Compound data types in Sway (tuples, structs and fixed size arrays) Code https://github.com/t4sk/hello-sway Playground https://sway-playground.org/ Sway https://fuellabs.github.io/sway Fuel https://www.fuel.network/ Take a course https://www.smartcontract.engineer/ #Sway #SmartContract #Fuel #スマートコントラクト Follow https://odysee.com/@SmartContractProgrammer:8 https://twitter.com/ProgrammerSmart https://discord.gg/bt8FK2wkcW https://t.me/smartcontractprogrammer ... https://www.youtube.com/watch?v=7l0NQAHp1y0

There is no easy way to generate a random number inside Solidity. You might think of using block hash and timestamp for the sources of randomness. But hold on! In this video I will explain how they can easily be computed from other smart contracts. #Solidity #randomness #hack #blockhash #blocktimestamp Code: https://solidity-by-example.org/hacks/randomness/ References https://github.com/ethereumbook/ethereumbook/blob/develop/09smart-contracts-security.asciidoc https://solidity-05.ethernaut.openzeppelin.com/ Remix IDE: http://remix.ethereum.org Solidity: https://solidity.readthedocs.io Follow on Twitter: @ProgrammerSmart https://twitter.com/ProgrammerSmart Join me on Discord: https://discord.gg/Ny8sPaj Website: https://smartcontractprogrammer.com ... https://www.youtube.com/watch?v=8FF3IBTMeK0