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Network Fees

FAIR implements a custom high-performance implementation of the Ethereum Virtual Machine (EVM) and a fully bespoke client designed to support confidental applications (cApps) within consensus. The network implements the following fee mechanisms:

Gas on FAIR

FAIR implements the standard EVM gas model with a few modifications to support confidentiality and instant finality. As encryption on FAIR is optional, the default transaction utilizes the following to determine gas fees:

Type-0 (Legacy) Transactions

Total Fee = Gas Used * Gas Price

Type-2 (EIP-1559) Transactions

Total Fee = Gas Used * (Base Fee + Priority Fee Per Gas)

Where:

  • Gas Used: The total amount of gas consumed by the transaction.
  • Base Fee: The minimum gas price required for a transaction to be included in a block, which adjusts dynamically based on network demand.
  • Priority Fee Per Gas: The actual priority fee paid (min of max_priority_fee_per_gas and max_fee_per_gas - base_fee).
  • Max Fee Per Gas: The maximum total fee per gas the sender is willing to pay.
  • Max Priority Fee Per Gas: The maximum priority fee per gas the sender is willing to pay to incentivize validators.

Encryption (BITE) Fee

BITE Protocol utilizes the underlying threshold decryption mechanism within consensus to offer the encrypted mempool, conditional triggers, and fully homomorphic encryption (FHE) without the use of zero-knowledge proofs (ZKPs). However, as this is all done directly within the blockchain, there is additional cost to using these features.

The initial cost of a BITE transaction is an additional fee of 21,000 units of gas. This would make the minimum cost of a BITE transaction 42,000 units of gas (21,000 base + 21,000 BITE fee).

With most transactions on public blockchains being subject to maximal extractable value (MEV) through front-running and other manipulations, the additional cost of BITE is minimal when compared to the value of confidentiality and protection from manipulation.