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What are Different Types of Blockchain?

The most talked-about aspect of technology is blockchain technology, which provides tools and processes activities while also evolving with new opportunities. As such, it is one of the most discussed aspects that you may also have heard about, isn't it?

Let's look at the different types of blockchain:

There are mainly three types of blockchain.

1) Public blockchain

It is a permission-free blockchain where anyone can become part of the network without any limitations. And the majority of cryptocurrency types prefer this over others that are controlled by consensus algorithms or rules.


2) Private blockchain

It is a permissioned blockchain network that allows institutions to set some limitations on who will have access to the blockchain's information. And only users with permissions can access certain sets of information.


3) Consortium

It is a network where consensus procedures (mining procedures) are tightly controlled by a set of preselected nodes (miners) or by a selected number of stakeholder organisations.
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Quebec Immigrant Investor Program
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Agile or Waterfall Methodology: Which One to Choose
The article was initially published in Codica blog. Web development uses different project management methodologies. Notably, agile and waterfall people compare the most. In this article, we will discover a comparison of agile and waterfall, and their positive and negative aspects in detail. Waterfall approach vs agile: what is in demand now? Software development lifecycle (SDLC) is a single process that differs in the two most sought-after project management approaches. It’s about agile and waterfall. As Statista’s data shows, 32% of respondents prefer the agile method in software development compared to 10%, who apply the waterfall approach. Source: Statista What is the Agile methodology? As the State of Agile Report demonstrates, 95% of the interviewed firms practice agile. Source: 15th Annual State of Agile Report Agile project management is a web development approach that concentrates on flexible stages to achieve the aim. So, a team can make modifications and changes swiftly. In 2001, the software developers group posted the Manifesto for Agile Software Development. The values of the Manifesto highlight the plasticity of development processes. How does the agile model work? The agile approach enables moving on a project in small steps. For example, in the Scrum approach they are called sprints. These are short periods of around a couple of weeks. At the start of each sprint, a web development team defines the deliverables list. At the end of the sprint, the client and the team discuss the results and make notes for subsequent sprints. Below is the framework with sprints demonstrated by Scrum. Source: Medium Pros of the agile approach The agile methodology has such advantages: - Moving in small steps with iteration - Agile approach means taking small steps. - Flexibility Agile teams are flexible, so, if needed, the project direction can be altered. - Opportunity of continuous improvements Communication in agile between the team and the client brings better end results. - Regular communication with client It helps to understand client’s requirements and simplify the development process. - Fast implementation of changes If changes are required, the team quickly makes them. - Quick product delivery The product with minimum features can be delivered to the market and gather user feedback. Cons of the agile approach - Higher customer involvement Sometimes clients prefer to rely on the team. - Robust change management needed Due to changes of priorities in agile, some features will not be developed within the allotted time. Therefore, you may need reliable change management. - Frequent redesigning The agile development system will require redesigning to maintain its high quality. - Team location in one place can be impossible In agile, it is good for the team to be in the same place. - Self-management required. The team should be fully dedicated to the project development. Best tools for agile development - Jira Project managers and developers use the Jira tool to accomplish and plan tasks. - Trello Trello enables users to write comments, attach documents, make checklists, and more. - ActiveCollab This tool comprises different features for task management, time-tracking, and more. - Axosoft This solution enables team members to make plans and plot process stages. What types of projects does the agile approach suit? The agile approach is best for projects where the features set is flexible, and projects with non-fixed budgeting. Example of projects developed with agile - In 2011, volunteers in Wikispeed developed an eco-friendly auto using the lean startup and scrum methodology. - The agile approach helps the Jet Propulsion Laboratory, a research facility managed by NASA, handle the data obtained from the Mars Curiosity rover. - BAE Systems Australia, one of the largest defense suppliers in Australia, was upgraded by Atlassian and saved $600,000 in the first year of applying the agile methodology. What is the Waterfall methodology? The first description of the waterfall approach was made in 1970 by Winston W. Royce, who presented a detailed diagram. This diagram shows the core of this approach. Source: Wikipedia Each of the waterfall methodology phases starts after the previous stage is completed. And each stage should be approved before moving to the next. This is the main difference between waterfall and agile. Also, the waterfall approach means that all the requirements are discussed at the start, unlike agile. Pros of the waterfall approach - Straightforward planning The client and the team agree on the requirements at the start of the development. - Defined scope The full scope is represented at the start of development. - Defined duration The waterfall approach simplifies defining the time for project delivery. - Consistent software design The waterfall approach eliminates the need to correct the design. - Easier costs evaluation The waterfall allows estimating costs at once. - Clear measurements of progress Each completed phase means successful progress in product development. - Designated team roles The waterfall approach allows clarity in distinguishing the roles. - The team members can handle other tasks Throughout the development process, the team can handle different tasks. - A client is less involved The client is involved at the start and at the end of development. Cons of the waterfall approach - Rigid structure of the project The waterfall approach doesn’t enable plan modifications. - Later testing The waterfall approach allows testing in the later development phase. - Difficulties with the delivery of big development projects There may be discrepancies between the needs and results. - Limited customer involvement It may lead to low customer satisfaction. - Clients find it difficult to understand the whole project Sometimes a client fails to understand some details. Best tools for waterfall development - ProjectManager It allows tracking the task progress. - Smartsheet With it, you can create plans and track the progress of projects. - Mavenlink It is an online tool for tracking your tasks’ progress and checking the deadlines. - Zoho Projects This tool offers features, such as Gantt charts and billing recording on many projects at once. Types of projects that the waterfall method suits It is best to select the waterfall approach for a small-size single project with the defined budget and scope and when a client prefers predictable project management. For instance, the waterfall is suitable for such domains as: - military, - construction, - healthcare. Agile and waterfall: comparison Below you can see an infographic showing how the development process is organized in both methods. Source: sketchbubble.com How to select between agile vs waterfall? Use the agile method if: - Your requirements are flexible; - The scope of the project and features can be сhanged; - You want to be involved in the development process. Use the waterfall method if: - Your requirements are not changeable; - The scope of the project is clearly defined and shouldn’t be changed; - You choose to rely on the development team. Conclusion Now, you have an idea of the agile and waterfall's positive and negative aspects, you can make the smart choice. If you need to develop a solution and implement it using the most advanced project management practices, contact us. With our methods, we will bring the best outcome for you. For more details on the agile and waterfall approaches, read our full article: Agile vs Waterfall Methodology: What is the Best for Your Project
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In the world of cyber security, there is a term that you may have heard bandied about but aren’t quite sure what it means: threat intelligence. What is threat intelligence, and why do you need it for your business? In this article, we will explore the concept of threat intelligence and how it can be used to improve your business’s cyber security posture. We will also touch on some of the different types of threat intelligence and how they can be used in your organization. What is threat intelligence? Threat intelligence (TI) is data that’s collected and analyzed to understand current and future risks to an organization. It can take many forms, but it’s typically used to give security teams a better understanding of the attacks they’re facing, the attackers themselves, and how to protect against them. Organizations use threat intelligence in several ways. Some use it to inform their overall security strategy, while others use it more tactically, for example, to choose which security products to deploy or which vulnerabilities to patch first. TI can also be used to help investigate and respond to incidents. There are different types of threat intelligence, but one common distinction is between internal and external TI. Internal TI is information that’s gathered by an organization itself, while external TI is information that’s sourced from outside the organization. External TI can come from a variety of sources, including commercial vendors, government agencies, and open-source projects. Regardless of where it comes from, all threat intelligence should be evaluated for quality before it’s used. This includes considering things like who collected the data, what methods were used, how complete and accurate the data is, and whether or not it’s timely. Poor-quality threat intelligence can do more harm than good by leading organizations to make bad decisions based on inaccurate or out-of-date information. The benefits of threat intelligence Threat intelligence (TI) is simply information about threats. It helps organizations identify, assess, and understand current and future risks. In cybersecurity, analysts use TI to improve their organization’s security posture by informing decisions about everything from technology investments to business processes. There are many benefits of using threat intelligence, including: -Improved security: By understanding the threats faced by an organization, analysts can make better decisions about which security controls to implement. This can lead to a more effective and efficient security program overall. -Reduced costs: An organization that understands the threats it faces can make more informed decisions about where to allocate its resources. This can lead to reduced costs associated with things like incident response and malware removal. -Greater efficiency: A well-run threat intelligence program can help an organization save time and effort by providing analysts with actionable information that they can use to immediately address risks. -Improved decision-making: Threat intelligence can help senior leaders make better decisions about strategic issues like corporate risk tolerance and resource allocation. TI provides organizations with a wealth of benefits that can help them improve their security posture and become more efficient and effective overall. How to use threat intelligence If you want to know how to use threat intelligence, you must first understand what it is. Threat intelligence is simply information that helps organizations and individuals identify, assess, and respond to current and future cyber threats. This information can come from a variety of sources, including social media, news reports, dark web forums, and more. To effectively use threat intelligence, you need to have a plan in place for how you will collect and analyze this information. You also need to make sure that your team is trained on how to interpret and act on the information you collect. Once you have a plan in place and your team is trained, you can start collecting threat intelligence. There are several ways to do this, but some of the most common include using search engines, setting up Google Alerts, subscribing to RSS feeds, and monitoring social media platforms. Once you have collected some threat intelligence, it's time to start analyzing it. This can be done manually or with the help of special software tools. Either way, you need to look for patterns and trends in the data so that you can better understand the threats you're facing. After you've analyzed your threat intelligence, it's time to take action. This will vary depending on the type of threats you're facing and the severity of those threats. In some cases, taking action may mean alerting your team or customers about a potential danger. In other cases, it may mean taking steps to prevent them. The different types of threat intelligence There are four different types of threat intelligence: 1. Strategic intelligence: This type of intelligence helps organizations make long-term decisions about their cybersecurity strategies. It can help you understand the motivations and goals of your adversaries, as well as their capabilities and vulnerabilities. 2. Tactical intelligence: This type of intelligence is designed to help organizations respond to specific security incidents. It can provide information about the techniques and tools that your adversaries are using, as well as their likely next steps. 3. Technical Intelligence: This type of intelligence focuses on the technical details of security threats. It can help you understand how your adversaries are exploiting vulnerabilities, as well as the methods they're using to evade detection. 4. Open-source intelligence: This type of intelligence is derived from publicly available information, such as news reports, social media posts, and blog articles. It can be used to supplement other types of intelligence, or it can be used on its own to give you a broader picture of the security landscape. Tools for gathering threat intelligence There are several tools available for gathering threat intelligence. Some of these tools are designed specifically for gathering intelligence, while others are more general-purpose tools that can be used for a variety of purposes, including gathering intelligence. One popular tool for gathering intelligence is the Security Information and Event Management (SIEM) system. SIEM systems collect data from a variety of sources and provide users with a central place to view and analyze that data. SIEM systems can be used to detect threats, track changes in network activity, and more. Another popular tool for gathering intelligence is the intrusion detection system (IDS). IDSs monitor network traffic and look for signs of suspicious or malicious activity. IDSs can generate a lot of data, so they must be configured carefully to avoid generating false positives (alerts on activity that is not suspicious or malicious). Threat intelligence can also be gathered manually by analysts who review data from various sources and try to identify potential threats. This approach can be time-consuming, but it can also be very effective in identifying emerging threats that might not be detectable using automated tools. Cyber security threats to be aware of When it comes to cyber security, there are several different threats that you need to be aware of. Here are some of the most common cyber security threats: 1. Malware: This is a type of software that is designed to damage or disable computers. It can come from viruses, Trojans, worms, and more. 2. Phishing: This is a type of online scam where criminals try to trick you into revealing personal information or clicking on malicious links. 3. SQL Injection: This is a type of attack where malicious code is injected into a database to steal data or damage the system. 4. Denial of Service (DoS): This is a type of attack where a computer system is overloaded with traffic or requests, causing it to crash or become unavailable. 5. Social Engineering: This is a type of attack where criminals use psychological techniques to trick people into revealing personal information or performing actions that could compromise security. Conclusion Threat intelligence is a critical component of any cybersecurity strategy. By understanding the latest threats and trends, businesses can take proactive steps to protect themselves. While threat intelligence can be complex, there are several resources available to help businesses get started. With the right tools and strategies in place, businesses can stay one step ahead of the attackers. If you are fascinated by what's happening in the tech domain, have a knack for data and numbers, and love to combine them to facilitate business decisions, Skillslash can help you thrive in it. Well known for providing the best Data Science Course In Hyderabad, Skillslash has developed a top-notch online presence and provides various other exclusive courses like the business analytics program, blockchain program, full stack development program, and more. With its Full Stack Developer Course and Data Structure and Algorithm And System Design Course, you can master the core theoretical concepts, and work with top AI firms on real-world problems. Get in touch with the support team of Skillslash to know more about the courses and the institute in particular.