100 Days of Solana Epoch 4 Tackles Real-World Mainnet Deployment Skills

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The 13th arc of the '100 Days of Solana' program has launched, dedicating seven days to the production deployment process on Solana's mainnet-beta. Unlike devnet, mainnet-beta deployments cost real SOL, expose programs as public infrastructure, and require careful management of upgrade authority. The arc covers key steps including deploying an Anchor program, setting upgrade permissions, publishing the IDL for third-party integration, and connecting a frontend wallet. Participants will also learn to handle failed transaction messaging and compile a production launch checklist. The arc concludes with a public launch backed by a verifiable on-chain explorer link, which serves as transparent proof of a completed, real-world deployment.

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