# Contract Transactions

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Contract transactions on æternity enable the creation, execution, and management of smart contracts on the blockchain. These transactions handle everything from deploying new contracts to calling their functions, managing gas costs, and handling contract-related account operations. \
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The contract transactions provides detailed specifications of the four main transaction types (Create, Attach, Call, and Disable), explaining how transactions are processed, how gas costs are calculated and charged, and how contract addresses are generated. It also covers important security measures like pre-execution fee deduction and includes specific details about transaction requirements, signing, and state management.​​​​​​​​​​​​​​​​


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