How is the fee for an SDA transaction calculated?

Transaction involving Smart Deposit Addresses are included within the subscription amount paid by the client each month.

There are 2 additional Smart Deposit Address-related charges which are to cover higher operating costs of those chains.

• Tron: For deposits into a Tron Smart Deposit Address there is an additional $1.40 per-transaction cost

• Bitcoin: For deposits into a Bitcoin Smart Deposit Address there is an additional $1 plus 20bps per-transaction cost

These can be configured to be paid byt he client in end-of month invoicing or passed onto the client. More information about the 'Tron, Solana and Bitcoin' Extension can be found here: https://learn.rhino.fi/articles/7749894324-tron-and-solana-onchain-gas-costs?lang=en