Skip to main content

Posts

A Complete Guide to BlockChain Development

In 2016, tech and finance companies alone invested $1 billion in blockchain.  Blockchain has rapidly progressed from an esoteric technology to the forefront of R&D for major financial institutions, governments, universities and multinational corporations. This guide is designed for founders, entrepreneurs, product managers, innovators and developers looking to learn how blockchain development works, how to incorporate blockchain into their businesses and what’s needed to start a blockchain project right now. Introducing the Blockchain As techies and innovators at heart, we could go on for days about blockchain. Regardless, the technology produces some powerful benefits: Decentralization  by removing single points of failure Trust  through mass consensus Transparency  with public transactions Security  through immutability What Is “The Blockchain”? Blockchain simply refers to a type of database — one that’s massive, decentralized, transp...
1 comment
Read more
Recent posts

Basics of SQL - Every Hacker need to know

The key to becoming a competent white hat is knowing how the technology that you are trying to exploit actually works. SQL injection is one of the most common methods of attack used today and also one of the easiest to learn. What Is SQL Injection? SQL, which stands for structured query language, is a standard language used for retrieving and manipulating data in a relational database management system (RDBMS). Data is accessed through the use of queries, which allow information to be created, read, updated, and deleted (you will often see web applications referred to as CRUD apps for this reason). Databases can be used in a variety of situations, but one of the most common configurations is a database serving as the backend to a web application. When certain actions are performed, such as logging in or searching, queries are sent from the web app to the database i njection is allowed to occur when input fields are not properly sanitized or escaped. An attacker c...
Post a Comment
Read more

MySql Basics for Begineers

MySQL is an open source database management software that helps users store, organize, and retrieve data. It is a very powerful program with a lot of flexibility—this tutorial will provide the simplest introduction to MySQL How to Install MySQL on Ubuntu and CentOS If you don't have MySQL installed on your system, you can quickly download it. Ubuntu: sudo apt-get install mysql-server Centos: sudo yum install mysql-server /etc/init.d/mysqld start How to Access the MySQL shell Once you have MySQL installed on your droplet, you can access the MySQL shell by typing the following command into terminal: mysql -u root -p After entering the root MySQL password into the prompt. Now you will be able to start building your MySQL database. Two points to keep in mind: All MySQL commands end with a semicolon; if the phrase does not end with a semicolon, the command will not execute. Also, although it is not required, MySQL commands are usually written in uppercase an...
Post a Comment
Read more