Audio recordings of the call on September 23rd, 2020

# Agenda for 23 Sept call

## Ongoing developments
- Last beta 4 pre-release before RC1
- Invoicing protocol: 
  * LNURL downsides
  * new LN developments (lni, lno, lnr by Rusty Russel)
  * possible applications of the above for RGB LN workflows
  * miniscript/descriptor bitcoin invoices with TLV-LN style
  * results of research and plans for RGB universal invoicing
- PSBT development: 
  * main format for data storage & exchange
  * brining rust-bitcoin libraries closer to full implementation
- Schema/Genesis: versioning, chain params
  * Implications: DEX/Spectrum outside RGB in LN

## Closing old discussions
- Monero bulletproofs
- Lexicographic output ordering

## CI & infrastructure:
- Dockerization: full set up images
- Signet & Lightning
- Exhaustive tests

## Future protocol developments
- Zk: bulletproofs aggregation
- Decentralized issuance with public transitions

Tasks for the community discussion:
* LNP-BP/LNPBPs#57
* LNP-BP/LNPBPs#46
* LNP-BP/rust-lnpbp#104