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15 Best Tools for Blockchain Development
It simulates the Ethereum network on a single computer and allows you to make calls to the blockchain without any of the hassles of running a real Ethereum node. Over the last years, it has become one of the most widely used exchange in the world. This system enables a wide range of capabilities from gathering read-only data to building something really new.
Also, , buy, sell, send and receive bitcoins worldwide, and they offer several client libraries and mobile SDKs that are quite useful for a developer. Along with all this, Coinbase provides a simple and powerful REST API to integrate bitcoin , bitcoin cash , litecoin and ethereum payments into your business or application. Ether scripting for newbie developers can be an extremely challenging task. EtherScripter presents a really fun interface that one can use to start coding basic contracts.
The interface is a simple drag and drop wherein you must connect jigsaw puzzle pieces to make your contract come to life. At the particular moment, it can only be used with the Serpent programming language. You can see how the puzzle pieces fit inside each other in a pretty cool and visual way.
Blockchain as a Service BaaS is a term that has been floating around a lot lately. BaaS is basically an offering which allows its users to. To keep it simple, use the blockchain without dealing with any of the hassles that come with keeping the blockchain operational.
This service is extremely useful for individuals or companies who have long yearned to adopt the blockchain technology but have been hampered by the technical complexities and operational overhead. Many startups and big companies have started offering BaaS services. Microsoft has created Azure to offer these services. It is a useful tool for developers to build dapps in a safe and cheaper environment that supports several chains, including MultiChain, Eris, Storj, and Augur.
The user pays the BaaS service provider the necessary fees to set up and maintain the blockchain infrastructure. The provider basically handles the complex back-end for the client and their business. The best part, they can do it right in their browser. Metamask can be easily installed as a Google Chrome extension or Firefox add-on. The setup is relatively easy to do. Once you have installed the app, you have a Ethereum wallet built right into your browser, which can store all ERC tokens as well.
Interestingly, for developers, Metamask can interact with various Ethereum test networks, so it can be a really useful tool. The following are some of the most intriguing properties of ether. Tierior has also developed an open standard called ChainPoint for recording data and generating receipts that contain all the info needed to verify the data without relying on any intermediaries.
Chainpoint also has the capability to create millions of proofs per second because of its highly scalable architecture. Embark is a developer framework for Ethereum dapps, so this means that it allows you to easily develop and deploy dapps, or a serverless html5 application that uses decentralized technologies.
Embark enables you to create new smart contracts and make them available in the JS code. Also, it watches for changes, and if you update the contract, Embark will automatically modify the contracts and its related dapp. Embark handles smart contract migration if there are multiple contracts, automatically redeploys contracts as needed and watched for changes. In order to interact with the the Embark platform, you can use traditional web development language like Angular, React, Meteor, etc.
You can also use any build pipeline you want, including grunt or gulp. Quite like Embark, Truffle is a great framework for Ethereum which provides a development environment and asset pipelines for Ethereum development. It also includes support for the library that links complex Ethereum apps and provides custom deployments to make coding new contracts that much more simple.
The following are some of the features you will enjoy with Truffle taken from the Truffle GitHub Documents :. Without a doubt, the safest way to store any cryptocurrency is using a paper wallet.
In your journey as a developer, there will be times that you may want to save a significant part of your crypto earnings in a safe and secure way. There are two kinds of storages that you can use:. Paper wallet is a form of cold storage, which is by and large, the safest way to keep your crypto.
It includes printing out your public and private keys in a piece of paper hence the term paper wallet which you then store and save in a secure place. The keys are printed in the form of QR codes which you can scan in the future for all your transactions. The reason why it is so safe is that it gives complete control to you, the user. You do not need to worry about the well-being of a piece of hardware, nor do you have to worry about hackers or any piece of malware.
You just need to take care of a piece of paper. If you want to keep your crypto safe in a paper wallet then follow our guide here. So, there you have it. These tools should help you immensely in your journey as a developer. Do you think we have missed out on something?
If yes then do sound off in the comments below and let us know. Join our community and get access to over 50 free video lessons, workshops, and guides like this! No credit card needed! Navigation Blockchain for Developers. Back to Guides. Tweet Like what you read? Have a question? Ask our Community. Have questions?
We have built an incredible community of blockchain enthusiasts from every corner of the industry. If you have questions, we have answers! Ask community. Get Started. Hungry for knowledge? Join Blockgeeks. Nice blog. Blockchain networks can be regarded as the best to store information, and the data cannot be reversed back once entered. Major companies already started to invest in Blockchain because it has several benefits, and this network is widely used in Cryptocurrencies such as to verify transactions and in hospitals to store information.
Moreover, if you are tech-savvy, you can proceed to invest in this technology as the future of this technology is very bright and can give you long term benefits. This network is known as one of the fastest-growing technology for a couple of years and holding the attention of various major firms. The importance of Blockchain technology is already described above. The team of this Blockchain company has years of experience in this field, and they provide high-octane Blockchain development services to its clients.
So, this is one of the best Blockchain technology companies in for young investors and firms. Another top technology company that is completely based on the Blockchain network is Altoros.
This company was established in the year and contributed to open-source Blockchain initiatives. This company is a US-based company that allows enterprises and organizations to adopt the new features of technology and help businesses to grow to a great extent. If you want to implement Blockchain in your business, too then, you can take the help of this tech company.
Intellectsoft utilizes Blockchain technology for building private Blockchains and smart contracts development. This is an IT industry company that can introduce a new level of automation and transparency and increase the efficiency of businesses. The team of this has hands-on experience in managing every data. On the other hand, this tech company has access to the biggest pool of Cryptography, Cybersecurity challenges, and Blockchain engineering.
Another best Blockchain technology company is ChromaWay that provides a flexible and robust platform for a wide range of financial applications. Moreover, it provides smart contract solutions for industries like finance and real estate.
Metamask provides its users with a software system that not only allows them to serve Ether and other ERC assets, but it also lets them interact with Ethereum DApps. A major perk is that this can all be done in their browser.
It can be effortlessly installed as an extension of Google Chrome or as a Firefox add-on. Once the app has been set up, you will have an Ethereum wallet built right into your browser that can store all of the ERC tokens. For developers, this system can interact with multiple Ethereum test networks. This is a library that was built for and is primarily used by ethers. It was designed to make it less challenging to write client-side JavaScript-based wallets.
It functions as an alternative service to web3, which is the most commonly used library for the Ethereum applications. Some interesting blockchain development properties surrounding ether. Tierion is a system that enables the ability to construct a valid database of any information or process on the Bitcoin blockchain by providing developer tools and API to distribute data to the ledger. It created ChainPoint, which is used for recording data and producing receipts that consist of all the information required to verify the data without the reliance on intermediates.
This is used whenever a user includes something into the data store. It is capable of producing many proofs — millions, even — per second because of its extensive architecture. It also adds accuracy to the proofs by:. Embark is a blockchain development framework for Ethereum DApps. What this means is that it will allow you to seamlessly create and later deploy DApps. Alternatively, it enables you to create an independent html5 application that harnesses decentralized technologies.
It enables users to build new smart contracts and make them accessible in JS code. Embark watches for changes and if you ever update the contract, then Embark will instantly modify the contracts and its accompanying DApp.
Finally, it deals with smart contract migration if there are a number of contracts. Embark also immediately redeploys contracts if need be and keeps watch for any changes. If you wish to interact with the Embark platform, you can utilize any traditional web development language including React, Angular, Meteor, and many others.
You are also given the option to build any pipeline you want. Like Embark, Truffle is an Ethereum framework that provides users with a blockchain development environment and asset pipelines for Ethereum progression.
It includes support for the library that unites complex Ethereum apps and offers custom dispositions. These features help to transform the coding of new contracts into something much easier. Using a proper paper wallet is a sure fire way to safely store any form of cryptocurrency. In blockchain development, you want to be absolutely sure to save your crypto earnings in a secure fashion. You print the keys in the style of QR Quick Response codes that you can later scan.
The primary reason as to why this is so safe is that it gives you, the user, complete control. Additionally, you do not have to worry about the welfare of a piece of hardware. You also need not worry about any hackers or forms of malware. Your responsibility lies solely on protecting a piece of paper. Some people have it laminated for longer shelf life. There is no shortage of tools and devices that can assist in the process of blockchain development. It helps that you already have a basic knowledge of the technology itself beforehand.
But the tools listed here are sure to aid you in your blockchain adventures. The decision as to which of these digital appliances is most suitable is entirely subjective. This article was not written in order to dictate which tools are better and which ones you should probably avoid. Rather, it is to provide a list of options. A long list, in fact, so that you do not feel restricted to a chosen few.
We also felt it was important to illustrate the perks and drawbacks of each. As previously touched upon, it is a good idea to do some research before you dive into blockchain development.
These tools will help with the complex sections of the procedures, but pre-existing knowledge of the subject — however limited and elementary it may be — also goes a long way.
Be sure to join our community and stay up to date with the latest in blockchain development, including our own HedgeTrade DApp. Get access to all the top cryptocurrency traders in the industry. Follow, learn and replicate the best with HedgeTrade. Their advisory services help companies to optimise their practices and offering to accelerate their growth and development.
DigitalX have an impressive team with decades of experience in finance and investment. Neel Krishnan, President of the company, has worked in capital markets and hedge fund management. Leigh Travers, managing director of the company has worked many years at boutique investment firms and has Fintech qualifications from MIT.
The management team at DigitalX brind their diverse backgrounds together to offer excellent consulting and advisory services. DigitalX have many exciting clients and projects in the works, including Powerledger, a blockcahn based P2P energy trading platform.
Blockchain Australia based in Melbourne specialises in blockchain development and consulting services, cryptocoin wallet development, token development, initial coin offering development, smart contract developemtn and POC blockchain development. Blockchain Australia recognise the diversity of applications for blockchain technology and are excited to help with developing the technology in a number of industries. Blockchain has application for everything from finance and real estate to the freight, health and identity security industries.
Blockchain Australia are technology and development experts and through their partner companies can help to develop new business models and technologies.
Their consulting services can help to guide and educate founders about the blockchain development process. Blockchain Australia are on the forefront of the technology and so are well placed to advise on the technology. They are always up to date on the latest technology and constantly keep up to date on the latest training so that they can help to train and educate their clients.
Blockchain Australia can assist with analysing the viability of your product, your audience and the applications for your product. They can then help you with building and finalising your project and can assist in areas such as proposal development and prototype exploration. They work with a number of highly recognisable Australian clients and partners, so when working with them you gain access to a large network of expertise to help drive the growth of your product and ideas.
Executive Editor at Best in Australia. Mike has spent over a decade covering news related to business leaders and entrepreneurs around Australia and across the world. You can contact Mike here. Sign in Join. Sign in. Log into your account. Sign up. Large companies are using it for speed and security across a wide variety of devices.
JavaScript has multiple libraries and frameworks , all the way from jQuery and React to Angular and Node, which have proven worthy for web applications. JavaScript is considered secure as apps built on JavaScript are on average less buggy, which is important for writing blockchain apps where transactions are irreversible.
It is an object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation. Python is one of the most popular programming languages in the world and enjoys a huge community of developers. Because the language is simple and easy to learn, it can be an excellent choice for blockchain projects. Go is a general-purpose language designed with systems programming in mind. It is strongly typed and garbage-collected and has explicit support for concurrent programming.
Used by Hyperledger — one of the biggest open-source software providers of enterprise blockchain , Go has become a popular language for creating blockchain applications.
20,000 smart blockchain investors
Mike has spent over a decade covering news related to business leaders and entrepreneurs around Australia and across the world. You can contact Mike here. Sign in Join. Sign in. Log into your account. Sign up. Password recovery. Thursday, 11 February Forgot your password? Get help. Create an account. Best in Australia. Home Best in Australia🥇 3 best blockchain companies. Best in Australia🥇 Business Economy.
Share on Facebook. Photo: Mmi9, Pixabay. Contents hide. The 3 Top Blockchain Companies:. Mike Smith. Top reasons why you need mascots in Australia. Phuc Vinh Ngo gives insight into how his business Dev Smith What is an access mat? How workplace interiors can adapt in Covid trends. We can also expect that this might give Square the leg up on all of its competitors. As the 7th largest IT services provider, we figure Fujitsu earned its rightful place in our top blockchain stocks to buy.
It is also seen in services that help companies implement blockchain solutions quicker than ever before. Like anything, diversification is key. This means adding stock with business far from home might be great to balance out some of the uncertainty in your local community. While there have been some questions about whether this stock is a buy, sell or hold. The stock is currently in an upward trend in which some predictions have suggested it will continue to rise over the next few months with another double-digit increase in price.
This means investor, you can likely capture some of these profits. Yes, you saw this correctly. We know this one is a little hard to believe since the presence of blockchain has suggested that Mastercard could become obsolete one day.
However, Mastercard has decided to instead leverage this threat and make it work for them. Mastercard has always been and for the foreseeable future will continue to be a good investment especially with its expansion into new markets such as China being on the horizon. Although the company has already seen a With this in mind, it is only a matter of time before we foresee a blockchain acquisition going through.
This Canadian stock might be a bit of a wildcard but we wanted to include it in the list anyway. Canadian companies use TrueTrace Technologies to develop blockchain software for the cannabis sector through StrainSecure. As regulations surrounding the Cannabis industry continue to adjust, we know that Canada is just the beginning. The United States also provides many opportunities for growth that we know TrueTrace Technologies will be quick to leverage.
This is promising for future growth potential as success here, will likely mean more partnerships down the road. As a result, the company has seen a steady increase in profits each quarter which will believe will continue to translate in increased stock prices. Overstock is heavily invested in the success of blockchain as evident by its subsidiary Medici Ventures whose profits are recorded under tZero.
Not only this but CEO, Patrick Byrne even admitted his firm was going to sell a portion of its retail business to finance crypto ventures. Some have been a little bit skeptical about this buy.
The company was also the first U. That said a couple of cautions have been brought to the attention of investors. Even if their efforts to leverage blockchain fail, the company still has enjoyed single-digit growth year after year.
So, as a short term buy Overstock might still be okay! Alibaba might just have an advantage as the most patented company in the blockchain world, which is quite the accomplishment in our books. As a patent leader, profits will still be made through licensing agreements which means continuous profits for the company.
With the stock on a continuous profitability streak, it is key to get in at the right time to avoid overinflated prices. Coronavirus has influenced Chinese stocks for the worse, however, Alibaba is still pretty stable facing only a slight dip.
If this dip continues to grow deeper we can be hopeful that a good time to enter this stock might be closer than we think. From a less technical standpoint, we can see the actions of Chinese company Alibaba match the American company Amazon. This proves well as Amazon continues to dominate each market it enters, which would suggest on the other side of the world Alibaba could do the same.
They have continued to see success in similar areas such as cloud computing and food delivery, while continuing to diversify into other markets such as blockchain. It is an object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
Python is one of the most popular programming languages in the world and enjoys a huge community of developers. Because the language is simple and easy to learn, it can be an excellent choice for blockchain projects. Go is a general-purpose language designed with systems programming in mind. It is strongly typed and garbage-collected and has explicit support for concurrent programming.
Used by Hyperledger — one of the biggest open-source software providers of enterprise blockchain , Go has become a popular language for creating blockchain applications. Due to the simplicity of the language, it is finding traction among blockchain developers. Vishal Chawla is a senior tech journalist at Analytics India Magazine and writes about AI, data analytics, cybersecurity, cloud computing, and blockchain.
Download our Mobile App Blockchain has been one of the biggest technology trends in the last few years.
3 best blockchain companies
Blockchain JavaScript is used everywhere on the web and is greatly popular and widespread. Projects like Ethereum has shown us that one can use a public blockchain to create decentralized applications. What is a hardware wallet? Inthey for their system to incorporate Merkle technology that enhanced efficiency thereby enabling the collection of more development on a development block. As a result, the company for seen best steady increase in profits each quarter which will believe will continue blockchain translate in increased stock prices. Blockchain as a Service BaaS is a term that has been floating around a lot lately. Blockchain Australia are on the forefront of the technology best so are well placed to technology on the technology.
9 Best Blockchain Stocks to Buy
We present university paper writing company online that can do a paper in a few hours. Essay writing service to help with your essay. Washington rehab information and resource. Copyright Infringement. What are the best development platforms for blockchain technologies? Aug 18, by Michael Volokhai With the development of such an innovative technology as blockchain, which is now able to alter the whole world system from its beginning to an end, entirely cancel the banking system, disable printed currency and establish an absolutely new order in the relations between people in the field of business and even politics, those, who are deeply interested in it are starting to look for those tools, which may help them to achieve their goals linked to the creation of blockchain.
How to choose a proper platform for blockchain building? Ethereum Ethereum is one of the most reliable and widely spreaded platforms for the creation of good blockchain systems and work on the cryptocurrencies. Here is also a list of others highly positive features of that software: Opportunity to develop a smart wallet and smart money; Democratic autonomous regulations; Designing of your own cryptocurrency; 2.
Open Chain It is another pretty popular ledger technology, which fits perfectly for the development of good blockchain systems in order to prevent the interference of the third parties into the process of transactions and deals. Eris Eris might be one of the most suitable platforms for those, who want to build a blockchain based application with the usage of cryptocurrency technology, the opportunity of real-time transactions and absolute safety of any committed operations.
Hydra Chain Frankly speaking Hydra Chain is not officially an independent software for the development of the blockchain sections, but is an extension for Ethereum platform. Finally, there are also other things, such as: Instant finality; Native contracts; Easy deployment; Open source Code; Commercial support for any possible type of the final product, manufactured with the usage of Hydra Chain. Multichain Last, but not least software could be called one of the most advanced and famous platforms.
Bottom line… All in all, blockchain is one of the biggest and one of the most complicated topics to understand in the developing cyber world of the 21st century.
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You should, too. Blockchain Basics. Mastering Bitcoin. The Business Blockchain. The Internet of Money. The Book of Satoshi.
Block8 seek to work with innovative companies for which blockchain technology is essential. Their preferred projects are ones that will have a social or economic impact on the world and disrupt the landscape through regulatory change or impacting on a trend. They look to work with companies that already have seed capital secured as it is required throughout the prototype stage and seek to work with companies that have strong, experienced leadership capable of guiding the non-technical aspects of the project.
Block8 does not seek to profit from companies at the early incubation stages, their profits are instead usually made post funding or initial coin offering through equity or token exchange. Block8 are the top in Australia when in it companies to providing a comprehensive incubation program to founders and the services they offer at at the forefront of technology.
DigitalX is a company based in Perth and New York specialising in blockchain consulting and development and initial coin offering advisory services. Their extensive experience in the cryptocurrency and blockchain development spaces means that they are well placed to assist companies with integrating blockchain into their businesses. This consulting service involves more than just software development, but also includes detailed analysis of blockchain and business models, expert advice on blockchain software and customised development of software and security.
Their initial coin offering advisory services include expert investment advice and assistance with deal structuring, tech due diligence and marketing and promotion to help companies gain momentum ahead of launch. Their advisory services help companies to optimise their practices and offering to accelerate their growth and development. DigitalX have an impressive team with decades of experience in finance and investment. Neel Krishnan, President of the company, has worked in capital markets and hedge fund management.
Leigh Travers, managing director of the company has worked many years at boutique investment firms and has Fintech qualifications from MIT. The management team at DigitalX brind their diverse backgrounds together to offer excellent consulting and advisory services. DigitalX have many exciting clients and projects in the works, including Powerledger, a blockcahn based P2P energy trading platform.
Blockchain Australia based in Melbourne specialises in blockchain development and consulting services, cryptocoin wallet development, token development, initial coin offering development, smart contract developemtn and POC blockchain development.
Blockchain Australia recognise the diversity of applications for blockchain technology and are excited to help with developing the technology in a number of industries. Blockchain has application for everything from finance and real estate to the freight, health and identity security industries.
Blockchain Australia are technology and development experts and through their partner companies can help to develop new business models and technologies.
Their consulting services can help to guide and educate founders about the blockchain development process. Blockchain Australia are on the forefront of the technology and so are well placed to advise on the technology. They are always up to date on the latest technology and constantly keep up to date on the latest training so that they can help to train and educate their clients.
Blockchain Australia can assist with analysing the viability of your product, your audience and the applications for your product.
The team of this has hands-on experience in managing every data. On the other hand, this tech company has access to the biggest pool of Cryptography, Cybersecurity challenges, and Blockchain engineering.
Another best Blockchain technology company is ChromaWay that provides a flexible and robust platform for a wide range of financial applications. Moreover, it provides smart contract solutions for industries like finance and real estate. These are the global industry leaders who help generate customized Blockchain solutions and help businesses deal with every digital product. You can also transfer your assets via this tech company, which is based on Blockchain.
Somish tech company was established in the year and offered an automation solution using the latest technologies. This company is also based on Blockchain technology and has many years of experience. Besides, they have been serving many industrial clients with re-engineering, designing, and development services for a couple of years.
If you are willing to invest in Blockchain-based tech companies, you can consider this firm. They have hard-working teams who understand the clients and their objectives correctly.
Once you launched Geth, you have the option to either connect to the live blockchain that already exists or create a different blockchain. The latter option depends heavily on the provided settings. If for any reason you do not set any default values, then Geth with automatically link to the Ethereum mainnet. Geth also functions as a console for loading specific commands and executing certain objectives.
It is important to note that by running Geth, it will immediately download the entirety of the Ethereum blockchain, which is a process that can take a long time to complete; it can run from several hours to even days.
For this reason, it would be wise to use an external hard drive to store all the data. Importantly, developers of new DApps need a place for their users to safely store their Ether tokens. Also, Mist enables them to carry out smart contracts. The same team that forged Ethereum in the first place is behind Mist, which is the official wallet of Ethereum.
It is easy to jump on board and use it. But something that should be kept in mind is that it is a full node wallet. For perspective, this takes up roughly 1 TB. It is a system that is available to use on Windows both 32 bit and 64 bit , Linux also 34 bit and 64 bit , and Mac.
Once you install Mist, you will have a short wait time. This allows the software to sync up to date with either the Ethereum blockchain or the main blockchain. Shortly after the syncing, you will choose a password. Two things that should be kept in mind during this step are:. Stability is something that we are all entitled to when it comes to developing on Ethereum. It is an especially mandatory component as far as smart contracts are concerned.
Solidity is a trimmed down language that is loosely-typed and object-oriented. This digital structure is perfect for the formulation of smart contracts that reside on the Ethereum blockchain. Though these two breeds of solidity compilers are technically manufactured from the same source code, they actually tend to come up with results that are slightly different. As such, there is also the differing factor that is their command line interfaces. With all that being said, when comparing the two, solc -js is a little bit slower than solc.
A good chunk of the Ethereum nodes intrinsically include an implementation of solc. But it is additionally packaged as its own, standalone module that is used for offline compiling. This arrangement gives you the option to either use web3.
Alternatively, you can even start using a solc. Remix is a system that was written in JavaScript. On another side screen, you can deploy your code onto the blockchain. This second side screen will also let you interact with the functions you have inscribed. It supports handlings that are either done in the browser or locally. Moreover, it upholds the testing, debugging, and later distribution of smart contracts, and so much more. The incorporated code analyzer makes absolutely certain that the developers create their best code.
Lastly, the general system connects to the Ethereum blockchain through Metamask something that we will cover later in this article.
If you wish to write a program for the Ethereum Virtual Machine EVM , then there are a couple of things for you to consider:. With the probability of a DApp backfiring, it is only logical that you would want to test it out first.
For the procedure, you will want to use a testnet before moving on to using the mainnet to deploy the DApp. Testnets as a whole are copies of the Ethereum blockchain that closely resemble the Mainnet. Except for the fact that the Ether on a tesnet is worthless, as is the software that has been deployed on them. Using this system, you can run tests on your DApp without any worry of real consequences.
To build this particular blockchain, a genesis file that you have generated will use a tool — one that is similar to Geth — to create a new chain just for you to use. This newly produced chain will then be inspected and collaborated by utilizing tools like MyEtherWallet, Mist, Metamask, etc. The appeal of private testnets is actually quite straightforward. Additionally, they use them to check the functionality of transactions without making themselves vulnerable to hacks and other attacks.
In addition, once a private test network has grown enough, then the developers can finally expose the system to the public online. On a single computer, it replicates the Ethereum network. Thousands of blockchain projects are in development or are developed and deployed to the internet. Companies are looking for new blockchain ideas or trying to improve what other companies created now like crazy, and this is just the beginning of how blockchain technology is running the world.
For us, developers or people who would like to start working in blockchain industry is like a dream. We can find a job immediately with a really high salary and good conditions. However, is one important question. Now I will try to explain you the short description of every language, pros and disadvantages, the difficulty level of go into the language from scratch, and which blockchain project is using that language. What is most important for us javascript is prototype-based, dynamic and weakly typed and is one of the leading web technologies.
To start working with javascript, we need to learn basics and go more deeply later when we need that. Helpful with javascript learning is the fact, on the internet are many materials with courses and tutorials, not only for pure javascript but for popular frameworks as well. The most popular place where is used is web3. One more popular blockchain where you could use javascript to work with contracts is NEO, very fast blockchain which can handle even few thousands of transactions per second.
Less famous but still very often javascript using case are lighting apps, which is super fast network built on top of bitcoin blockchain and the second one which I would like to mention is the Raiden network which is high-speed infrastructure based on top of ethereum blockchain. For me, it was more difficult language to learn than javascript because syntax and the types, but is not that difficult and complicated language like for example Go. Additionally, tons of good and free learning sources are making this language one of the easiest to learn.
C is used in a few popular blockchain projects, one of the most popular is NEO which is named Chinese version of Ethereum. Neo is a high-speed Blockchain platform, which can handle even few thousands of transactions per second.