Autor Cointelegraph By Murtuza Merchant

How to preserve capital during inflation using cryptocurrencies?

Just when the global economy largely recovered from the crippling effects of the COVID-19 pandemic, geopolitical tensions and the resultant supply chain pressures have once again roiled financial markets across the world. Furthermore, inflation has once again reared its ugly head, forcing central banks across major economies to raise interest rates in an attempt to curtail runaway prices of essential commodities like food and fuel. Despite these efforts, developed economies like the United States and the United Kingdom continue to report inflation at multi-year highs, adding even more stress on household savings and negatively impacting consumer spending. Apart from the threat of a looming recession, these inflationary pressures have a negative impact on the value of fiat money in the hands of consumers and highlight the need for financial tools or assets that can act as a hedge against inflation.Impact of current inflation on the global economyAlong with its impact on the purchasing power of a country’s fiat currency, inflation has a detrimental effect on the true returns generated by financial instruments, especially if the inflation rate exceeds the rate of return on investment. Take, for example, the S&P 500 index, which comprises the top 500 publicly traded companies in the USA and acts as the benchmark index for the country’s stock markets. Having generated an average annualized return of 11.82% since its inception in 1928, this index’s performance can seem quite spectacular at the outset. However, with the Consumer Price Index (CPI) climbing to a 40-year high of 9.1% in June 2022, the returns generated from investments made in mutual funds that mimic this index will be significantly lower. In fact, the index has provided an inflation-adjusted historic annual average return of just 8.5%, that too when the average CPI has been much lower than the currently reported numbers.Moreover, as the Federal Open Market Committee (FOMC) voted to increase the US Federal Reserve’s interest rate to a four-year high of 2.25% in July 2022, the U.S. dollar has appreciated significantly against a basket of fiat currencies including the euro, the Great British pound and the Japanese yen. While this has helped soften the prices of commodities like crude oil, it has a negative impact on the value of investments made by US citizens and companies at large in these economies. For savvy investors allocating capital toward emerging markets like Brazil, India and China, among others, the devaluation of these countries’ fiat currencies against the USD has only served to diminish returns on investments made in these markets.What does inflation mean for cryptocurrency?As compared to fiat currencies, cryptocurrencies like Bitcoin (BTC) have generated stellar returns for early-stage crypto investors. While the USD index has appreciated around 8% since August 2019, BTC has returned ~240% in the same period as per current prices. This is despite BTC correcting by ~60% from its peak in November 2021, further alluding to its long-term wealth creation potential. It can even be said that Bitcoin can protect people from the negative effects of inflation.Related: Bitcoin and inflation: Everything you need to knowA similar trend can be seen among other popular cryptocurrencies like Ether (ETH), BNB Coin (BNB) and Ripple (XRP), hinting at cryptocurrencies being a good investment during periods of high inflation withthe potential to generate inflation-beating retirement savings. Obviously, it is important to note that cryptocurrencies display much higher volatility compared with fiat currencies and are considered to be assets rather than pure currencies. Another aspect that favors cryptocurrencies like BTC is their limited token supply. With the original developer team setting Bitcoin’s maximum supply at 21 million BTC, it isn’t subject to the seemingly discretionary way in which fiat currencies like the USD are printed. This implies that under no circumstance will the number of BTCs in supply exceed the set limit, thus boding well for its long-term price appreciation potential. Even for cryptocurrencies like ETH that do not have a prescribed maximum supply limit, the mechanism of minting new tokens is based on code and computational work performed. No entity can mint ETH tokens without having created a new block on the Ethereum blockchain and the block reward mechanism depends on set factors like the complexity of calculations performed by miners. Compare this with the arbitrary way in which the U.S. Federal Reserve or any other Central bank in the world prints money and it is evident that cryptocurrencies operate in a much more transparent and democratic way.Are stablecoins a hedge against inflation?Among the broader cryptocurrency market, there are a growing number of crypto tokens being launched that are being specifically created to offer a better alternative to fiat currencies. Known as stablecoins, these cryptocurrencies are pegged to other traditional assets like the USD and gold, with their prices held stable by maintaining reserves equivalent in value to the number of tokens in supply. While some stablecoins are also backed by algorithms or are pegged to another cryptocurrency native to the same blockchain protocol, they all aim to provide crypto investors with a medium of exchange that can be transacted freely across geographical borders. Compared with fiat currencies or commodities such as gold, stablecoins are potentially better suited because:This is especially important for people native to countries like Turkey, Argentina, Ethiopia, Zimbabwe, or Lebanon, where hyperinflation has deemed their fiat currencies a risky medium of exchange. Typically used to describe a monthly inflation rate exceeding 50%, hyperinflation refers to a situation when there is an expeditious and uncontrollable price increase of important goods and services in an economy.As hyperinflation continues to erode the value of their currencies, people in such countries could switch over to stablecoins such as Tether (USDT), USD Coin (USDC) or Binance USD (BUSD) in order to protect their capital from rapid wealth erosion. By holding their savings in the form of stablecoins, they could preserve capital during inflation using cryptocurrencies and also benefit from the appreciation in the underlying peg to even increase the value of their savings. Since this is sacrosanct even in a high inflation and interest rate regime, hyperinflation has minimal effect on cryptocurrencies like stablecoins. Thus, for investors in economies plagued by high inflation, cryptocurrencies can act as an optimal investment, too.Is it a good idea to put your money in crypto during inflation?While there have been cases of cryptocurrencies failing miserably because of security concerns, fraud, or a combination of both, there are many cryptocurrencies that have stood the test of time and continue to attract hordes of investors. Related: How can third-world countries counter inflation using Bitcoin?Apart from BTC and ETH, altcoins such as Avalanche (AVAX) and Polygon (MATIC), among others,could be a long-term hedge against inflation. Investors could allocate some capital toward these cryptocurrencies to potentially reap profits in the long term while also using products such as staking pools to earn additional income from these investments. Going by historic data, it can also be a profitable strategy to prudently invest in cryptocurrencies that are currently trading near important support levels and simply hold them as a hedge against inflation.On the other hand, stablecoins, along with othercryptocurrencies, can be held in a digital or hardware wallet just like fiat currency in a traditional bank while still helping investors to protect their wealth from eroding in a hyperinflationary environment. In other words, stablecoins are safe from inflation as compared to currencies such as the Turkish lira, especially when they are pegged against the USD. That being said, there are afew stablecoins that have been notorious for trading below their peg, and investors would do well to maintain a cautious approach when trading or investing in them.Purchase a licence for this article. Powered by SharpShark.

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What is Chainlink VRF and how does it work?

Blockchain technology has spawned many applications over the past few years, the most popular being cryptocurrencies. It has also facilitated the creation of many decentralized, secure and transparent marketplaces in the digital economy. Offering far more trust since all transactions are immutably recorded on the blockchain, this technology has been well supplemented by the smart contract feature popularized by Ethereum. Decentralized applications (DApps) based on blockchains like Ethereum are disrupting traditional businesses such as retail banking and are even introducing use cases never deemed possible. Expanding the capability of smart contracts with oraclesHowever, for the Ethereum blockchain to support the development of DApps that go beyond merely facilitating transactions, they must interact with the external or off-chain world and integrate the incoming data into smart contracts, which is where blockchain oracle technology comes into play, bolstering smart contracts by linking them with real-world data, events and transactions. Now, many types of third-party services are available, such as inbound, outbound, software and hardware oracles, which are further expanding the number of real-world applications that blockchain protocols can power. Consensus-based oracle networks such as the Chainlink protocol provide end-to-end decentralization, which is key to securing the entire blockchain ecosystem in which they operate. Additionally, these oracles enhance smart contracts’ performance, functionality and interoperability to offer a higher degree of trust and transparency than on-chain systems. This transformation will come about through broadening the use of hybrid smart contracts, which fuse blockchains’ special properties with the unique capabilities of off-chain systems such as oracle networks, thereby achieving far greater reach and power than on-chain systems in isolation. What is Chainlink VRF?Many DApps in the blockchain gaming and nonfungible token (NFT) space require a tamper-proof and verifiable source for random number generation to provide advanced functionalities such as executing an airdrop, running a lottery or developing chance-based games. Related: A beginner’s guide to the GameFi ecosystemChainlink’s Verifiable Random (VRF) function relies on a decentralized oracle network (DON) to enhance existing blockchains by providing verified off-chain data. It can even facilitate the export of blockchain data to systems beyond the blockchain ecosystem. Chainlink VRF provides cryptographically secured randomness by employing a set of Chainlink nodes that relay data to smart contracts while maintaining a classical-consensus mechanism through a committee of these nodes. Offering random number generation (RNG) for smart contracts, Chainlink VRF helps developers build better experiences by leveraging random outcomes in their blockchain-powered applications. Moreover, the tamper-proof randomness provided by Chainlink VRF cannot be manipulated by any node operator, the user or even a malicious entity since every oracle in the DON has an associated private and public key pair, where the private key is maintained off-chain while the public key is published on-chain.How does Chainlink VRF work?A smart contract can utilize Chainlink VRF to obtain a secure and verifiable random number in four simple steps:Since Chainlink VRF uses two keys to generate a random but unpredictable value that can be verified through proof of correctness, it offers a far more secure and decentralized storage of individual keys for applications with the capability of generalized computation. Overcoming the drawbacks of insecure RNG solutions that rely on off-chain computing, Chainlink VRF’s on-chain cryptographic verification combines on-chain block data that is used as an input to supply unbiased and tamper-proof results that are safe even from compromised oracles in its own network.As a result of the superior capabilities provided by Chainlink’s on-chain RNG solution, use cases of Chainlink VRF include reliable smart contract applications in the decentralized finance (DeFi) space such as PoolTogether, where it allows for fairly gamified personal savings, andMoonbeam where it provides real-time price data for Polkadot (DOT) developers. It is also helping to distribute nonfungible tokens (NFTs) in a fair manner as in the case of Polychain Monsters and introducing entropy in on-chain gaming by providing verifiable randomness solutions as in the case of Axie Infinity (AXS). Developed as part of the Chainlink 2.0 ecosystem, Chainlink VRF is providing the computational resources and infrastructure needed for smart contracts to be capable of advanced functionalities. Together with other DONs, it is also facilitating a general-purpose framework that developers can use with complete trust.Related: Axie Infinity (AXS): A beginner’s guide to the gaming metaverse projectWhat is Chainlink VRF v2?In tune with its vision of constantly upgrading the features provided through its DONs,Chainlink has introduced Chainlink VRF v2 with several improvements revolving around how developers can fund and request randomness for their smart contracts. This includes the ability to generate multiple random outputs in a single on-chain transaction, reducing the time needed for a response while also reducing transaction costs or gas fees. It also allows for up to 100 smart contract addresses to fund requests for verifiable randomness from a single LINK subscription balance account, that would be managed by the developer or subscription owner.Additionally, Chainlink VRF v2 introduces a Subscription Manager application that permits developers to pre-fund multiple randomness requests using a single LINK token balance, doing away with the need to transfer tokens for each request and further reducing the applicable chainlink VRF fees considerably. In fact, it even lets developers adjust the callback gas limit when their smart contract applications receive verified randomness and allows for more complex logic in the callback request function. While the gas limits are higher than that set in Chainlink VRF, they depend on the underlying blockchain being used and are clearly defined on the VRF Contract addresses page.The benefits of Chainlink VRF v2 also include a greater customization ability since developers can now define how many block confirmations are needed before a random number is generated and delivered onto the blockchain. With a range of three to 200 blocks, developers can select the optimum number of block passes before randomness is generated, thereby protecting their applications from block re-organizations while still providing a far lower latency time from request to the final response. With Chainlink VRF v2, developers can now access highly scalable, gas-efficient and configurable on-chain randomness, which can unlock even greater functionalities for NFT and gaming DApps.As a result of the constant introduction of improvements by Chainlink, its VRF application is emerging as the de facto choice for most developers building DApps on the Ethereum network. Delivering on the promise of facilitating the introduction of provably secure blockchain-based applications, Chainlink VRF is enabling developers to create more practical applications that can interface with real-world data reliably. With blockchains now being able to connect with external data feeds in a trustless manner, Chainlink VRF represents a major step forward in the blockchain technology space as it grants developers the ability to push the frontiers of the Metaverse as we now know it.

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How to build your first blockchain on Substrate?

When Ethereum was launched in July 2015, the world was introduced to the concept of smart contracts that hoped to revolutionize the blockchain space and allowed anyone from developers to enthusiasts to deploy decentralized applications (DApps) on the Ethereum mainnet. With various DApps currently in use across different blockchains like Ethereum, they offer many use cases including banking, gaming, finance, online shopping and social media, with an ever-expanding user base across the globe.Having provided the infrastructure needed for developers to create innovative digital applications, Ethereum, however, has limitations such as limited scalability and high gas fees, factors that are now inhibiting developers from building specialized solutions that can rival popular centralized platforms like Twitter, Facebook and Netflix. To overcome these challenges and explore the possibilities of blockchain technology, Ethereum co-founder and its first chief technology officer Gavin Wood left the Ethereum Foundation and founded Parity Technologies to build blockchain infrastructure that can help create the foundation of a decentralized web, or Web3 as it is known.Related: Five major challenges in the blockchain industryArmed with a vast industry experience and deep understanding of creating blockchains, he went ahead to build Substrate as an open-source and future-proof blockchain framework for developers to build on, enabling them to tweak their blockchain’s architecture in line with changing customer preferences. Substrate-based blockchains can be integrated as parachains on networks such as Polkadot or Kusama and provide a high level of interoperability, helping to bring to market truly decentralized real-world solutions that are faster, cheaper and safer than ever before.What is substrate blockchain and how does it work?The vision of Web3 being a decentralized blockchain-based version of the internet depends on developers being able to create different blockchain applications that can interact with each other and with networks such as Ethereum and Bitcoin. Typically, a blockchain framework is used by blockchain developers to create such applications and by using in-built templates, they can save a lot of development time at the expense of limited customization ability.This is where Substrate, an open source blockchain framework for building customized blockchains, is enabling developers to quickly build blockchains based on field-tested code that is powering a large ecosystem of blockchain projects across the world. Comprising a voluminous collection of tools and libraries, Substrate is the primary blockchain software development kit (SDK) that was used to build the Polkadot layer-0 protocol and can be used by developers to create any type of blockchain.Related: What’s the difference between blockchain layers L0 and L1? The primary block of any blockchain is the node and relies on a decentralized network of these nodes or computers that communicate with each other to maintain the current ledger with the latest transactions. Each node in a blockchain network serves as both the client and the server, requesting and responding to requests for data as per requirements. What makes a Substrate node unique is the way in which these operational responsibilities are divided horizontally to provide a modular framework for building blockchains. Each Substrate node makes use of two main elements: an outer node that handles network activity and a runtime that determines transaction validity and is responsible for handling changes to the blockchain’s state transition function. The outer node is responsible for communicating with other nodes, managing the transaction pool, peer discovery and responding to remote procedure calls (RPC) or browser requests using Substrate’s RPC Application programming interface (API). By querying the Substrate runtime or by providing it with information, the outer node uses specialized runtime APIs to handle this communication.With the Substrate runtime handling everything that happens on-chain, it is the core component of the node for building blockchains and controls how transactions are included in blocks, how blocks are returned to the outer node or how the chain state is changed in response to transactions. Using host functions to communicate with the outer node, the Substrate runtime enables runtime validity checking and multi-platform compatibility, providing validation proofs for relay chain consensus mechanisms and offering support for fork-less upgrades to the node architecture.How does Substrate enable you to create a custom blockchain?Substrate offers greater freedom, flexibility and more optimization abilities than building on top of a general-purpose smart-contract blockchain like Ethereum. Moreover, Substrate-based blockchains can exist as “solo chains” or integrate into Polkadot or Kusama to become parachains. Developers may choose to first start with a Substrate node template, which is the basic unit in building a blockchain using Substrate and provides a lot of pre-built functionality with default implementations for aspects such as account management, consensus, privileged access and peer-to-peer (P2P) networking.These Substrate node templates are maintained in the Substrate Developer Hub and developers can also access Substrate’s large, active and helpful builder community that is continuously contributing to the ecosystem. For more complex projects, though, developers would want a higher degree of freedom to determine their blockchain’s logic and this is where Substrate’s Framework for Runtime Aggregation of Modularized Entities (FRAME) comes into play.FRAME is one of the most powerful tools provided by Substrate and comprises a number of modules and support libraries to simplify runtime development. These modules are also known as Substrate pallets and represent customizable business logic for use cases such as staking, governance, consensus and other important activities that developers may want to include in the runtime.Additionally, developers can use its system, support, and executive pallets to provide a vast range of services for the runtime environment. While one can build a Substrate-based blockchain without using FRAME, the different pallets and libraries enable developers to compose a custom runtime logic by using its predefined components as a starting point. By combining pre-built and custom pallets to infinitely control the features and functionality provided by the Substrate blockchain, developers can achieve specific results with a high degree of flexibility and convenience.How to create your first blockchain on substrate?Whether you are a newbie developer or someone with prior experience in using a blockchain framework, Substrate offers tutorials that focus on providing hands-on experience and the Substrate Playground for those who would like to experiment without much guidance. Substrate tutorials are suitable even for absolute beginners, covering all steps without going much into the coding details. Apart from these tutorials, Substrate provides a number of how-to guides on specific topics and additionally grants access to many open source projects that have been built using Substrate.However, it is important to understand how to work with pallets on Substrate in order to customize each node’s logic so that it can be used in conjunction with smart contracts to incorporate even more functionality in the resultant blockchain. Thus, Substrate offers all necessary support right from installation to successfully running your own custom blockchain. While it doesn’t have a native crypto-token, the Polkadot (DOT) token is most used considering the fact that it is compatible with other parachains in the Substrate and Polkadot ecosystem, reflecting its focus on interoperability and scalability.

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What is Enjin (ENJ) and how does it work?

What is Enjin and what are its main features?With blockchain-based nonfungible tokens (NFTs) powering the rise of Web3, a number of NFT-based projects are gaining significant importance, as they provide the technological means of assembling important data on blockchains in a visually appealing manner. Related: Nonfungible tokens: How to get started using NFTsLeading among them is Enjin, a world-class blockchain software co-founded by Maxim Blagov and Witek Radomski in 2009. Enjin helps build an entire Enjin ecosystem consisting of products that individuals, businesses and developers can use to develop, trade, monetize and market NFTs. Allowing users to manage NFTs and crypto through the Enjin wallet, lets them share NFTs through simple QR codes and provides them access to a dedicated marketplace to trade and collect rare NFTs. All transactions in the Enjin ecosystem are powered by the native Enjin (ENJ) token and the platform offers the functionality of managing all digital assets through a simple mobile app. It enables entrepreneurs to conceive gaming, art, music and sports-based NFT projects with the functionality to create custom coins without any coding requirements. The Enjin platform facilitates gas-free transactions for NFTs and ENJ through JumpNet, allowing for a seamless user experience that is made possible by its integration with all of its other products like Enjin Beam, Marketplace and Wallet.Combined with Efinity, a Polkadot-based parachain, Enjin allows creators to mint tokens on specialized blockchains that are focused on core functionality and provide superlative chain stability. With companies such as Microsoft, Samsung and BMW having integrated Enjin’s products and services into their blockchain-based rewards platforms, Enjin is enabling millions of users across the globe to safely manage and store their digital assets.Related: What is Polkadot (DOT): A beginner’s guide to the decentralized Web 3.0 blockchainAs the adoption of NFTs among individuals and companies across the world grows at an exponential pace, Enjin is well poised to emerge as one of the most important blockchain companies and this should translate into value creation for token holders of the native ENJ token.What is an Enjin coin (ENJ) and how does ENJ work?Launched by Enjin in 2017, ENJ is an ERC-20 compatible token that can be sent or received using an Ethereum wallet. ENJ is primarily used in various operations including purchasing, selling or trading NFTs using the various products provided by Enjin. Apart from this core purpose and the fact that it can integrate with multiple gaming platforms, ENJ can be used just like any other cryptocurrency and can be traded across crypto exchanges. Considering the maximum number of use cases in the gaming industry, ENJ allows gamers to store unique game items such as characters or accessories in the form of bespoke tokens, which can then be liquidated for ENJ when needed. Facilitated through the Enjin wallet, gamers can thus access various partner gaming platforms, keep track of the various tokens or collectibles and sell these digital assets for ENJ at their own convenience. For NFT fans, the Enjin platform and marketplace are emerging as one of the best options to discover and trade in NFTs, with Enjin’s software development kits (SDKs) enabling the creation and integration of digital assets into games and apps with ease. Each of these in-game items is ascribed a value in ENJ and allows gamers to trade NFTs, coins and other items outside of the gaming environment with utmost security. What makes ENJ unique is that, unlike many popular cryptocurrencies, it has established itself as a token with a number of Enjin use cases and is a viable option for those looking to invest in cryptocurrencies for the long term.How and where to buy Enjin coin?Enjin’s vision has resulted in the development of a scalable and cross-chain token network that is making the process of minting, trading and converting NFTs into tangible token value that is very user-friendly. Additionally, it has made NFTs far more accessible and affordable, with faster and cheaper transactions leading to a significant increase in the overall NFT trading volume. As NFTs witness increasing adoption among industry participants and users alike, tokens like ENJ will play a key role in unlocking immense value through unique digital and real-world assets like game tokens.Available on leading crypto platforms and exchanges like Binance US, Crypto.com, Bithumb, Gemini, Swissborg, Kriptomat, Voyager and Blockchain.com, anyone can purchase ENJ using fiat currencies like the United States dollar or by trading other cryptocurrencies. If you are looking to buy and exchange the ENJ tokens, follow the steps below- Is ENJ a good investment?By enabling developers to mint items for gaming environments in the form of NFTs, the Enjin platform and the ENJ token will be one of the most preferred options for both users and businesses alike. As more users get involved in this rapidly growing virtual economy, NFTs and cryptocurrencies will take center stage in fortifying the metaverse and are bound to emerge as the primary mediums for transacting in the digital space. In that sense, Enjin and its native token ENJ have the potential to assume leadership status in this bustling space, something that token holders and potential investors could benefit from. As the number of platforms using Enjin’s suite of products increases, there will be an associated increase in demand for ENJ tokens, a factor favorable for further price appreciation. What’s more, every time developers need to mint NFTs for their respective projects, they will lock the value in ENJ into a smart contract and the same is released when the item is sold. With a maximum supply limit of 1 billion tokens, ENJ’s value is poised to appreciate as demand for the token increases amid the backdrop of scarcity in supply.Moreover, the United Nations Global Compact has accepted Enjin as a participant and the network isexploring ways on how to use NFTs to promote sustainability and equality. The token also has the distinction of being the first regulatory-approved gaming token in Japan, a feat ENJ achieved in January 2021 when it was legally authorized for trade by the Japanese Virtual Currency Exchange Association. With the help of Enjin’s technology prowess and its solid footing as a secure platform for NFT-based applications, Enjin’s founders are committed to achieving net-zero emissions from electricity consumption and plans to enable carbon-neutral NFTs by 2030.With the max supply of ENJ tokens capped at one billion, there could be market scarcity in the future which will help in controlling the token’s inflation rate. ENJ empowers its holders to access the Enjin ecosystem, one which is ever-expanding with new innovations and presents a unique opportunity for those who would like to invest in the future of virtual asset trading.

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How to earn crypto passive income with forks and airdrops?

When cryptocurrencies like Bitcoin (BTC) go through bear phases like the one we currently find ourselves in, the idea of earning passive income from one’s holdings becomes all the more attractive for long-term investors. Related: Decentralized finance: A beginner’s guide to earning passive income with DeFiDifferent methods such as staking,lending, cloud mining, and yield farming have become popular in the past few years and involve rewarding investors with money or tokens for the crypto tokens invested in the mechanism. However, with hard forks or airdrops, users who are active in the crypto ecosystem can forage for tokens or projects that offer additional tokens in proportion to their vested holdings as a reward for a variety of reasons. Since both are intended at increasing the popularity of the project or as part of a promotional campaign, hard forks and airdrops work differently and come into existence through completely unique mechanisms.Let us look at what differentiates crypto airdrops from hard forks and how one can benefit from them when invested in the crypto market for the long term.What is a crypto airdrop and how does it work?Considered to be like manna from heaven for crypto fans willing to experiment with different projects, crypto airdrops require minimum technical knowledge and potentially lower risks. A crypto airdrop is a gratuitous distribution of a cryptocurrency coin or token to existing token holders, also known as token giveaways colloquially. Usually associated with the launch of a new project or cryptocurrency, the intent of an airdrop is to gain more user traction in a market that is flooded with thousands of crypto tokens and coins.Purely promotional in nature, users do not have control over when an airdrop might occur, and it is usually done by developers or crypto entrepreneurs to reward existing token holders with additional tokens or coins for free. The quantum of tokens awarded is based on the invested amount or contributions made toward a project and is similar to how traditional brands offer freebies to popularize a new product offering.There are two types of crypto airdrops: retroactive airdrops and takeover airdrops, with key differences between the two being at which stage they are being offered and their specific purpose. A retroactive airdrop is generally announced when an existing blockchain protocol is planning to unveil its native crypto token and rewards early users or those who have contributed to the project prior to a particular date. It is a very popular tool for creating hype around the soon-to-be-launched token. Meanwhile, it also serves as a liquidity creation mechanism and helps with audience engagement by awarding tokens in exchange for retweets, feedback or even increasing followers on social media.Takeover airdrops are employed when decentralized finance (DeFi) protocols want to snatch users away from the competition or increase their chances of retaining them by offering greater rewards. While it is a comparatively more aggressive form of an airdrop, takeover airdrops are targeted at liquidity providers and users who have displayed higher engagement in activities such as staking so as to attract them away from a competing DeFi protocol.DeFi aggregator 1INCH conducted a number of airdrops with the specific intention of enticing rival Uniswap users to shift to its platform, rewarding specific user sets in a series of airdrops and acting as a classic example of how free crypto airdrops are utilized.Advantages and disadvantages of crypto airdropsThey have long been considered an unorthodox form of radical marketing in the crypto space, but crypto airdrops have become increasingly popular. Innumerable projects use this method to spur the adoption of their new crypto tokens. Airdrops offer superlative benefits for crypto entrepreneurs and investors alike, making them the most preferred marketing tool to create initial hype and catalyze user traction — two elements that are critical for a new coin’s success.For crypto firms aiming to launch a native token for their blockchain or DeFi protocol, crypto airdrops are possibly the simplest and most cost-effective mode of advertising in the crypto world today. Even though it involves expending a lot of tokens, and that, too, for free, these form a rather small portion of the overall tokens to be brought into circulation and are a sure-shot way of generating excitement among other crypto token holders as they see users earn crypto from the free airdrops.On the flip side, airdrops can have a negative implication if too many tokens are given as part of the airdrop, diluting the market value of the token and impacting the token’s price in the process. Moreover, most of the addresses that receive the airdrop could sell the received tokens immediately once it is listed, which will again exert downward pressure on the token’s price. For users, it is also important to conduct due research to weed out dump airdrops or crypto scams that are getting more sophisticated with time.If the token increases in popularity and demand, these airdropped tokens can potentially generate even more returns as the value of the token increases in tune. By simply following a project on its various social media handles or by sharing news about it with friends, crypto airdrops reward crypto users with free tokens that can be worth hundreds of dollars, with absolutely no strings attached.In fact, for crypto wallet holders or those holding specific crypto tokens, airdrops are a great way of making good profits on what is basically a zero investment and can be a great way of generating passive income in the crypto markets. All one needs to do is to stay tuned to projects or companies that are slated to offer airdrops and take advantage of them.Thus, not only can you make money from crypto airdrops by immediately selling the received tokens on a crypto exchange, you can opt to hold them for a longer duration and potentially increase the chances of generating even more returns.What are hard forks and how do they work?More often than not, blockchain protocols undergo alterations to produce a new blockchain that runs in parallel with the original but may differ in terms of the end utility that it offers to users and token holders. One of the most prominent examples of such a parallel blockchain is the Bitcoin Cash (BCH) fork, creating a P2P cash system in the process from what is essentially a Bitcoin hard fork.Related: Soft fork vs. hard fork: Differences explainedThere are other Bitcoin forks such as Bitcoin Gold, and they demonstrate how hard forks are created by changing the base protocol’s code to create a parallel version of it that is intended for a different purpose. Moreover, since the newly created blockchain requires a native token for its users to transact with, a hard fork results in the creation of a new crypto token and creates value for those who were invested in the original coin. A notable example of this was when each BTC holder received an equivalent amount of BCH tokens in August 2017, generating sizable returns considering a listing price of $900 for Bitcoin Cash on cryptocurrency exchanges.With an increasing number of new blockchain protocols being created and many more branching out through hard forks, it is easy to see how investors can benefit from hard forks without assuming high risks. However, not all hard forks originate from an intention to create a new system, with some being the product of a crypto debacle. Take the example of the Ethereum hard fork, Ethereum Classic (ETC), which even supports a different consensus mechanism and has the native ETC token that can be exchanged on cryptocurrency exchanges freely. Hived off from the “official” Ethereum blockchain, it came into existence in response to the attack on Ethereum’s most notable project, The DAO, and issued tokens to all existing ETH holders in a 1:1 ratio. Originally intended as a new decentralized business model for commercial and non-profit entities, The DAO was subject to a vulnerability attack which led to a few users siphoning off one-third of its funds to a secondary account. When the Ethereum community voted to hard-fork the original blockchain in order to restore the lost funds, it split the blockchain into two branches and the unforked blockchain was renamed Ethereum Classic.For discerning investors, there are many opportunities often available to invest in blockchain protocols before a hard fork and potentially take advantage of the additional new tokens on offer. However, it is important to conduct thorough research and invest only in those tokens that have sound fundamentals in order to make money from hard forks.Pros and cons of hard forksHard forks provide developers with the opportunity to add new functionalities without having to alter the original blockchain, especially when it has a huge user base that would not like any changes to be made. It also involves less computational power than employing a soft fork and provides more privacy too.What’s more, token holders and investors are issued extra hard fork tokens, which can be immediately monetized or held to benefit from long-term appreciation, a scenario with a high probability if the hard fork succeeds in its objective and gains prominence in the crypto space. However, this may not always be the case, as demonstrated by BCH, which is trading near all-time lows since its issuance in 2017.Apart from the chances of price erosion, users of the hard fork face a higher risk of losing their token holdings in the light of an attack. Because a hard fork occurs as a result of the underlying blockchain being split, it is often perceived as detrimental to the security of the network, making them more vulnerable to malicious attacks. This is especially true if the split occurs between the nodes and miners, as it exposes the blockchain and its fork to bad actors who could use their computing power to overcome the network to steal funds. Irrespective of the type of attack, the intention is either to undermine the network’s reputation, which could lead to price erosion for the native token, or to steal funds from the network itself and divert them to accounts on another network. This would result in investors losing capital on the hard fork tokens as well as the original token. Therefore, it is important to research the actual improvements being made in a hard fork and whether the developers have taken the necessary precautions to insulate the fork from any attack. Investors can benefit from hard forks if they stay abreast of the latest developments and spot the right opportunities to generate income by earning crypto through hard forks.

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