Hi @bayram,
I don’t have experience with this so not sure of best practices. Hopefully someone in the community can provide some input.
Appropriate (and thorough) testing and auditing would be required with any solution.
You may also need to seek appropriate advice on regulatory considerations.
Options appear to be:
- Update the rate on a regular basis (e.g. daily)
- Use an Oracle for USD/Ether and set the rate
- Accept payment in a stable token rather than Ether