Ethereum precompiled contracts Ethereum precompiles behave like smart contracts created in the Ethereum protocol. The nine precompiles are in addresses 0x01 to 0x09. Agreement A also has the exact same a few variables: num, sender, and value. The setVars operate in agreement A is utilized to interact with contract B. https://jaredookgc.blogolize.com/5-essential-elements-for-vanity-eth-generator-69932409