Blockchain foundation and smart contracts (BFSC)Blockchain Decentralization Consensus Everyone coming to an agreement 1980 Two general problem Imagine you live in the Land of Computing and you’re a general of the army. Your title is General A. You and your soldiers are strategically positioned in ...May 15, 2024·54 min read
Java Notes for solving Coding Problems📌 To sort an array - Arrays.sort(arr); Arrays.sort(arr,start_index,end_index); 📌 To sort an array in reverse order - import java.util.arrays; import java.util.Collections; //Code Arrays.sort(arr, Collections.reverseOrder()); 📌Comparator in Java -...Jun 3, 2022·9 min read
How to interact with another smart contractHello readers👋 Smart contracts are the most popular feature of the Ethereum blockchain. Sometimes some smart contract functionality is needed to be accessed from outside the contract say by other contracts. Let us look at how to interact with a depl...May 2, 2022·9 min read
Hardhat for beginners: Setup and TestingHello readers👋 The web3 space is booming every day and more and more developers are diving into it and creating DApps every day. As more and more developers start looking into creating DApps, we need a sophisticated development process. Hardhat is o...Mar 30, 2022·11 min read
What are blockchain oracles?Hello readers👋 We all know that blockchain works on the idea of decentralization. But what if our decentralized application requires some real-world information like the current market price of ether, the weather of a particular location, etc. We ha...Mar 27, 2022·6 min read
NFT Use CasesHello readers👋 You might have heard so much of NFTs now but do you believe that they are just some jpegs. If you believe that, you are wrong. Let me make you clear what outstanding potential does NFTs have. If you don't know what NFTs are, make sure...Mar 25, 2022·7 min read
Bit Manipulation1 byte = 8 bits.Any integer or character can be represented using bits, which we call its binary form(contains only 1 or 0) or in its base 2 form. Example:14 = {1110}₂= 1x2³ + 1x2² + 1x2¹ + 0x2⁰= 14 For characters, we use ASCII representation, which ...Mar 20, 2022·11 min read
