Discrepancy in Fee Rates Between Bitcoin Mempool and Electrum Wallet’s Lightning Channel

[amotlagh]

I’ve observed a significant discrepancy between the fee rate in the Bitcoin mempool, which is currently 20 sat/Vb, and the fee rate for Lightning channel within the Electrum wallet, standing at 149.5 sat/vbyte. Moreover, I’ve encountered an issue where the channel feerate persistently increases whenever I receive satoshis, without any subsequent decrease. This persistent increase in fees is preventing me from using my Lightning channel effectively.

[ecdsa]

The feerate estimation used for Lightning channels is based on ETA estimates returned by bitcoin core, not on the mempool.

I think we may be able to use less aggressive estimates once we have anchor outputs.