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Investing","slug":"trading-and-investing","updated":null,"chapter":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters/learn-crypto-trading.jpg","chapter_simple":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters-simple/crypto-trading-101.jpg","rating":80,"sections":[{"slug":"where-to-trade-crypto","title":"Where Can You Trade 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Them?","featured_image_id":11359,"status":"published","chapter_id":7,"language":"en","order":4,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/what-is-an-airdrop","featured_image":{"id":11359,"uuid":"7b43c968-1275-4d3e-acb1-1707a43a4014","public_url":"https://assets.bitdegree.org/crypto/storage/optimized/what-is-an-airdrop-featured-image.jpg","path":"crypto/storage/optimized/what-is-an-airdrop-featured-image.jpg","original_path":"crypto/storage/original/what-is-an-airdrop-featured-image.jpg","name":"what-is-an-airdrop-featured-image.jpg","original_name":"what-is-an-airdrop-featured-image.jpg","title":null,"alt":null,"width":1024,"height":576,"disk":"spaces","status":"uploaded","readable_file_size":"66.05KB"},"youtube_video":null},{"slug":"how-to-get-free-crypto","title":"How to Get Free Crypto 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Principles","featured_image_id":null,"status":"published","chapter_id":7,"language":"en","order":6,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/how-to-arbitrage-crypto","featured_image":null,"youtube_video":null},{"slug":"what-is-fud","title":"What is FUD: How to Use It to Your Advantage While Investing in 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Taxes","featured_image_id":6526,"status":"published","chapter_id":7,"language":"en","order":11,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/how-to-avoid-crypto-taxes","featured_image":{"id":6526,"uuid":"1e44162c-ef1d-4010-81b4-9e8d1809aedf","public_url":"https://assets.bitdegree.org/crypto/storage/media/how-to-avoid-crypto-taxes.o.jpg","path":"crypto/storage/media/how-to-avoid-crypto-taxes.o.jpg","original_path":"crypto/storage/media/how-to-avoid-crypto-taxes.jpg","name":"how-to-avoid-crypto-taxes.o.jpg","original_name":"how-to-avoid-crypto-taxes.jpg","title":null,"alt":null,"width":768,"height":478,"disk":"spaces","status":"uploaded","readable_file_size":"99.10KB"},"youtube_video":null}]},{"id":8,"title":"Crypto 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About","featured_image_id":null,"status":"published","chapter_id":8,"language":"en","order":2,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/best-technical-analysis-indicators-for-crypto","featured_image":null,"youtube_video":null},{"slug":"what-is-candlesticks","title":"Technical Analysis: What are Candlesticks, Trendlines, and Patterns?","featured_image_id":null,"status":"published","chapter_id":8,"language":"en","order":3,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/what-is-candlesticks","featured_image":null,"youtube_video":null},{"slug":"how-to-track-new-crypto-coins","title":"Crypto Tracking: How to Track Your Favorite Coins & Tokens?","featured_image_id":null,"status":"published","chapter_id":8,"language":"en","order":4,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/how-to-track-new-crypto-coins","featured_image":null,"youtube_video":null},{"slug":"how-to-research-crypto","title":"Crypto Research Fundamentals & Social Signals: Your Daily Trading Strategy","featured_image_id":null,"status":"published","chapter_id":8,"language":"en","order":5,"modified_content":null,"preview_url":"https://www.bitdegree.org/crypto/learn/how-to-research-crypto","featured_image":null,"youtube_video":null}]},{"id":9,"title":"Mining","slug":"mining","updated":false,"chapter":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters/learn-crypto-mining.jpg","chapter_simple":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters-simple/crypto-mining-101.jpg","rating":80,"sections":[]},{"id":10,"title":"Crypto Terms","updated":false,"chapter":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters/crypto-101-glossary.jpg","chapter_simple":"https://assets.bitdegree.org/crypto/assets/crypto-book/chapters-simple/crypto-glossary-101.jpg","rating":100,"sections":["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"]}],"nextSection":{"id":825,"original_id":null,"author_id":42,"translator_id":null,"title":"What is x86 Virtual Machine (Qtum)?","slug":"what-is-x86-virtual-machine-qtum","section":"X","keyword":"x86 Virtual Machine (Qtum)","status":"published","definition":"x86 Virtual Machine – a machine created by Qtum for executing smart contracts in various programming languages.","content":"<p>The <strong>x86 Virtual Machine (VM)</strong>, developed by the Qtum team, can run <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-smart-contract/">smart contracts</strong></a> written in a variety of languages. This VM is quite similar to the current <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-ethereum-virtual-machine-evm/">Ethereum Virtual Machine (EVM)</strong></a>, although it has a few noticeable improvements. These improvements include:</p>\n<ul>\n<li>The Qtum VM can <strong>read contracts in any programming language</strong> that supports a <a href=https://www.bitdegree.org/"https://en.wikipedia.org/wiki/Just-in-time_compilation/" target=\"_blank\" rel=\"nofollow noindex noopener\"><strong>JIT compiler</strong></a>, including <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-c-plus-plus/">C++, <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-java/">Java, <a href=https://www.bitdegree.org/"https://en.wikipedia.org/wiki/Python_(programming_language)/" target=\"_blank\" rel=\"nofollow noindex noopener\"><strong><strong>Python</strong></strong></a>, and other popular languages widely used in application development (EVM only reads <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-solidity/">Solidity language).</li>\n<li>The Qtum has implemented two new pricing models &ndash; fixed-fee per transaction and charge per transaction, in addition to supporting the standard gas model <em>(when users pay for each completed operation in a smart contract)</em> on <strong>Ethereum</strong>.</li>\n<li>The Qtum VM supports x86 registers and memory operations through a unified 16-bit instruction encoding approach that drastically reduces gas costs in common scenarios. This allows developers to do more operations per transaction on the Qtum blockchain, increasing its <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-throughput/">throughput./n/n

What Is Qtum?</h3>\n<p>Qtum is an open-source blockchain project that intends to combine <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-bitcoin-btc/">Bitcoin's stability with <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-ethereum-eth/">Ethereum's flexibility. It was <strong>created in</strong> 2016 by the Singapore-based Qtum Foundation, under the leadership of Patrick Dai, Neil Mahi, and Jordan Earls. Its <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-mainnet/">mainnet, on the other hand, <strong>was launched in 2017</strong>.</p>\n<p>Qtum protocol is a hybrid of Bitcoin Core, <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-proof-of-stake-pos/">Proof-of-Stake (PoS) consensus</strong></a>, and the EVM. It <strong>enables the execution of smart contracts using a PoS consensus mechanism</strong>. This helps save electricity and decreases the risk of centralization compared to <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-proof-of-work-pow/">Proof-of-Work (PoW) consensus</strong></a>.</p>\n<p>Moreover, Qtum uses a <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-decentralized-governance/">Decentralized Governance</strong></a> Protocol (DGP) to ensure that the <strong>blockchain continues to function even if a few nodes fail</strong>. DGP enables the modification of certain blockchain characteristics such as block size, gas price, and block interval without the requirement for a <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-hard-fork-blockchain/">hard fork</strong></strong></a>. It uses an <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-unspent-transaction-output-utxo/">unspent transaction output (UTXO)</strong></a> model for faster transaction processing, but it can also handle smart contracts in the same way as Ethereum does.</p>\n<p>The DGP in Qtum gives node operators particular choice privileges when it comes to updates like <strong>hard forks</strong>. Before modifications are applied to the blockchain, node operators must establish a consensus. This keeps the network from being destabilized by bugs or hacks, and it gives users explicit standards for keeping track of changes.</p>\n<p>Although there are other crypto projects seeking to achieve the same aims as Qtum, it is worth mentioning that <strong>Bitcoin's UTXO mechanism is what distinguishes it from them</strong>. Besides, Qtum is a platform that aims to create smart contracts and <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-are-decentralized-applications-dapps/">decentralized applications (dApps)</strong></a> that could be deployed in enterprise settings.</p>","level":"medium","meta_title":"What is x86 Virtual Machine (Qtum)? Definition & Meaning | Crypto Wiki","meta_description":"x86 Virtual Machine (Qtum) meaning: x86 Virtual Machine (Qtum) - x86 Virtual Machine – a machine created by Qtum for executing smart contracts in various programming languages.","meta_keywords":null,"language":"en","created_at":"2022-04-04T08:36:00.000000Z","updated_at":"2022-05-13T14:32:24.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-x86-virtual-machine-qtum"},"prevSection":{"id":1030,"original_id":null,"author_id":42,"translator_id":null,"title":"What are Whiskers (Wicks)?","slug":"what-are-whiskers-wicks","section":"W","keyword":"Whiskers (Wicks)","status":"published","definition":"the lines in a candlestick chart that extend from the colored bar and show the whole low-high range of a trading pair during a given time frame.","content":"<p>A whisker (also known as a wick) refers to <strong>the vertical lines that run above and below the core boxes or bars. </strong>Typically, it appears on a graph of a financial product, asset, or security. The graphs are usually referred to as <strong><a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-are-candlesticks/">candlestick charts</a>.</strong></p>\n<p>Every candlestick chart segment usually has <strong>a solid box.</strong> It's also referred to as a candlestick body. A solid box is created by the starting and closing prices. Two whiskers go above and below the solid box.<strong> </strong>If the box and whiskers are red (or black), the price of the underlying asset declined during that time period. However, if the box and whiskers are green &ndash; the price grew.</p>\n<p>The candle represents the asset's opening and closing prices. The whiskers, on the other hand, represent the upper and lower limits of the underlying asset's price during a certain time period.</p>\n<p>The whiskers themselves display price extremes. This allows traders to have a better understanding of market <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-sentiment/">sentiment <strong>and <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-market-momentum/">momentum. Essentially, whiskers are generated as a visual record of price movement in relation to the opening and closing prices.</p>\n<p>The whisker's length is important:</p>\n<ul>\n<li>Short wicks indicate that the highest (or the lowest) price is close to the opening (or the closing) price.</li>\n<li>A lengthy wick suggests that the market experienced higher levels of volatility. Some technical analysts believe that <strong>a lengthy wick generally signals a price reversal. </strong>In this case, the market moves in the opposite direction of the wick.</li>\n</ul>\n<p>In addition, candles can also be <strong>wickless.</strong> The closing and opening prices of these candles match the high and low markings of that particular candlestick. The shape of such candles is square or rectangular.</p>\n<p>Candlestick patterns are definitely something that should be considered when trying to understand and forecast market sentiment and price movements. However, it's crucial to remember that <strong>candlestick analysis should be used in conjunction with other tools and technical analysis indicators.</strong></p>","level":"medium","meta_title":"What are Whiskers (Wicks)? Definition & Meaning | Crypto Wiki","meta_description":"Whiskers (Wicks) meaning: Whiskers (Wicks) - the lines in a candlestick chart that extend from the colored bar and show the whole low-high range of a trading pair during a given time frame.","meta_keywords":null,"language":"en","created_at":"2022-05-25T06:52:57.000000Z","updated_at":"2022-06-07T11:49:23.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-are-whiskers-wicks"},"currentChapter":"W","currentSection":"what-is-wrapped-ether-weth","chapterTitle":"W","readingLevel":"easy"},"url":"/crypto/learn/crypto-terms/what-is-wrapped-ether-weth","version":"cdd198d50cbe5c9c21c9329d7c096ffc"}" class="container-fluid d-flex crypto-book p-0">
Handbook Cover Page
Crypto Terms: Letter W

What is Wrapped Ether (WETH)?

Wrapped Ether (WETH) MEANING:
Wrapped Ether (WETH) - the ERC-20 compatible version of Ether.
Easy
1 minute

Let's find out Wrapped Ether (WETH) meaning, definition in crypto, what is Wrapped Ether (WETH), and all other detailed facts.

Wrapped Ether (WETH) is created by transferring Ether to a smart contract. This puts it on hold in exchange for a 1:1 ratio of WETH ERC-20 tokens. This WETH can then be transfered back into the same smart contract to be unwrapped. However, it can also be redeemed at a 1:1 ratio for the original Ether.

Ether (the native currency of Ethereum) was created before the ERC-20 standard or any other standards were established. As a result, Ether is not ERC-20 compatible. Thus, it cannot be exchanged for other ERC-20 tokens in a decentralized manner.

Though rather than implementing two interfaces within the same smart contract, which would add unnecessary complexity, developers came up with the solution of wrapping Ether to upgrade it to the ERC-20 standard. This allows WETH and other ERC-20 tokens to be handled within the same contract.

Wrapping Ether creates a possibility of a direct and frictionless exchange between Ether and ERC-20 tokens. This means that there would be no need to rely on third parties. Besides, it helps to avoid exposing users to extra risks. For example, it would help to avoid unexpected transaction errors that could appear due to complicated implementations.

Many Ethereum-based decentralized apps (dApps) use WETH instead of Ether. They do that to enable direct and decentralized peer-to-peer trading between Ether in a wrapped form and ERC-20 tokens that follow the same technical standard.
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