many advantages in system implementation and maintenance and is highly efficient.

18- Conclusion

As an improved version of LTE - 4G technology, 5G technology allows us to connect everything with higher speed, lower latency and higher security. By the end of 2022, global 5G subscribers are expected to be around 580 million, a small percentage of the world's population. It requires upgrading base station capabilities, licensing, spectrum distribution, cooperation between network operators and equipment upgrade.


Dec 7, 2022

What is cryptocurrency? How does it works? What are its advantages and disadvantages?

 

written by M. Arshad Sohail

Table of content

1-      What is Cryptocurrency

2-      How does cryptocurrency created?

3-      Features of cryptocurrency

4-      Cryptocurrency how does work?

5-      Storage of cryptocurrency

6-      Key steps

7-      How do exchange works?

8-      What are different types of cryptocurrencies?

9-      Cryptocurrency Scams

10-    History of cryptocurrency

11-   Difference between cryptocurrency and conventional currency.

12-    Future of cryptocurrency

13-    Advantages and disadvantages

14-    Best cryptocurrency to invest

15-    FAQs

1-What is cryptocurrency?

Cryptocurrencies are digital currencies secured by cryptography. It can act as a medium of exchange to sell, buy or trade goods and services without the need for an intermediary such as a bank.

A cryptocurrency is an encoded string of data representing a unit of currency. Peer-to-peer networks called blockchains monitor and organize cryptocurrency transactions such as buying, selling, and transferring, and also serve as secure transaction ledgers. By utilizing encryption technology, cryptocurrencies can serve as both a currency and an accounting system.

A cryptocurrency is a digital or virtual currency that is meant to be a medium of exchange. It is quite similar to real-world currency, except that it has no physical embodiment and uses cryptography to work.

For example, with Bitcoin, a miner will only be rewarded with Bitcoins after a block is added to the blockchain, and only then can new Bitcoins be generated. The limit for bitcoins is 21 million; after that no more bitcoins will be produced. Because cryptocurrencies are digital assets, they cannot be held physically – they only exist online.

2- How is cryptocurrency created?

What is mining Mining is the process by which new coins are put into circulation. It is done using computers to solve computational math problems and is done to secure the network.

Mining relies on distributed ledger technology (often referred to as "blockchain"). Blockchain is an independent public peer-to-peer network that is currently unregulated. Blockchain securely stores a series of time-stamped records (cryptocurrency transactions) within a decentralized network.

 

3- Features of cryptocurrency

a) Non-refundable

It is very difficult for anyone but the person who owns the cryptocurrency to move it. Since the owner owns the private key, he has a unique code to access it. Once transactions are recorded, they cannot be changed.

b) Limited offer

 Most cryptocurrencies have a limited and predetermined supply. There are different kinds of cryptocurrencies that trade differently.

c) Cryptocurrencies with N26

N26 has a number of resources to help you understand the latest developments in the world of finance. From cryptocurrencies for beginners to the details of What is a crypto wallet?, N26 is by your side every step of the way, allowing you to make informed financial decisions backed by reliable information.

4-How does cryptocurrency work?

Cryptocurrencies are designed to work in different ways.

Some cryptocurrencies are meant to act like money; function as a means of payment. Others have more in common with traditional investments such as stocks, bonds or funds.

Cryptocurrencies are largely unregulated, which means there can be a high level of risk involved in investing in them.

5-Crypto currency storage?

A cryptocurrency wallet gives you access to cryptocurrencies and allows you to buy, store and hold them. Some wallets only support one type of coin, while others support more.

Each wallet has a private and public key. You can think of the public key as your wallet address because, like a bank account number, people use it to send cryptocurrency to your wallet. The private key works like a PIN or password; you enter it to send and receive cryptocurrency. Your wallet can be on an external device, software, PC, smartphone or online account linked to the exchange.

6 -Key Steps to Buying Cryptocurrency?

• Step 1: Choose the best cryptocurrency exchange.

• Step 2: Open a business account and confirm your email. Connect your phone now.

• Step 3: Verify your identification in the third step. Next, fund your account.

• Step 4: Buying and Investing in Cryptocurrency.

• Step 5: Save your cryptocurrency.

• Step 6: Choose a strategy in the last step.

 


7-How do exchange wallets work?

Wallets stored on exchanges are called hosted web wallets, which means your keys are stored online by a trusted third party.

This gives you the ability to recover your password if you forget it, but you don't have ultimate control over your funds because they are stored by someone else (and therefore at risk of hacking).

Most exchanges allow you to keep cryptocurrency in your online account. Cryptocurrency exchanges are completely digital and, like any virtual system, are vulnerable to hackers, malware and malfunctions.

Although exchanges take steps to keep their platforms secure, wallets provided by exchanges can be hacked. A serious hack could bankrupt a cryptocurrency exchange.

8 – What are the different types of cryptocurrencies?

Bitcoin (BTC), Ethereum (ETH), Tether (USDT), USD Coin (USDC) and Binance Coin (BNB) are some of the popular ones.

Cryptography in Bitcoin Transactions

In a normal bitcoin transaction, first there are the details of the transaction: who you want to send bitcoins to and how many bitcoins you want to send. Then the information is passed using a hashing algorithm. Bitcoin uses the SHA-256 algorithm. The output is then passed through a signature algorithm with the user's private key used to uniquely identify the user. The digitally signed output is then distributed over the network for other users to verify. This is done using the sender's public key.

Users who check a transaction to see if it is valid or not are known as miners. Then the transaction and several others are added to the blockchain where the details cannot be changed. The SHA-256 algorithm looks something like the image below.

Bitcoin vs. Ethereum

Now you know that Bitcoin is a digital currency that is decentralized and works on blockchain technology and that it uses a peer-to-peer network to conduct transactions. Ether is another popular digital currency and is accepted on the Ethereum network. The Ethereum network uses blockchain technology to create an open-source platform for building and deploying decentralized applications.

Similarities

Bitcoin and Ether are currently the largest and most valuable cryptocurrencies. Both use blockchain technology, in which transactions are added to a container called a block, creating a chain of blocks in which the data cannot be changed. For both, the currency is mined using a method called proof of work, which involves a mathematical puzzle that must be solved before a block can be added to the blockchain. Finally, both Bitcoin and Ether are widely used around the world.

Differences

Bitcoin is used to send money to someone. The way it works is very similar to how currency works in real life. Ether is used as a currency on the Ethereum network, although it can also be used for real-life transactions. Bitcoin transactions are done manually, which means you have to do these transactions in person when you want to do them. With Ether, you have the option to make transactions manually or automatically – they are programmable, meaning that transactions take place when certain conditions are met. In terms of timing, it takes about 10 minutes to complete a Bitcoin transaction – that's how long it takes to add a block to the blockchain. With ether, it takes about 20 seconds to complete a transaction. As of May 2020, 1 Bitcoin equals $8741.81 and 1 Ether equals $190.00.

Cryptocurrencies have unique properties and perform different tasks and functions. In the UK, they fall into the following categories, most of which (except CBDC) can be bought on various exchanges.

                                    #basicsofcryptocurrency

9-Cryptocurrency Scams?

There are scams in the cryptocurrency world. To avoid becoming a victim of fraud, it is good to be aware of scams.

i) Fake applications or websites

 There are fraudulent apps or websites that look very similar to well-known apps and websites. Always use a website with a small lock icon next to the website address and an https link. If you're using an app, make sure it's verified.

ii) Fraudulent Emails

they may look like emails you received from a legitimate business. Always check the address the email came from to confirm it is from a real company.

iii) Unrealistic claims

 some scammers guarantee that you will make an exorbitant profit, release money or receive large payouts with guaranteed returns. Fraudsters cannot back up these claims with details or truthful explanations.

10-A Brief History of Cryptocurrency

In the caveman era, people used a barter system in which goods and services are exchanged between two or more people. For example, someone might exchange seven apples for seven oranges. The barter system fell out of popular use because it had some glaring flaws:

• People's needs must match - if you have something to trade, someone else must want it, and you must want what the other person has to offer.

• There is no common measure of value - you have to decide how much of your items you are willing to trade for other items, and not all items can be split. For example, you cannot divide a living animal into smaller units.

• Goods cannot be easily transported, unlike our modern currency that fits in a wallet or is stored in a mobile phone.

After people realized that the barter system wasn't working very well, the currency went through several iterations: In 110 BC, an official currency was minted; in 1250 gold-plated florins were introduced and used in Europe; and from the 1600s to the 1900s, paper currency gained widespread popularity and eventually came into use around the world. This is how the modern currency as we know it was born.

                                #howcaninvestincryptocurrency

Modern currency includes paper currency, coins, credit cards and digital wallets – such as Apple Pay, Amazon Pay, Paytm, PayPal and so on. Everything is controlled by banks and governments, which means that there is a centralized regulatory body that restricts the functioning of paper currencies and credit cards.

11- Difference between traditional currencies and cryptocurrencies?

Imagine a scenario where you want to repay a friend who bought you lunch by sending money online to their account. There are several ways this can go wrong, including:

• A financial institution may have a technical problem, such as its systems not working or machines not working properly.

• Your account or your friend's account may have been hacked - such as a denial-of-service attack or identity theft.

• The transfer limits for your account or your friend's account may have been exceeded.

There is a central point of failure: the bank.

This is why the future of currency lies in cryptocurrency. Now imagine a similar transaction between two people using a Bitcoin app. A notification will appear asking if the person is sure they are ready to transfer bitcoins. If yes, the processing will take place: The system will verify the identity of the user, check if the user has the required balance to complete the transaction, etc. Then the payment will be transferred and the money will come to the recipient's account. All this happens in a matter of minutes.

Cryptocurrency thus removes all the problems of modern banking: There are no limits to the funds you can transfer, your accounts cannot be hacked, and there is no central point of failure. As mentioned above, there are more than 1,600 cryptocurrencies available as of 2018; some popular ones are Bitcoin, Litecoin, Ethereum and Zcash. And every day a new cryptocurrency appears. With how much growth they're experiencing right now, there's a good chance there will be plenty more to come!

12-The future of cryptocurrency

The world is clearly divided when it comes to cryptocurrencies. On one side are advocates like Bill Gates, Al Gore and Richard Branson who say cryptocurrencies are better than regular currencies. On the other side are people like Warren Buffet, Paul Krugman and Robert Shiller who are against it. Krugman and Shiller, who are both Nobel laureates in economics, call it a Ponzi scheme and a vehicle for criminal activity.

In the future, there will be a conflict between regulation and anonymity. Since several cryptocurrencies have been linked to terrorist attacks, governments would like to regulate how cryptocurrencies work. On the other hand, the main emphasis of cryptocurrencies is to ensure that users remain anonymous.

Futurists believe that by 2030, cryptocurrencies will occupy 25 percent of national currencies, which means that a significant part of the world will begin to believe in cryptocurrencies as a method of transaction. It will be increasingly accepted by traders and customers and will continue to have a volatile nature meaning that prices will continue to fluctuate as they have for the past few years.

This concludes our cryptocurrency course. If you want to learn more about blockchain (the underlying technology behind cryptocurrencies like Bitcoin), check out Simplilearn's Blockchain Basics. To learn even more and get a blockchain certification to boost your resume, take the Blockchain Certification Course.

If you have any questions in the article “what is cryptocurrency”, please ask in the comment section below. Our experts will get back to you as soon as possible.

                            #cryptocurrency the future

13- ADVANTAGES AND DISADVANTAGES OF CRYPTOCURRENCY

5- Advantages of cryptocurrency

While cryptocurrencies are a relatively recent invention (Bitcoin, for example, started in 2009), they are definitely here to stay, with all their benefits. From the prospect of big returns to 24/7 trading on an ultra-secure, transparent infrastructure, the cryptocurrency world has a lot to offer – if you know how to tap into it.

1. High risk – and the potential for high rewards

There are more than 10,000 cryptocurrencies on the market today, and each of them has its own peculiarities. However, all cryptocurrencies have a few things in common – such as their tendency to experience sudden jumps (and drops) in value. Prices are primarily driven by the supply of coins from miners and the demand for them from buyers. And this supply and demand dynamic can lead to high returns. For example, the price of Ethereum roughly doubled from July 2021 to December 2021 – quite a payoff for investors who got in at the right time.

2. The blockchain technology that underpins cryptocurrency is inherently secure

Some of the main advantages of cryptocurrencies are not associated with the currencies themselves, but with the infrastructure that supports them. That's the blockchain – a decentralized ledger for data storage that tracks every transaction made on it. Once you make a record on the blockchain, it can never be erased. And with the blockchain stored decentralized on multiple computers, no hacker can access the entire chain at once; all information stored in it is safe forever good.

3. Goodbye to traditional banks - hello to a fairer and more transparent financial system

Overall, our financial system revolves around third-party intermediaries that process transactions. That means if you make a transaction, you're putting your trust in one or more of these intermediaries—and the recession of the early 2000s made many people wonder if that was a good idea. Blockchain and cryptocurrencies offer an alternative. They can be viewed by anyone, anywhere, so you can participate in financial markets and make transactions without any intermediaries.

4. Crypto trades around the clock

Another advantage that cryptocurrencies have over banks is that crypto markets are always open. With coin mining and 24/7 transaction recording, you don't have to wait for the NYSE, NASDAQ or any other exchange to start trading on a given day if you want to buy, sell or trade cryptocurrencies. This has had such an impact that mainstream exchanges are considering trading shares outside normal banking hours - although that may still be a long way off. So for investors who are on the go 24/7, cryptocurrencies could be the best way to generate income outside of regular business hours.

5. Cryptocurrencies could help investors beat inflation

Cryptocurrencies are not tied to a single currency or economy, so their price reflects global demand rather than, say, national inflation. But what about the inflation of cryptocurrencies themselves? As an investor, you can rest easy for the most part. The number of coins is limited so the amount available cannot get out of control and thus no inflation. Some coins (like Bitcoin) have an overall cap, others (like Ethereum) have an annual cap, but either way this approach keeps inflation at bay.

5-disadvantage of cryptocurrency

That's a lot of glitter, but is the outlook for cryptocurrencies really that golden? Let's look at some of the disadvantages. Some are easy to solve, others less so - but it's always worth keeping them in mind.

1. Understanding cryptocurrency takes time and effort

Cryptocurrencies can take a while to get the hang of. Unless you're a digital native, the concept of cryptocurrency (let alone blockchain) can feel anything but second nature. And trying to invest in something you don't really understand is a risk in itself. There are plenty of online resources to help you (including the N26 blog series on cryptocurrencies), but you'll still need to spend some time to really understand the pros and cons of investing in cryptocurrencies.

2. Cryptocurrencies can be an extremely volatile investment

While the price of a cryptocurrency can shoot to dizzying heights (with attendant benefits for investors!), it can just as quickly sink to terrifying lows. So if you're looking for steady returns, this might not be the best bet. The cryptocurrency market inherently favors speculation, and its relatively small size makes it more vulnerable to price fluctuations. This in turn can cause confusion with the value of the coins - one of the main disadvantages of cryptocurrency.

3. Cryptocurrencies have not yet proven themselves as a long-term investment

While cryptocurrencies have become widely known and continue to gain popularity, it's worth remembering that they've only been around for a little over a decade. The concept only really emerged with the publication of the Bitcoin white paper in 2008. Stock markets, on the other hand, can look back on a century of history. The London Stock Exchange, for example, was founded in 1801. Gold has been a proven store of value for millennia. But cryptocurrencies? No one really knows what will happen to cryptocurrencies in the future – and you have to be brave to step into these uncharted waters as an investor.

4. Crypto has serious scalability issues

You could be forgiven for thinking that digital currencies work at lightning speed – and they do, to an extent. But at some level, they encounter major problems that make it difficult to expand them on a large scale. Cryptocurrency providers themselves admit that this is a problem, with the people behind Ethereum saying that the blockchain has reached "certain capacity constraints" that slow down the speed of transaction processing. This can be a frustrating experience for those involved in the transaction, not to mention the potential financial losses it can cause.

5. Cryptocurrency beginners are vulnerable to security risks

Cryptocurrencies may not have the risks associated with using central intermediaries, but that does not mean they are completely without security issues. As a cryptocurrency owner, you can lose the private key that gives you access to your coins – and with it, all your holdings. And then there's hacking, phishing, and all the other attempts to gain control through malicious means. This is something that seasoned investors are wary of, but newer investors are more susceptible to these kinds of traps.

14- The best cryptocurrency to invest.

There is no cryptocurrency that is significantly better than all the others. It comes down to personal preference, but there are things you might want to watch out for. Think about your individual risk tolerance; can you lose a substantial part of your investment if the value of your chosen coin plummets? Are you only using the coin to generate revenue or are you hoping to pay with it as well? Is it just the money, or do you want to invest in a coin with a broader social or environmental impact? One easy approach is to simply pick the market leader, Bitcoin. It is the original cryptocurrency and at the same time the one that has built the largest information base.

What are the advantages and disadvantages of Bitcoin?

Bitcoin, which trades under the abbreviation BTC, comes with a number of benefits. It has a cap of 21 million coins, is guaranteed to be inflation-proof, and its high prices certainly offer investors room to reap the rewards. And Bitcoin is the most widely used cryptocurrency for payments. Of course, this has its drawbacks. Bitcoin's blockchain infrastructure starts to slow down once it exceeds seven transactions per second (a real problem when you consider that Visa processes around 1,700 transactions per second!). And because it's the most well-known cryptocurrency of all, it's a prime target for hackers and fraudsters of all stripes. For more information about Bitcoin, see our, what is Bitcoin? Article.

What else should I know before trading cryptocurrencies?

Cryptocurrencies can be a minefield for new investors. From unfamiliar terminology to complex technology, it's a topic that takes some getting used to. As with everything, there are benefits and risks involved in trading cryptocurrencies, but N26 is here to help. Whether you want to pay for your daily necessities with Bitcoin or use another coin to boost your investment portfolio, we can show you all the pros and cons of cryptocurrency.

                               # images and types of cryptocurrency

15 -free questions (FAQ)

1. What are the most popular cryptocurrencies?

Consider buying Ravencoin, Ethereum and Bitcoin today and keep forever. Due to their volatility, cryptocurrencies are best suited for those who can tolerate risk. For these investors, investing in leading cryptocurrencies now, while the market is unreliable, can pay off in the long run. One of the largest cryptocurrency exchanges in the world, Binance, has its own coin called BNB. Although Binance Coin was first designed as a token to pay for discounted transactions, it is now used to make payments and purchase various goods and services.

2. Are cryptocurrencies securities?

Crypto derivatives such as Bitcoin futures are offered on the Chicago Mercantile Exchange, the largest and most comprehensive financial market in the world. According to the Securities and Exchange Commission (SEC), Ethereum and Bitcoin are not securities.

3. How do cryptocurrencies work?

Digital currency or cryptocurrency is an alternative payment method developed using encryption methods. By utilizing encryption technology, cryptocurrencies can function as both a medium of exchange and a virtual accounting system. In order to use cryptocurrencies, you need a cryptocurrency wallet. Blockchain networks power cryptocurrencies. Blockchain is simply a growing collection of digital blocks that serve as a ledger. Blockchain's distributed ledger allows data to be stored on multiple computers in a network. Nodes are individual computers that verify and store data.

4. How to invest in cryptocurrency?

Opt for the bitcoin exchange of your choice. Then create an account with a bitcoin exchange. Spend fiat money to fill your account. Choose the cryptocurrency you want to buy. Place a buy order for the cryptocurrency of your choice.

5. What is the minimum amount you can invest in cryptocurrencies?

You can buy or sell digital money for as little as $2.00 ($2 or €2) denominated in your home currency.

6. How many cryptocurrencies are there?

There are already more than 12,000 cryptocurrencies and the rate of growth is simply astounding. The number of cryptocurrencies more than doubled between 2021 and 2022. By the end of 2021, the market had added approximately 1,000 new cryptocurrencies per month.

            bitcoin and cryptocurrency shapes

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