Deploying to Mainnet, Managing Keys, and Transaction Costs

This lesson is for enrolled learners

The concept Mainnet deployment uses the identical tooling as testnet deployment — the same forge script, the same transaction shape — but every mistake now costs real money and every leaked private key can drain real funds instantly and irreversibly. The single most important habit: never type, hardcode, or commit a mainnet private key in plaintext, anywhere a script, shell……

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