I believe you're asking about transaction fees on crypto exchanges or banking platforms. Here's an image to help explain the situation (Please note that this image might be inaccurate and only represents a general concept):
https://files.catbox.moe/dlwxtb.webp
The fee structure has been changing quite frequently due to various factors, such as network congestion and demand. These changes may impact the overall cost of transactions. Transactions on certain networks or exchanges might become more expensive during peak periods. Always be sure to research the current fee structures before making transactions.