Manipulating strings in Solidity is notoriously difficult. This is surprising for most developers who are used to manipulating easily in…
Read StoryLet's say we have 2 smart contracts. A and B. A calls B, and B throws an error. What happen in…
Read Storyhttps://youtu.be/-5j6Ho0Bkfk ERC20 tokens allow you to create your own coin inside Ethereum. They are used in many projects to represent…
Read Storyhttps://youtu.be/_Nvl-gz-tRs Sending Ether between smart contracts is very important. After all, it's because smart contracts can do financial transactions that…
Read Storyhttps://youtu.be/MPBOnChpi0c Solidity arrays... are like Javascript arrays, right? Nope.. In Solidity: Arrays can only contain data of the same type…
Read StoryWhen you develop an Ethereum Dapp, once you have the frontend and the smart contract, you need to connect them…
Read StoryHere is the scene: You are about to use your Ethereum address to do some trading, or to send some…
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