Currently, the large mempool has a fee floor of 1 sat/vb. A few years ago, this fee was just a few cents for a 1i1o transfer, but now the price has increased significantly. The transactions in the mempool have experienced nearly two years of congestion, and there is also a trend of clearing out. I guess there will be a compromise this year, and the new floor will be 1 sat per transaction, rather than 1 sat/vb.