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Parallel to the underlying L1/L2 transaction GAS cost, the PROTOCOL-FEE is also settled on the smart contract level.
Parallel to the underlying L1/L2 transaction GAS cost, the PROTOCOL-FEE is also settled on the smart contract level and is applicable for every email or message transaction. Total user cost equals the sum of the L1/L2 transaction GAS, the PROTOCOL-FEE, and the cost of storage if any.
(1) L1/L2 transaction GAS cost; (2) PROTOCOL FEEs; The PROTOCOL-FEE equals the sum of BASE-FEE and DAPP OWNER-FEE (i.e. 4P project). (2.1) PROTOCOL BASE-FEE; The BASE-FEE is set generally by the Level-1 integrator (i.e. immu3) as a constant within [Mails] and [Chat] smart contracts and can be adjusted based on the specific dApp. The PROTOCOL-FEE is defined with $ value approximation (e.g. ~0.0025$ ETH, Matic... ≡). Check PROTOCOL BASE-FEE prices. (2.2) PROTOCOL DAPP OWNER-FEE; is set by the dApp owner (i.e. 4P Lever-2 integrator) independently based on the dApp economic model. It is defined by the $ value approximation (e.g. ~0.0075$ ETH, Matic... ≡ for the dMail and ~0.0025$ ETH, Matic...≡ for the dChat).
Note: GAS usage is defined in wei & gwei and multiplied by GAS price, which results in true L1/L2 GAS cost.