Content

1. What is the replace-by-fee (RBF) policy?
   • High transaction fee selection
   • RBF policy
   • Sender’s unawareness
2. Which blockchain networks support RBF?
3. How does the replace-by-fee policy work?
   • Initial transaction confirmation
   • Adjustment for transaction fees
   • Replace-by-fee flag
   • Broadcasting the replacement transaction for miners’ consideration
   • Transaction confirmation
4. How to enable and disable RBF?
   • Enabling RBF
   • RBF by output reduction in Trezor
   • RBF with Trezor devices in Electrum
   • Disabling RBF
5. Disadvantages of replace-by-fee policy