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      "body": "It isn’t an exaggeration to state that smart contracts are going to be essential in building our future.\nHow do you define a smart contract?\nAccording to Wikipedia, a smart contract is a “a computer protocol intended to facilitate, verify, or enforce the negotiation or performance of a contract”. While it was first proposed by American cryptographer Nick Szabo in 1996, Ethereum is often credited with popularizing the concept and making it mainstream. \n\n![1_i3sQ01kDWz7YS21ociiLGw.png](https://steemitimages.com/DQmQfJftdoKQXWqXm8RnAJYqrdKZf1T5rHuLbwJ8CdpnBMC/1_i3sQ01kDWz7YS21ociiLGw.png) \n\nHowever, as amazing as smart contracts are, there are some notable flaws that cannot be overlooked.\nThe Problem With Smart Contracts\nWhile the blockchain network in itself is cryptographically secure, the smart contracts that run on top of them can be prone to vulnerabilities. Smart contracts tend to have bugs in them some and they can lead to truly catastrophic results.\nWhat makes smart contract bugs problematic is that smart contracts are immutable — once deployed to the blockchain, a smart contract cannot be edited and none of the bugs found out can be fixed. While this design choices makes a lot of sense, the side effects have to be negated.\nThere have been two high profile incidents that have happened directly as a result of faulty smart contract coding.\nHack #1: The DAO Attack\nThe DAO aka the Decentralized Autonomous Organization was a complex smart contract which was going to revolutionize Ethereum forever. It was going to be a decentralized venture capital fund which was going to fund all future dAPPS made in the eco-system.\n\n![1_T35L6U-RoKofO0TTEZLkCA.png](https://steemitimages.com/DQmT39Gq5LzFC211D2ETLRRckWByiFswTYkT8p361EedYcy/1_T35L6U-RoKofO0TTEZLkCA.png)\n\nUnfortunately, there was a bug in the code itself which got exploited on 17th June 2016. The hacker siphoned away 1/3rd of the DAO’s funds which was, back then, worth $60 Million.\nHack #2 : Parity Wallet Breach\nIn July 2017, a hacker stole $30 Million worth of ether due to a one-word bug in the smart contract code.\nTry to wrap your head around this, a one-word bug resulted in a $30 Million theft!\nThe parity wallet faced another issue recently where in $160 million worth of Ether was frozen. You can read about the details here.\nAs you can imagine, repeated security issues like these are severely hampering the public’s trust in cryptocurrency. In order to make mainstream adoption of cryptocurrency a reality, certain steps need to be taken to ensure the security of smart contracts.\nWhat we need, is a system of properly and securely auditing smart contracts, to make sure that they can’t be exploited.\nWhy Is Auditing Smart Contracts Difficult?\nWhen it comes to the current contract auditing procedures, there are two problems that make the process very difficult:\n· The process is dependent on the honesty of the auditors.\n· The process can’t keep up with the sheer amount of smart contracts coming up.\n· The smart contract has to literally be bug free — which means a level of thoroughness in testing that we are not used to in the past.\nThe Quantstamp Solution\nQuantstamp aims to solve this issue by creating a scalable yet cost-effective smart contract auditing protocol on top of the Ethereum Blockchain.\nThe idea is to create a distributed network of participants who will provide the computational power and governance required for the auditing process.\nSince it is consensus dependent, it is inherently a Byzantine Fault Tolerant system meaning it can function even if some of the participants turn out to be malicious.\nThe Quantstamp protocol consists of the following:\n· They have a software verification system which is automated and upgradeable. It will check solidity programs using computational power taken from the participants.\n· If a human participant finds some errors in the system, then the automated bounty payout system will reward them for their efforts.\nHow Does The Auditing Work?\nThis is how the process works:\n· The developer submits their code for auditing via the Quantstamp smart contract and allocates some bounty.\n· Once the request is received, the next Ethereum block onwards a set of security checks are performed to validate the smart contract.\n· Once proper consensus has been reached regarding the validity of the contract, the proof-of-audit and the report data are sent along with the appropriate token payout.\n· If no threats have been detected till the given time limit, the bounty assigned is returned to the developer.\n· The developer can request for a public or private audit report.\nThe following is a pictorial representation of the entire process:\n\n![1_gZ7jliz2md0_mK1KrD3wTQ.png](https://steemitimages.com/DQmParvVzw4cGkGbWkcFkg81NVx5uf8rim4FGmdNck4Tq7E/1_gZ7jliz2md0_mK1KrD3wTQ.png)\n\nWhy Quantstamp Is Needed\nQuantstamp offers an elegant and scalable solution to a very real problem.\nIf blockchain and smart contracts are going to be our future, then we need a system which can help tighten smart contract security.\nWith the amount of money that is being invested into these contracts, we can’t have any bugs in the system, however minor it maybe, which can be potentially exploited for millions of dollars.\nWith Quantstamp we have a system which will help audit these smart contracts to make sure that we have a safer and more secure system going into the future.\nQuantstamp’s ultimate goal is to be integrated within the Ethereum system and be used as a default smart contract auditor.\nSpringRole and Quantstamp\nOne thing that can compliment Quantstamp is a feedback mechanism for their participants or “bug finders” to keep on searching for bugs in various contracts.\nThis is where SpringRole steps in.\nSpringRole is the first online reputation network powered by artificial intelligence and the blockchain technology. We believe that we can work in synergy with Quantstamp to create a very fruitful partnership.\nOne of the many ways that this can manifest is through attestations.\nSuppose someone successfully identifies a bug during the auditing process, that person can be attested on SpringRole’s thereby building this reputation in the domain of smart contract auditing.\nAs SpringRole enables people to have a verified professional profile on the blockchain, an attestation is permanent and is there for everyone to see. As people continue to contribute to the Quantstamp network, their reputation for that skill increases. They could leverage this reputation to get jobs or freelancing opportunities and will have a tangible way to show their skill to the external world.\nIt also lets people evaluate the bug findings against the skill or reputation of the person who reports it.\nThe way we see it, this partnership can bring immense values to both sides and the users as well. We can have a system which continually rewards people for doing good and honest work.\nFurther Reading:\nQuantstamp Website: https://quantstamp.com/\nQuantstamp Whitepaper: https://docsend.com/view/shcsmhe",
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      "author": "cheetah",
      "body": "Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:\nhttps://blog.springrole.com/can-quantstamp-make-their-auditing-more-rewarding-30ea08e216bc",
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      "author": "greymatter7",
      "body": "It isn’t an exaggeration to state that smart contracts are going to be essential in building our future.\nHow do you define a smart contract?\nAccording to Wikipedia, a smart contract is a “a computer protocol intended to facilitate, verify, or enforce the negotiation or performance of a contract”. While it was first proposed by American cryptographer Nick Szabo in 1996, Ethereum is often credited with popularizing the concept and making it mainstream. \n\n![1_i3sQ01kDWz7YS21ociiLGw.png](https://steemitimages.com/DQmQfJftdoKQXWqXm8RnAJYqrdKZf1T5rHuLbwJ8CdpnBMC/1_i3sQ01kDWz7YS21ociiLGw.png) \n\nHowever, as amazing as smart contracts are, there are some notable flaws that cannot be overlooked.\nThe Problem With Smart Contracts\nWhile the blockchain network in itself is cryptographically secure, the smart contracts that run on top of them can be prone to vulnerabilities. Smart contracts tend to have bugs in them some and they can lead to truly catastrophic results.\nWhat makes smart contract bugs problematic is that smart contracts are immutable — once deployed to the blockchain, a smart contract cannot be edited and none of the bugs found out can be fixed. While this design choices makes a lot of sense, the side effects have to be negated.\nThere have been two high profile incidents that have happened directly as a result of faulty smart contract coding.\nHack #1: The DAO Attack\nThe DAO aka the Decentralized Autonomous Organization was a complex smart contract which was going to revolutionize Ethereum forever. It was going to be a decentralized venture capital fund which was going to fund all future dAPPS made in the eco-system.\n\n![1_T35L6U-RoKofO0TTEZLkCA.png](https://steemitimages.com/DQmT39Gq5LzFC211D2ETLRRckWByiFswTYkT8p361EedYcy/1_T35L6U-RoKofO0TTEZLkCA.png)\n\nUnfortunately, there was a bug in the code itself which got exploited on 17th June 2016. The hacker siphoned away 1/3rd of the DAO’s funds which was, back then, worth $60 Million.\nHack #2 : Parity Wallet Breach\nIn July 2017, a hacker stole $30 Million worth of ether due to a one-word bug in the smart contract code.\nTry to wrap your head around this, a one-word bug resulted in a $30 Million theft!\nThe parity wallet faced another issue recently where in $160 million worth of Ether was frozen. You can read about the details here.\nAs you can imagine, repeated security issues like these are severely hampering the public’s trust in cryptocurrency. In order to make mainstream adoption of cryptocurrency a reality, certain steps need to be taken to ensure the security of smart contracts.\nWhat we need, is a system of properly and securely auditing smart contracts, to make sure that they can’t be exploited.\nWhy Is Auditing Smart Contracts Difficult?\nWhen it comes to the current contract auditing procedures, there are two problems that make the process very difficult:\n· The process is dependent on the honesty of the auditors.\n· The process can’t keep up with the sheer amount of smart contracts coming up.\n· The smart contract has to literally be bug free — which means a level of thoroughness in testing that we are not used to in the past.\nThe Quantstamp Solution\nQuantstamp aims to solve this issue by creating a scalable yet cost-effective smart contract auditing protocol on top of the Ethereum Blockchain.\nThe idea is to create a distributed network of participants who will provide the computational power and governance required for the auditing process.\nSince it is consensus dependent, it is inherently a Byzantine Fault Tolerant system meaning it can function even if some of the participants turn out to be malicious.\nThe Quantstamp protocol consists of the following:\n· They have a software verification system which is automated and upgradeable. It will check solidity programs using computational power taken from the participants.\n· If a human participant finds some errors in the system, then the automated bounty payout system will reward them for their efforts.\nHow Does The Auditing Work?\nThis is how the process works:\n· The developer submits their code for auditing via the Quantstamp smart contract and allocates some bounty.\n· Once the request is received, the next Ethereum block onwards a set of security checks are performed to validate the smart contract.\n· Once proper consensus has been reached regarding the validity of the contract, the proof-of-audit and the report data are sent along with the appropriate token payout.\n· If no threats have been detected till the given time limit, the bounty assigned is returned to the developer.\n· The developer can request for a public or private audit report.\nThe following is a pictorial representation of the entire process:\n\n![1_gZ7jliz2md0_mK1KrD3wTQ.png](https://steemitimages.com/DQmParvVzw4cGkGbWkcFkg81NVx5uf8rim4FGmdNck4Tq7E/1_gZ7jliz2md0_mK1KrD3wTQ.png)\n\nWhy Quantstamp Is Needed\nQuantstamp offers an elegant and scalable solution to a very real problem.\nIf blockchain and smart contracts are going to be our future, then we need a system which can help tighten smart contract security.\nWith the amount of money that is being invested into these contracts, we can’t have any bugs in the system, however minor it maybe, which can be potentially exploited for millions of dollars.\nWith Quantstamp we have a system which will help audit these smart contracts to make sure that we have a safer and more secure system going into the future.\nQuantstamp’s ultimate goal is to be integrated within the Ethereum system and be used as a default smart contract auditor.\nSpringRole and Quantstamp\nOne thing that can compliment Quantstamp is a feedback mechanism for their participants or “bug finders” to keep on searching for bugs in various contracts.\nThis is where SpringRole steps in.\nSpringRole is the first online reputation network powered by artificial intelligence and the blockchain technology. We believe that we can work in synergy with Quantstamp to create a very fruitful partnership.\nOne of the many ways that this can manifest is through attestations.\nSuppose someone successfully identifies a bug during the auditing process, that person can be attested on SpringRole’s thereby building this reputation in the domain of smart contract auditing.\nAs SpringRole enables people to have a verified professional profile on the blockchain, an attestation is permanent and is there for everyone to see. As people continue to contribute to the Quantstamp network, their reputation for that skill increases. They could leverage this reputation to get jobs or freelancing opportunities and will have a tangible way to show their skill to the external world.\nIt also lets people evaluate the bug findings against the skill or reputation of the person who reports it.\nThe way we see it, this partnership can bring immense values to both sides and the users as well. We can have a system which continually rewards people for doing good and honest work.\nFurther Reading:\nQuantstamp Website: https://quantstamp.com/\nQuantstamp Whitepaper: https://docsend.com/view/shcsmhe",
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      "author": "greymatter7",
      "body": "Are you a frequent visitor of torrent sites? You know, for downloading “Ubuntu’ on a regular basis. Well, if so, your PC might be being used for cryptomining without your consent. And it can severely impact your PC’s performance.\n\nFor those who don’t know, Cryptocurrency is a form of digital currency, like Bitcoin. It can be mined by the use of powerful PC and is a highly valued form of transaction on the internet. Torrent sites have recently started using the PCs of users visiting their sites in order to mine for Cryptocurrency online, the forefront of which is Pirate Bay. There’s also no way of disabling this from happening, though using an Adblock might help to some extent. Whenever a user visits the torrent website, the site runs a Javascript based “miner” that uses the user’s CPU power to mine for Monero coins, which like Bitcoin, is a form of Cryptocurrency.\n\nSome of the mining scripts run by torrent sites have been detected to be malware, and can put your PC at risk. The main issue here is that some of the torrent sites are running the mining software without asking the user. In some cases the “miner” runs in the form of an ad on the site, and could be blocked by using an AdBlocker. However, some of these ads do find ways to get around it, and can install malicious software on to your system.\n\nSo yeah, next time you’re looking to download “Linux”, might as well use the official website.",
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      "title": "Torrent Sites Could Be Using Your PC For Cryptomining Without Your Knowledge"
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      "voter": "rajivkhan",
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      "author": "cheetah",
      "body": "Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:\nhttps://www.forbes.com/sites/jonathanchester/2017/06/12/a-new-way-to-raise-money-the-initial-coin-offering/",
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      "author": "greymatter7",
      "body": "Over $380M has been invested into Initial Coin offerings(ICOs) till May 2017. Many companies are raising millions of dollars with mere white paper and a crypto coin dependent on small networks of the node running their blockchain. This idea for raising money is not only promising for entrepreneurs but it attracts investors too as it gives easy returns. Let’s get deeper into this and find out the ins and outs of Initial Coin Offering(ICOs).  \nThe fundamental idea for an ICO is to create a digital coin or token and then to offer this coin or token for sale in an initial offering. An ICO is in some ways similar to an Initial Public Offerings(IPOs). Both are done to raise funds, but, instead of stock, ICO purchase includes a new type of coin or token, an asset rather than a security.\nThe token can represent some sort of value or be of value itself. An ICO might involve attributing equity to a token so that ownership gives buyers voting privileges and access to dividends. The typical use case of a token issued in an ICO is the creation of an asset that gives buyers access to the features of a particular project. Instead of having cash or Bitcoin as the way to pay for goods and services from the ICO offered, buyers use their token. Buyers can think of these tokens as being similar to a store-specific loyalty point, something one purchases with a general purpose digital currency and uses at a specific location.\n The reasons for which these points are so special are it’s tradability and used in decentralised applications. These tokenized loyalty points are put onto a public blockchain, \nthe points are not limited to being traded in exchange for services within the platform, but instead can be traded anywhere. If there is enough activity within a given ICO’s environment, their tokens will become globally traded on the various exchanges that handle cryptocurrencies. Successful ICOs\nare the product of careful thought on economics and game theory, and as a feature, they intend that their tokens will increase in value as the volume of the activity on their platform rises. As such, these\nloyalty points now have a variable value, based on the market perception and growing use of the platform. This creates a very interesting incentive mechanism because now the users of the platform\nwho are receiving the tokens have incentives to bring other users to the platform in order to increase the value of their tokens. Anthony Di Iorio, co-founder of Ethereum, the most successful ICO to date with over a $35 billion market cap, on the benefits of combining a token with a crowdsale; says  “Part of the goal of the [Ethereum] crowdsale was to create a community. Combining a token with an initial offering through a crowdsale allows buyers to build an international network of early adopters and\ninvestors who will actively work to educate and spread awareness of your project. Unlike a traditional crowdsale on a system like Kickstarter, where the users who invest typically only have an incentive to invite others to enjoy the product with friends and family, the users who participate in a token crowdsale have the additional incentive of a gain on the value of their asset. However, this is not as easily applied for typical companies. This on the same token to ensure fair behaviour and that people are following the protocol rules. This will be done through network specific smart contracts that will incentivise people to behave fairly and punish users who try to cheat the system.”\nThe Storj system is a bit complex, as it handles two commodities – spare storage space and unused bandwidth of those providing that storage. Unlike Uber, where there is a central company organising\neverything, Storj is completely decentralized and all the funds go directly to the storage holders. Lacking a centralised service ensuring that everyone is behaving correctly, there have to be some\nmeans of enforcing the agreed upon behaviour. This is where smart co-chair of Steptoe & Johnson LLP’s Blockchain and Digital Currency practice and head council to the Blockchain Alliance, explains that by calling an ICO a token crowdsale, it helps investors understand that they aren’t purchasing equity or security, but an entirely new asset class. This is important for protecting investors in addition to protecting the startups themselves so that the SEC does not confuse\ntheir tokens with an asset that does not pass the Howey test. That being said, there are many ICO that intentionally act as securities, the most popular of which being Blockchain Capital, which raised $10\nmillion in six hours.\nMichael Terpin, who invested in the original ICO, Mastercoin, and has advised 30+ ICOs, including top ICOs such as Ethereum, Factom, Augur, Golem and Gnosis, either personally or through his company Transform Group. Terpin explains that “as an angel investor, you can put 25k into\ncryptocurrency for the new native coins. The coins can later be sold and purchased on cryptocurrency exchanges (once listed) or held long term for potential profit. Additionally, and often at times, the\ncoins themselves could be exchanged or used for the company’s native product or service, like in the case of Steem. After the company creates its own native currency (referred to as coins or tokens), the\nprice of the new coins varies, from fractions of a cent to hundreds of dollars. ICOs are very attractive to investors, considering the average listed ICO here has more than 1,000 percent return in under a year. What another kind of investment would ever get that kind of crazy return? That’s a 10x return in a year, or sometimes less. The largest ICO return is for a cryptocurrency and blockchain tech company called Stratis (STRAT), which has an 110,912 percent return in about a year till now. That means if you have bought $1,000 worth at their ICO, you have made $1,109,120 to date. Where else can one get such lucrative return?\nHowever, the age-old saying holds true: “Don’t invest something you aren’t willing to lose.” If you’re interested from an investment perspective, then hopefully you will make a lot of money. Considering\nthe average return so far, investing seems quite tempting. And for entrepreneurs, it’s like raising money via Kickstarter, except you don’t have to ship out physical items and you can quickly fund your startup or company. Bancor reached its $155 million funding in about two hours. Additionally, the money raised can be stored in coins, which have been appreciating in value quite quickly. So, the money you raise also makes you more money sometimes many multiples of what you\nraise.\nBy and large, ICOs are the future way of Investment and Entrepreneurship. They offer a win-win situation for both the parties while clearing all the complexities of physical transactions.",
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