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Cryptozombies Lesson 1

Shawn Notes: Cryptozombies Lessons 1 5 In Solidity

Shawn Notes: Cryptozombies Lessons 1 5 In Solidity

Use pragma solidity ^ to define the version of Solidity you want to use Create a contract using contract {} uint is an alias for uint256. You can also individually specify uint8, uint16, etc... Exponential operator in Solidity is **, i.e. uint x = 5 **2; // equal to 5^2 = 25 Structs are available in Solidity and can be defined like: struct Person { uint age; string name;} Fixed (uint[2] fixedArray) and dynamic arrays(uint[] dynamicArray) are both available in Solidity. If you declare an array as public, Solidity will automatically create a getter method for it. You can define a function within a contract like so: function eatHamburgers(string _name, uint _amount) {} It is convention to start function parameter variable names with an underscore (_), differentiating them from global variables. Functions are public by default, which means anyone can call them. Usually you want to mark your functions private by default, and only make functions public if you want to expose them to others. We also start private functions with an underscore (_) by convention. You need to declare the type of value a function will return if it returns a value like so: function sayHello() public returns (string) { return greeting;} If a function does not change any values or write anything, we can additionally label the function as a view function. If the function doesn't even read from the state of the app, and only uses the function parameters we can label it pure. Both view and pure functions can help users save gas when using your contract. More about this in lesson 3. Typecasting is available in Solidity by wrapping a variable with the type, i.e. uint8(var). You can use events to communicate that something has happened on the blockchain. This is particularly useful w Continue reading >>

Loom Membership Token

Loom Membership Token

At this volume, you should buy bulk from our resellers on Kucoin The LOOM token acts as a lifetime membership card to all DApps running on Loom Network. It allows you to transfer your data and digital assets between Loom DAppChains and the Ethereum mainnet. The token acts like a software license key. Its implemented as an ERC20 token on Ethereum, which you hold in your Ethereum wallet. When you attempt an asset transfer from a Loom DAppChain to Ethereum (or to another DAppChain) the DApp first checks the LOOM token balance of your wallet. If you have at least 1 token in your possession, you can proceed with the asset transfer. If not, youll need to purchase a token before youll be allowed to transfer data between chains. The first DApp released on Loom Network is DelegateCall.com a blockchain-based Q&A site where your karma points are exchangeable for a re-sellable ERC20 token. (DelegateCall tokens, which have no relation to the LOOM token). You can use your LOOM token to transfer your DelegateCall karma points to Ethereum and sell them for ETH, thus earning money when other users upvote your answers. This is the first use-case of the LOOM token, but it will also be usable for the many DApps that will be released on Loom Network in the future. What are some other upcoming Loom Network DApps? 1. Were currently developing 3 games in-house that will be launched in Q2 2018. The LOOM token will allow you to transfer these in-game assets to Ethereum to trade them with your friends or sell them for ETH. 2. Are you a CryptoZombies user? In the near future a LOOM membership token will allow you to transfer your zombies to mainnet, and import them into future CryptoZombies-themed games. We also have token-based rewards planned for those who have completed lessons, which will be Continue reading >>

Loom Network - Loom Token

Loom Network - Loom Token

Woooooo hoooooo!Today, I am excited to announce that Neon District a hybrid card-based RPG and MMO (set in a futuristic, tech-noir world)will be joining LoomsSDK.Neo... #66 - Loom Network (LOOM token) - May 7, 2018 - 13:21 From a UX standpoint, Deeplinking makes mobile DApps SUPER SIMPLE touse.Native DApp Support on Mobile SUCKSAt the moment, even the SIMPLEST action requires a full blo... #66 - Loom Network (LOOM token) - May 5, 2018 - 8:57 One of the first things newcomers discover about our project is that we dont have a whitepapera document that has (rightfully or not) become somewhat of a requirement... #66 - Loom Network (LOOM token) - May 4, 2018 - 7:19 Come Meet us at GopherCon Singapore on May 4th (+We are hiring Go developers!)If you werentawareGo is clearly one of the leading technologies used for Blockchain Devel... #66 - Loom Network (LOOM token) - April 30, 2018 - 5:2 Loom Plasma is officially coming to an Interconnected Blockchain nearyouA series on practical uses of the Plasma technique by LoomNetworkJust in case you arent in the... #66 - Loom Network (LOOM token) - April 28, 2018 - 4:58 Those who have completed lessons can now claim all your rewards on CryptoZombies.ioA month ago, we announced that CryptoZombies is hard forking to become the second Loom ... #66 - Loom Network (LOOM token) - April 27, 2018 - 9:54 DelegateCall Just Got Some Shiny New Upgrades like: Notifications, Email Digests, New Transfer Gateway and a whole lotmore!DelegateCall.com now has: Notifications, ... #66 - Loom Network (LOOM token) - April 25, 2018 - 8:34 Blockchain Games: The BIGGEST TROJAN HORSE that experts wont see coming (and the startling implications youd neverguess) Watchu gonna doWatchu gonna do when th... #66 - Loom Network (LOOM token) - April 24, 2018 - 6:16 Well, Continue reading >>

Cryptozombies - Learn To Code By Building Your Own Game (coding Skills Required) - The Ultimate Crypto How-to Guides

Cryptozombies - Learn To Code By Building Your Own Game (coding Skills Required) - The Ultimate Crypto How-to Guides

Home Top-100 Courses Cryptozombies Learn to Code By Building Your Own Game (Coding skills required) Cryptozombies Learn to Code By Building Your Own Game (Coding skills required) CryptoZombies is a free, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics. So if youve never coded with Solidity before, dont worry well walk you through step by step. In-browser step-by-step lessons take you from the very basics of Solidity to creating your own fully-functional blockchain-based game. Even by the end of Lesson 1 (which can be completed in one sitting), youll know enough to officially call yourself a Solidity developer! In Lesson 1, you will build a Zombie Factory to build your army. Every Zombie you create will have randomly generated DNA and have his own unique appearance. Further lessons (1 released each week) will add more functionality to your game, like the ability to battle other peoples zombies! Earn crypto-collectible Zombies and bonuses by completing coding lessons. After completing all lessons and deploying your DApp, pit your zombie army against other players zombies in one of the worlds first blockchain-based games! Half code-school, half MMO crypto-collectible strategy game. Continue reading >>

Cryptozombie - Lesson 4 Chapter 4 : Generating Random Number In A Secure Way

Cryptozombie - Lesson 4 Chapter 4 : Generating Random Number In A Secure Way

CryptoZombie - Lesson 4 Chapter 4 : Generating random number in a secure way // Generate a random number between 1 and 100: uint random = uint(keccak256(now, msg.sender, randNonce)) % 100; uint random2 = uint(keccak256(now, msg.sender, randNonce)) % 100; "Let's say we had a coin flip contract heads you double your money, tails you lose everything. Let's say it used the above random function to determine heads or tails. (random >= 50 is heads, random < 50 is tails). If I were running a node, I could publish a transaction only to my own node and not share it. I could then run the coin flip function to see if I won and if I lost, choose not to include that transaction in the next block I'm solving. I could keep doing this indefinitely until I finally won the coin flip and solved the next block, and profit." I am not able to understand this vulnerability. Wasn't the whole concept of the decentralised ledger to stop such attacks(yes, a 51% attack is another thing). Is this talking about the 51% attack? // Generate a random number between 1 and 100: uint random = uint(keccak256(now, msg.sender, randNonce)) % 100; uint random2 = uint(keccak256(now, msg.sender, randNonce)) % 100; "Let's say we had a coin flip contract heads you double your money, tails you lose everything. Let's say it used the above random function to determine heads or tails. (random >= 50 is heads, random < 50 is tails). If I were running a node, I could publish a transaction only to my own node and not share it. I could then run the coin flip function to see if I won and if I lost, choose not to include that transaction in the next block I'm solving. I could keep doing this indefinitely until I finally won the coin flip and solved the next block, and profit." I am not able to understand this vulnerability. Continue reading >>

Want To Become A Millionaire? Learn Ethereum/solidity Programming! Cryptozombies Course!

Want To Become A Millionaire? Learn Ethereum/solidity Programming! Cryptozombies Course!

SUSHI MAMA on Kodu Game Lab Tutorial How to Make a Game Want To Become A MILLIONAIRE? Learn Ethereum/Solidity Programming! CryptoZombies Course! If youre interested in learning smart contracts development, particularly in the Ethereum/Solidity frameworks, this video is for you! There is an online course that I came across that does a good job of teaching the Solidity programming language to you. It is only meant as an introduction to the language, youll still need to do a lot more learning about the Ethereum Virtual Machine before you can become a great smart contracts coder/programmer! Definitely recommend for you to learn the computer science/programming fundamentals before you dive into Solidity/Ethereum smart contracts development though. Let me know if there are other free online resources that you like for learning Ethereum smart contracts development? ******************************************** Hey everyone, thanks for watching. If you enjoyed this video please give me a LIKE and SUBSCRIBE to catch all my future content. If you have any questions definitely leave me a comment below and Ill try my best to get back to you! Disclaimer: I am not an official investment advisor everything I say is purely my opinion. Some of my videos are sponsored, those will be clearly marked by YouTube. If youre dealing with a new process its always RECOMMENDED to try out the whole process end-to-end with a smaller amount before you move the bulk of it. If you want to sign up for various exchanges, you can use my referral code for bonuses. I use all of these exchanges and recommend them: Coinbase/GDAX: Continue reading >>

Cryptozombies Review - Ethereum Dapps Solidity Interactive Coding School?

Cryptozombies Review - Ethereum Dapps Solidity Interactive Coding School?

Earlier this month, AxiomZen studios launched Crypto Kitties, an Ethereum-based game where you can buy and breed digital cats. If we've learned anything from the internet age, it's that anything to do with cats has a very high scope for virality. Duly, Crypto Kitties became an overnight phenomenon, with people forking out millions on digital cats. The game caused much delirium, anger, confusion all at once in the process. It also ground the Ethereum network to a standstill. Though at first may seem silly, the game served to presage a potential blockchain use case as a platform for digitizing and owning assets. It illustrates the possibility to create, tokenize and trade assets on the blockchain . Following in the footsteps of Crypto Kitties, two other crypto collectibles games surfaced on Ethereum CryptoPuppies and CryptoPets. Now there's another collectibles game, with an educational proposition. Build Your Own Crypto Collectible With CryptoZombies CryptoZombies is an interactive tutorial that walks you through building your first smart contract in Solidity step by step. The course is designed for beginners to Solidity and starts off with the absolute basics. So if you've never coded with Solidity before, the app walks you through the process every step of the way. It takes you from the very basics of Solidity to creating your own fully-functional blockchain-based game. Lesson 1 teaches how to build a zombie factory to build an army. Like the kitties, every zombie is non-fungible and will have randomly generated DNA and have his own unique appearance. Further lessons to be serialized every week will add more functionality to the game, like the ability to battle other people's zombies! Users can earn crypto-collectible zombies and bonuses by completing coding lessons. Continue reading >>

Crypto Zombies Review

Crypto Zombies Review

Another "cryptogaming" project was launched recently. It's called Crypto Zombies. Developers call it a game, although in fact Crypto Zombies is a platform with a completely different purpose in mind. This is the school of crypto programming, where everyone can learn how to create blockchain games. Crypto Zombies is a free project where you can learn how to use Solidity language to create games on Ethereum blockchain. Crypto Zombies developers claim that their goal is to promote Ethereum and show the community that the blockchain can be used not only to store transactions data, but also as a basis for decentralized applications. But why the project was named Crypto Zombies? The answer is simple. The fact is that during the training students create their own Monster Factory. This is a proper blockchain game, which can be played immediately after completing the first class. In the second and subsequent classes, students add new functionality to their Monsters Factory, and the resulting project is not inferior to many popular blockchain entertainment platforms. However, you can play Crypto Zombies as well. Anyone who successfully completed the course and created his Monster Factory, gets an army of characters and can use them to fight other users' armies. If the battles are successful, the player receives a reward. Crypto Zombies is a completely free-of-charge project. Participants do not give a penny, but in return receive valuable knowledge about Solidity and begin to understand how to create decentralized games. There is an opportunity to take classes in a dozen languages, including English and Russian. In total there are four classes in Crypto Zombies school: Everyone who studies at Crypto Zombies can track their progress and understand what they need to work on. New c Continue reading >>

Learn Ethereum Solidity Programming Now With Free Site Cryptozombies

Learn Ethereum Solidity Programming Now With Free Site Cryptozombies

Learn Ethereum Solidity Programming Now with Free Site CryptoZombies Ever wanted to learn Ethereum Solidity programming? Have you dreamed of becoming an Ethereum developer, and make your own smart contracts and Dapps? Dream no longer, as Loom Network has just released a fun and creative new learning platform called CryptoZombies . Learn all about the basics of Solidity through the guided development of an Ethereum -powered zombie game! Much like other gamified software development platforms like Codecademy and CodeCombat , CryptoZombies is a guided experience that covers all the basics of Solidity development. The first lesson of the program covers basic contract setup, data structures, variables, arrays, and events. While you probably will not come out of the experience one as a Solidity developer as the site promises, you will certainly leave knowing more than you did when you started. CryptoZombies is a guided experience, but it is not designed for those who are completely new to programming. The site recommends that you at least have a basic understanding of one other programming language. The code used in lesson one greatly resembles Java, C++, or C# code, so experience in one of these should help. While the site design is fairly well laid out and lesson are for the most part intuitive, the lessons are still not perfect just yet. Some of the explanations are not fully clear, and in some cases seem misleading on purpose. In the section that covers mathematical operations, the text explains that Solidity can perform addition like 1+1, multiplication like 2*2, and exponent operations like 10^16. If you enter 10^16 in the code editor, however, you will be faced with a bright red error message. What you should have done, apparently, is enter 10 ** 16, much like in Pyth Continue reading >>

Learn Ethereum Game Development With Cryptozombies

Learn Ethereum Game Development With Cryptozombies

Learn Ethereum Game Development With CryptoZombies Learn Ethereum Game Development With CryptoZombies This has to be the funnest way to learn Solidity. Loom Network has just released the first lesson for CryptoZombies , an interactive code school that teaches you how to make your own Ethereum based crypto game using the programming language Solidity. Although there are already a few resources that teach people Solidity, there has never been something as fun and noob-friendly as CryptoZombies. The first chapter begins with the very basics and has you typing the first lines of code to create a smart contract. The left side of the page explains the concept and gives an example of how the code syntax should look. Then you are asked to use that concept to write your own lines of code in the code editor on the right side of the page. When youre done, the site will check your code and either let you continue to the next lesson or show you which line is incorrect. Each chapter adds another programming concept and makes it easy to understand without adding too much to read either. Theres enough of a challenge that youll be proud of yourself for passing a chapter on the first try, but its also not so challenging that you will get stuck and give up. Youll learn about arrays and structs and go into depth about the different types of functions. At the end of this lesson, youll get to put your code to the test and use it generate your own Zombie with a unique DNA and look based on the name you give it. You can even share your zombie on social media to show off your new Solidity programming skills! This is just the first lesson on CryptoZombies and they plan to release a new one every 2-3 weeks. I cant wait for the rest of the lessons and really hope that they will take you all the w Continue reading >>

Token Daily - Cryptozombies Has Come To A Fork In The Road (+surprise Rewards 🎉)

Token Daily - Cryptozombies Has Come To A Fork In The Road (+surprise Rewards 🎉)

We already released our first DAppChain App (called DelegateCall), and we are hard-forking the world-famous CryptoZombies.io into its own DAppChain. Rewards will be given to the most loyal and hardworking students of CryptoZombies (if they qualify). See details above on how to qualify. (Deadline for Rewards: April 6th 2018 at 12:00:00 UTC) Once hard-forked, The CryptoZombies DAppChain will have inter-blockchain relay with the Delegatecall DAppChain. When CryptoZombies is on its own DAppChain, youll be able to import your lesson progress into DelegateCall, and have it show an indicator on your profile (as a badge) so that everyone knows your level of Solidity understanding. Students who finished ALL CryptoZombies lessons will have a special badge on DelegateCall that proves their understanding of the blockchain. DelegateCall Job Board (Coming Soon) will show candidate status and relevant achievements automatically for employers looking to hire blockchain developers. The hard-fork also demonstrates that the Loom SDK can be used to build all sorts of applications (like: games, social networks, etc) on a fully scalable DAppChain to fuel the future decentralization of the Internet. Continue reading >>

Solidity Fundamentalscryptozombies Lesson One Andtwo.

Solidity Fundamentalscryptozombies Lesson One Andtwo.

Solidity Fundamentals CryptoZombies Lesson One andTwo. The following series of articles are a write up on the LOOM network, solidity coding tutorials CryptoZombies . The tutorials cover all the fundamental aspects of building a gamified decentralised application (D-App) that can be deployed to the Ethereum network, and played by everyone with a ether address on all corners of the globe:) Solidity is a relatively new programming language so there are not a lot of tutorials to help beginners learn how to code- decentralised style. The aim of these articles is to take you through the CryptoZombie tutorials step by step while providing knowledge of how all the code fits together and gels into one big unstoppable open source, smart contract. Before we get started, I would like to give a quick introduction to Ethereum and smart contracts so everything is up to speed. Ethereum is a decentralised programmable blockchain protocol. The protocol achieves decentralisation by allowing the users of the network to sync a full copy of the blockchain onto their machine. Once the machine has synced a full copy of the blockchain it is then considered a node by the network. Programs(smart contracts) on Ethereum can be written in languages such as vyper, mutan, LLL, and serpant. However their own language Solidity is the most commonly used language that most smart contracts are written in. Solidity is a contract-oriented, high-level language for implementing smart contracts. It was influenced by C++, Python and JavaScript and is designed to target the Ethereum Virtual Machine (EVM). Smart contracts are pieces of code that are deployed to the Ethereum blockchain where they live forever and will always execute without hesitation. They are able to be used for many real world applications that Continue reading >>

Want To Become A Millionaire? Learn Ethereum/solidity Programming! Cryptozombies Course!

Want To Become A Millionaire? Learn Ethereum/solidity Programming! Cryptozombies Course!

Want To Become A MILLIONAIRE? Learn Ethereum/Solidity Programming! CryptoZombies Course! If you're interested in learning smart contracts development, particularly in the Ethereum/Solidity frameworks, this video is for you! There is an online course that I came across that does a good job of teaching the Solidity programming language to you. It is only meant as an introduction to the language, you'll still need to do a lot more learning about the Ethereum Virtual Machine before you can become a great smart contracts coder/programmer! Definitely recommend for you to learn the computer science/programming fundamentals before you dive into Solidity/Ethereum smart contracts development though. Let me know if there are other free online resources that you like for learning Ethereum smart contracts development? ******************************************** Hey everyone, thanks for watching. If you enjoyed this video please give me a LIKE and SUBSCRIBE to catch all my future content. If you have any questions definitely leave me a comment below and Ill try my best to get back to you! Disclaimer: I am not an official investment advisor - everything I say is purely my opinion. Some of my videos are sponsored, those will be clearly marked by ESvid. If youre dealing with a new process its always RECOMMENDED to try out the whole process end-to-end with a smaller amount before you move the bulk of it. If you want to sign up for various exchanges, you can use my referral code for bonuses. I use all of these exchanges and recommend them: Coinbase/GDAX: www.coinbase.com/join/5925a6f5f35ce600bcd082d2 Also be sure to check out our communities: Facebook (Main Group): facebook.com/groups/cryptoforbeginners/ If you like CryptoZombies or know of other great resources, please share! The synta Continue reading >>

Loom Network And Cryptozombies (brains!)

Loom Network And Cryptozombies (brains!)

A Colorado law that would more clearly define whether certain tokens qualify as securities was struck down in the state Senate. HB 1426, a piece of state legislation that would have created guidelines for identifying open blockchain tokens as securities, was voted down in the Colorado state Senate on May 9, according to public records . The bill passed handily in the state House of Representatives, but was more controversial in the senate. According to the Denver Post , the final hours of the legislative session saw a split in both political parties. Lawmakers initially passed the measure by one vote, but the senate took another vote moments later, and shot down the bill 18-17 after some senators switched sides. Senator Tim Neville (R), who co-sponsored the bill, said he had hoped it would encourage blockchain innovation in the state without having to wait for legal clarity on cryptocurrencies from federal regulators. Following the vote, Neville said: We usually come together to create more opportunities for Colorado companies and startups. In this case, this was an epic fail for those who chose not to support it. The bill stated that tokens, which are created for utility, such as the cartoon cats in the CryptoKitties blockchain game, would essentially be treated like collectible stamps. On the other hand, tokens that are created for financial gain would be treated as securities. The legislative summary says: The bill defines 'open blockchain token' and exempts certain open blockchain tokens from the definition of 'security' for purposes of the 'Colorado Securities Act'. Lucia Guzman (D), said she didnt know a lot about the issue and was persuaded to vote no in the second vote when she learned Attorney General Cynthia Coffman opposed the bill. She said, These are new i Continue reading >>

Cryptozombies

Cryptozombies

Can't show plugin, component "section-title" not found. CryptoZombies is a free, interactive code school that teaches one to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics. Can't show plugin, component "section-title" not found. In-browser step-by-step lessons take one from the very basics of Solidity to creatingone's own fully-functional blockchain-based game. Even by the end of Lesson 1 (which can be completed in one sitting), one will know enough to officially call himself/herself a Solidity developer. Can't show plugin, component "megadraft-image-plugin" not found. Can't show plugin, component "section-title" not found. In Lesson 1, one will build a Zombie Factory to build one's army. Every Zombie one creates will have randomly generated DNA and have his own unique appearance. Further lessons (1 released each week) will add more functionality to the game, like the ability to battle other people's zombies. Can't show plugin, component "megadraft-image-plugin" not found. Can't show plugin, component "section-title" not found. After completing all lessons and deploying one's DApp, one can put zombie army against other players' zombies in one of the world's first blockchain-based games! Half code-school, half MMO crypto-collectible strategy game. [1] Can't show plugin, component "megadraft-image-plugin" not found. This game has around 65000 students and is made by Loom Network and it is free. [2] Can't show plugin, component "section-title" not found. Continue reading >>

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