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Implementing Rock Paper Scissors in Solidity

Have you ever thought about playing rock paper scissors on the blockchain? In this tutorial, we will build a privacy focussed rock paper scissors application on Ethereum using Solidity.

The aim is to understand the differences between a web2 application and web3 application also…

At the time of writing, there is no secure way of knowing if a contract was called by Another Contract or an Externally Owned Account, there has been 2 ways but both both of them are easily hackable and I will discuss each of them below.

EXTCODESIZE:

function isContract(address _addr)…

Ali Azam

A software engineer passionate about blockchain and 5G, experienced in leading many projects including Virtuwind and a well known Blockchain advisor.

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