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WHAT IS CRYPTOCURRENCY ?

By IBS ACADEMY

What is cryptocurrency?

Cryptocurrency (or “crypto”) is a digital currency, such as Bitcoin, that is used as an alternative payment method or speculative investment. Cryptocurrencies get their name from the cryptographic techniques that let people spend them securely without the need for a central government or bank.

Here are a few examples:

  • Bitcoin was initially developed primarily to be a form of payment that isn't controlled or distributed by a central bank. While financial institutions have traditionally been necessary to verify that a payment has been processed successfully, Bitcoin accomplishes this securely, without that central authority.

  • Ethereum uses the same underlying technology as Bitcoin, but instead of strictly peer-to-peer payments, the cryptocurrency is used to pay for transactions on the Ethereum network. This network, built on the Ethereum blockchain, enables entire financial ecosystems to operate without a central authority. To visualize this, think insurance without the insurance company, or real estate titling without the title company.

  • Scores of altcoins (broadly defined as any cryptocurrency other than Bitcoin) arose to capitalize on the various — and at times promising — use cases for blockchain technology.

  • What can you buy with cryptocurrency?

    When it was first launched, Bitcoin was intended to be a medium for daily transactions, making it possible to buy everything from a cup of coffee to a computer or even big-ticket items like real estate. That hasn’t quite materialized and, while the number of institutions accepting cryptocurrencies is growing, large transactions involving it are rare. Even so, it is possible to buy a wide variety of products from e-commerce websites using crypto. Here are some examples:

    Technology and e-commerce sites:

    Several companies that sell tech products accept crypto on their websites, such as newegg.com, AT&T, and Microsoft. Overstock, an e-commerce platform, was among the first sites to accept Bitcoin. Shopify, Rakuten, and Home Depot also accept it.

    Luxury goods:

    Some luxury retailers accept crypto as a form of payment. For example, online luxury retailer Bitdials offers Rolex, Patek Philippe, and other high-end watches in return for Bitcoin.

    Cars:

    Some car dealers – from mass-market brands to high-end luxury dealers – already accept cryptocurrency as payment.

    Insurance:

    In April 2021, Swiss insurer AXA announced that it had begun accepting Bitcoin as a mode of payment for all its lines of insurance except life insurance (due to regulatory issues). Premier Shield Insurance, which sells home and auto insurance policies in the US, also accepts Bitcoin for premium payments.

    If you want to spend cryptocurrency at a retailer that doesn’t accept it directly, you can use a cryptocurrency debit card, such as BitPay in the US.

    Cryptocurrency fraud and cryptocurrency scams

    Unfortunately, cryptocurrency crime is on the rise. Cryptocurrency scams include:

    Fake websites: Bogus sites which feature fake testimonials and crypto jargon promising massive, guaranteed returns, provided you keep investing.

    Virtual Ponzi schemes: Cryptocurrency criminals promote non-existent opportunities to invest in digital currencies and create the illusion of huge returns by paying off old investors with new investors’ money. One scam operation, BitClub Network, raised more than $700 million before its perpetrators were indicted in December 2019.

    "Celebrity" endorsements: Scammers pose online as billionaires or well-known names who promise to multiply your investment in a virtual currency but instead steal what you send. They may also use messaging apps or chat rooms to start rumours that a famous businessperson is backing a specific cryptocurrency. Once they have encouraged investors to buy and driven up the price, the scammers sell their stake, and the currency reduces in value.

    Romance scams: The FBI warns of a trend in online dating scams, where tricksters persuade people they meet on dating apps or social media to invest or trade in virtual currencies. The FBI’s Internet Crime Complaint Centre fielded more than 1,800 reports of crypto-focused romance scams in the first seven months of 2021, with losses reaching $133 million.

    Otherwise, fraudsters may pose as legitimate virtual currency traders or set up bogus exchanges to trick people into giving them money. Another crypto scam involves fraudulent sales pitches for individual retirement accounts in cryptocurrencies. Then there is straightforward cryptocurrency hacking, where criminals break into the digital wallets where people store their virtual currency to steal it.

    Is cryptocurrency safe?

    Cryptocurrencies are usually built using blockchain technology. Blockchain describes the way transactions are recorded into "blocks" and time stamped. It's a fairly complex, technical process, but the result is a digital ledger of cryptocurrency transactions that's hard for hackers to tamper with.

    In addition, transactions require a two-factor authentication process. For instance, you might be asked to enter a username and password to start a transaction. Then, you might have to enter an authentication code sent via text to your personal cell phone.

    While securities are in place, that does not mean cryptocurrencies are un-hackable. Several high-dollar hacks have cost cryptocurrency start-ups heavily. Hackers hit Coincheck to the tune of $534 million and BitGrail for $195 million, making them two of the biggest cryptocurrency hacks of 2018.

    Unlike government-backed money, the value of virtual currencies is driven entirely by supply and demand. This can create wild swings that produce significant gains for investors or big losses. And cryptocurrency investments are subject to far less regulatory protection than traditional financial products like stocks, bonds, and mutual funds.

    Four tips to invest in cryptocurrency safely

    According to Consumer Reports, all investments carry risk, but some experts consider cryptocurrency to be one of the riskier investment choices out there. If you are planning to invest in cryptocurrencies, these tips can help you make educated choices.

    Research exchanges:

    Before you invest, learn about cryptocurrency exchanges. It’s estimated that there are over 500 exchanges to choose from. Do your research, read reviews, and talk with more experienced investors before moving forward.

    Know how to store your digital currency:

    If you buy cryptocurrency, you have to store it. You can keep it on an exchange or in a digital wallet. While there are different kinds of wallets, each has its benefits, technical requirements, and security. As with exchanges, you should investigate your storage choices before investing.

    Diversify your investments:

    Diversification is key to any good investment strategy, and this holds true when you are investing in cryptocurrency. Don't put all your money in Bitcoin, for example, just because that's the name you know. There are thousands of options, and it's better to spread your investment across several currencies.

    Prepare for volatility:

    The cryptocurrency market is highly volatile, so be prepared for ups and downs. You will see dramatic swings in prices. If your investment portfolio or mental wellbeing can't handle that, cryptocurrency might not be a wise choice for you.

    Cryptocurrency is all the rage right now, but remember, it is still in its relative infancy and is considered highly speculative. Investing in something new comes with challenges, so be prepared. If you plan to participate, do your research, and invest conservatively to start.

WHAT IS ALT COIN?

By IBS ACADEMY

Altcoins are generally defined as all cryptocurrencies other than Bitcoin (BTC). However, some people consider altcoins to be all cryptocurrencies other than Bitcoin and Ethereum (ETH) because most cryptocurrencies are forked from one of the two. Some altcoins use different consensus mechanisms to validate transactions, open new blocks, or attempt to distinguish themselves from Bitcoin and Ethereum by providing new or additional capabilities or purposes.

Most altcoins are designed and released by developers with different visions or uses for their tokens or cryptocurrency. Learn more about altcoins and what makes them different from Bitcoin.

KEY TAKEAWAYS

  • The term altcoin refers to all cryptocurrencies other than Bitcoin (and for some people, Ethereum).
  • There are tens of thousands of altcoins on the market.
  • Altcoins come in several types based on what they were designed for.
  • The future of altcoins is impossible to predict, but if the blockchain they were designed for continues to be used and developed, the altcoins will continue to exist.

Altcoin

Understanding Altcoins

"Altcoin" is a combination of the two words "alternative" and "coin." The term generally includes all cryptocurrencies and tokens that are not Bitcoin. Altcoins belong to the blockchains for which they were explicitly designed. Many are forks—a splitting of a blockchain that is not compatible with the original chain—from Bitcoin and Ethereum. These forks generally have more than one reason for occurring. Most of the time, a group of developers disagree with others and leave to make their own coin.

Many altcoins are used within their respective blockchains to accomplish something, such as ether, which is used in Ethereum to pay transaction fees. Some developers have created forks of Bitcoin and re-emerged as an attempt to compete with Bitcoin as a payment method, such as Bitcoin Cash.

Others fork or are developed from scratch, attempting to create a blockchain and token that appeals to a specific industry or group, such as Ripple's attempt to attract the banking industry with a faster payment system.

WHAT IS BLOCKCHAIN?

By IBS ACADEMY

Blockchain is a decentralized and distributed digital ledger technology that allows for secure, transparent, and tamper-proof recording of transactions and information. It is a continuously growing chain of blocks, where each block contains a list of transactions or other data, and is cryptographically linked to the previous block. This creates a chain of blocks that cannot be altered without the consensus of the network participants, making it very difficult to tamper with or falsify the records stored on the blockchain. Blockchain technology has been used for various applications such as cryptocurrencies, supply chain management, digital identity, and more. It allows for a high degree of transparency, immutability, and security, and has the potential to revolutionize many industries by enabling more efficient and trusted data sharing and transactional processes.

TYPES OF BLOCKCHAIN

By IBS ACADEMY

Over the last ten years, Blockchain technology has undoubtedly advanced significantly. The first of the four types of blockchain was introduced with bitcoin, which presented a public blockchain, but there are various kinds of blockchain. The blockchain technology used by bitcoin is also known as the first generation of blockchain technology.

We are currently at a phase where various types of blockchain technology exist; each has a certain function and addresses a specific problem or group of difficulties. Numerous businesses are employing these different types of blockchain technology to maximize the benefits. In this article, we will explain the blockchains' types and other related details.

Look for Blockchain technology training online and learn in-depth Blockchain concepts with the guidance of industry experts.

What is Blockchain?

Blockchain, at its base, is a decentralized digital ledger that houses all types of data. Cryptocurrency transactions, NFT ownership, or DeFi smart contracts can all be recorded on a blockchain. A blockchain is a type of shared database, but in contrast to a traditional database, blockchains store information in blocks linked together using cryptography.

Although this type of data can be stored in any traditional database, blockchain is special in that it is completely decentralized. Imagine an Excel spreadsheet or a financial database. Still, instead of being kept in one place by a single controller, a blockchain database is held on numerous identical copies on numerous machines dispersed throughout a network. Nodes are the collective name for these distinct computers, and there are various types of nodes in the blockchain.

Some of the key features of blockchain are:

  • Fast: Without using any middlemen, transactions are sent directly from the source to the recipient.
  • Consistent: Blockchain networks run seven days a week, twenty-four hours a day, all over the world.
  • Cost-effective: Since blockchain networks do not have centralized, rent-seeking middlemen, they are less expensive to run.
  • Secure: The distributed network of nodes that makes up a blockchain defends against assaults and outages collectively.
  • Tamper-proof: Data on the blockchain is transparent and unchangeable once it has been time-stamped to the ledger, making it impervious to fraud and other illegal activity. A public blockchain network allows anybody with permission to observe the transactions made.

Permissionless vs Permissioned Blockchains

Permissionless, permissioned, or both can be used to categorize all different kinds of blockchains. Any user may access the blockchain network in an unknown fashion and be a "node," and permissionless blockchains do not limit the rights of nodes on the network.

In contrast, permissioned blockchains limit the nodes that can access the network and their potential access rights. The other users of a permissioned blockchain are aware of the identity of the users of that blockchain.

Since there are numerous nodes to validate transactions, permissionless blockchains are typically safer than permission blockchains since it would be challenging for malicious actors to coordinate on the network. Yet, due to the high number of nodes and the magnitude of the transactions, permissionless blockchains also frequently have slow transaction processing rates.

Permissioned blockchains, in contrast, typically operate more effectively. There are fewer nodes on the blockchain due to limited network connectivity, which reduces the processing time required for each transaction.

As with so many other benefits, there are drawbacks, and permissioned blockchains' faster processing times are no exception. Because permissioned blockchains are controlled by a single entity, they are less secure and more vulnerable to hacking attacks than decentralized systems. It could be a company, government, trade association, or other organization.

Administrators of private blockchains must ensure nodes contributing and validating blocks are highly trustworthy since the fewer nodes on a blockchain, the simpler it is for malicious actors to work together. Learn from expert blockchain trainers and develop blockchain-based applications to earn a good Blockchain professional salary.

WHAT IS CRYPTOGRAPHY?

By IBS ACADEMY

What is Cryptography?

BITCOIN VS. ETHEREUM

By IBS ACADEMY

You now know that Bitcoin is a digital currency that is decentralized and works on the blockchain technology and that it uses a peer-to-peer network to perform transactions. Ether is another popular digital currency, and it’s accepted in 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 the biggest and most valuable cryptocurrencies right now. Both of them use blockchain technology, in which transactions are added to a container called a block, and a chain of blocks is created in which data cannot be altered. For both, the currency is mined using a method called proof of work, involving a mathematical puzzle that needs to 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 the way real-life currency works. Ether is used as a currency within the Ethereum network, although it can be used for real-life transactions as well. Bitcoin transactions are done manually, which means you have to personally perform these transactions when you want them done. With ether, you have the option to make transactions manual or automatic—they are programmable, which means the transactions take place when certain conditions have been met. As for timing, it takes about 10 minutes to perform a bitcoin transaction—this is the time it takes for a block to be added to the blockchain. With ether, it takes about 20 seconds to do a transaction.

There is a limit to how many bitcoins can exist: 21 million. This number is supposed to be reached by the year 2140. Ether is expected to be around for a while and is not to exceed 100 million units. Bitcoin is used for transactions involving goods and services, and ether uses blockchain technology to create a ledger to trigger a transaction when a certain condition is met. Finally, Bitcoin uses the SHA-256 algorithm, and Ethereum uses the ethash algorithm.