Salt is used to store your data securely. If we have to store user password securely, we need to use salt.$pwd=hash(hash($password) + salt)then store $pwd in your system instead of the real password.So, the question is, how to define the salt value. Here is how:// if (saltBytes == null) { ... Read More

LEDs (Light emitting diodes) are very widely used in today's electronics equipment and they are ruling the world's display technologies today. LED's are used for much electronic equipment. Mostly they are used as panel indicators on televisions, radios and other domestic electronic and industrial equipment. There are different types of ... Read More

There are some free options available to generate closed captions from Audio/Video.Amara − Amara is one such tool. It is very easy to learn and provides the best platform to create captions from scratch.Youtube − Youtube is the most popular tool which is available for free. It has great features ... Read More

A graduate of Electronics and communications engineering have a lot of opportunities as the subject is very vast. People can take one of the fields related to EC and become an expert in that and then explore the opportunities in that area. Apart from their core field, electronics engineers have ... Read More

Cryptocurrency like Bitcoin uses the Block chain as a decentralized, distributed, public digital ledger that records all the transactions of the Bitcoin. Block Chain has a unique feature of storing the value of previous block as a hash value in the current block, which makes it impossible to alter any ... Read More

Block Chain is the most important component of any cryptocurrency network. Cryptocurrency is based on distributed, transparent public ledger where all the transactions ever made on a cryptocurrency are noted in the blocks and added to the block chain. Miners get attractive rewards to verify and create a new block ... Read More

Cryptocurrency is entirely dependent on Block Chains to maintain their transactions. A block is like a page of a ledger book where some transactions are written in ink, permanent which cannot be altered. A block typically consists of transactions of bitcoin or any other cryptocurrency and the details of transactions ... Read More

Before we talk about Ethereum let us first understand the concept of Decentralized network of Bitcoin which laid the foundation for the following Decentralized networks. Bitcoin digital currency was invented by Satoshi Nakamoto in 2009 as using a decentralized and transparent network.Bitcoin uses Cryptography + Proof of work + Decentralized ... Read More

From a connoisseur to a novice who deal in Bitcoin have a number of questions in terms of the security of this currency. However, they should not be worried because crypto is securer than existing currencies, banks, and other financial institutes.Thanks to Blockchain technology, which is backing it. Transactions are ... Read More

Ethereum Mining GuideEthereum Blockchain BasicsAs we all know, cryptocurrency mining is a process of solving complicated mathematical puzzles and miners play a crucial role in any cryptocurrency network as they spend their time and computing power to puzzle out those math problems, giving a ‘proof of work’ for the network, ... Read More