Fee-Based Spam Prevention For Lightning

The inquiry seeks detailed clarification on the specifics of when a hold fee is charged and the mechanisms in place to ensure that sufficient funds are available to cover this fee. Additionally, it questions the criteria used for determining the maximum amount that can be levied as a hold fee, asking whether the fee calculation is based on the transaction amount, the slot allocation, or a combination of both factors. The request underscores the need for precise information on the operational procedures related to the charging of hold fees, emphasizing the importance of understanding the financial implications and the safeguarding measures to prevent overcharging.