“Downloading blockchain at 0 blocks/min”
I have had that issue in the past several times.
Always deleted my burst_db, downloaded another online version, moved it to folder , started wallet again and waited for synchronisation etc.
I dont want to do this again and again !!
Instead of implementing Atomic Cross-Tangle Transactions, ring signatures and zk-SNARKs, PoC-guys should better take care of proper wallet functionality