Engine is an open-source, backend server that reads, writes, and deploys contracts at production scale.

Why use Engine?

Engine enables your app to:

  • Send multiple blockchain transactions at once.

  • Resubmit stuck transactions, handling nonce values, gas settings, and RPC errors.

  • Avoid duplicate transactions.

  • Manage multiple backend wallets and their funds.

  • Control access from your backends and team members.

  • Sponsor user gas fees.

  • Deploy and interact with smart accounts.

  • Subscribe to contract events and transactions.

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