Yeah, there are ‘layers’ - you need to tally up counterparties you need to rely on. Nothing to do with technology. Layer 1: Proof of Work: Bitcoin - the network is the counterparty. Layer 2: Possibility of Penalty: Lightning - the channel partners are the counterparty. Layer 3: Possession of Promise: Cashu - mint…...

Every wallet service provider’s nightmare. This is the type of issue that would keep me up at night and was the biggest issue I had with my previous iteration. I solved it (I hope) by storing absolutely everything on relays. I have my own relay behind a firewall, but…...