An interview with Ruben Waterman (TLC 2019)
World Crypto Network
Ruben Waterman discusses Bittter, a SEPA-based recurring Bitcoin purchase tool that evolved from address reuse to BIP47 privacy (concealing address correlation from chain analysis while exchanges see customer activity). Technical work centers on Lightning: opening channels for micro-stacks with capacity for multiple recurring payments, combining channel closures and reopenings into single transact

https://relay.towardsliberty.com/86926df4a5983e71c3d44204eeecd9059550e95060b18e89a487316ff2c7a986.mp4