sommerfeld

Good idea but right now sentrum's bitcoin functionality is 100% dependent on [bdk](https://github.com/bitcoindevkit/bdk) so they would need to support it first.

According the [lnd rest api docs for AddInvoice](https://lightning.engineering/api-docs/api/lnd/lightning/add-invoice) it seems to be as easy as adding `private=true` in the rest api request. According to my shallow investigation, it should be...