Manipulating strings in Solidity is notoriously difficult. This is surprising for most developers who are used to manipulating easily 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 StoryFinally! Smart contract 30 is finished! I have just published the last video of smart contract 30 on Solidity assembly.…
Read StorySimple transactions on Ethereum cost from 20-30 cents to a few dollars. But complex transactions can be much more expensive.…
Read StoryAfter you deploy a web application, you can always change its code if you need to add a feature or…
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