Ajith Parmar
If you are looking to practice solidity by solving some real world problem statements then here is a list of best interview questions asked for blockchain developers.
Gavin is starting a new bookstore and wants to use a smart contract to securely store data and make the process easy for customers. Gavin needs functionalities to be enabled for customers to directly check the availability of books using the smart contract. He needs your help in implementing the smart contract with the following functionalities:...
This challenge will help you to learn how to transfer tokens or ethers using Smart Contracts. Every function call is also a transaction but we will be specifically transferring Ethereum in this type of transaction. Just sending tokens or ethers is not the end goal for most of the dapps or smart contracts. Using smart contracts we can completely manage every token transaction happening on our smart contract and build many amazing dapps and financial systems, isn't it amazing!
This challenge will help you to learn how to add conditions for executing your functions from smart contracts. This operation is very important in constructing any smart contracts especially if you are developing smart contracts which will be dealing with a huge amount of tokens as it can add great security.
Dapp-World's Got Talent is a show that has come to its season finale. The winner of the show will be decided based on votes from the audience and judges. The weightage of the votes of judges will be different than that of the audience. The points will be assigned to each finalist based on the number of votes each of the finalists receive from the audience and the judges. The contestant with the highest points will be the winner...
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Dinesh is participating in a gambling game with his friends. The game involves choosing a random integer from an array of integers, and the person who guesses the number chosen by the website wins.However, Dinesh has discovered that the website always selects the second largest integer from the array.
He needs your help to implement a Solidity function that quickly finds the second largest integer in the array, so he can improve his chances of winning the game.
Ram is super excited about Holi and wants to give Shyam a special gift - a smart contract that lets him buy the most colorful colors for the festival!...
