Full Stack Hello World Voting Ethereum Dapp Tutorial — Part 1
Mahesh Murthy

Hey Mahesh,

Thanks for this wonderful post.
I had one doubt though. Similar to gas payment for deploying the contract, don’t we have to pay gas for executing the transactions?

I mean when we call: contractInstance.voteForCandidate(), don’t we’ve to specify gas?
I know call() doesn’t need gas as it returns current state.

Please shed some light regarding transaction or, state variable changes.

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