Below are the transactions for the hunt, where I swapped BUSD on Binance Chain to RUNE on Thorchain, swapped RUNE to BNB, and swapped BNB back to RUNE.

Guide for Ledger User Experiencing Errors During Swap

1. Swapping from Binance Chain to Thorchain (Error: no signer)

Disconnect your ledger, then reconnect to Thorchain, and then connect to Binance Chain, in this sequence, otherwise you will continue to get the no signer error no matter which app you're using.

2. Swapping from Thorchain to Binance Chain (Error: device disconnected)

Disconnect your ledger, then reconnect to Binance Chain, and then connect to Thorchain, in this sequence, otherwise you will continue to get the device disconnected error no matter which app you're using.