On this Bitcoin Talk episode of THE Bitcoin Podcast, Walker talks with Calle, an open-source developer currently building Cashu, an open-source Ecash protocol for Bitcoin*****Go to bitbox.swiss/walker and use promo code WALKER for 5% off the Bitbox02 Bitcoin-only hardware wallet.*****CALLE & ECASH LINKS:Calle on Nostr: https://primal.net/calleCalle on X: https://twitter.com/callebtcCashu: https://cashu.spaceCashu wallets: https://docs.cashu.space/walletsDONATE TO CASHU DEVELOPMENT: https://docs.cashu.space/contribute*****eNuts (developed by Agron): https://www.enuts.cash/Agron on Nostr: https://primal.net/p/npub1pp355axf69z8ndrz8zdnqa54s90e5xy737mwqk9e9cvt606nwszsdx8nu7Agron on X: https://twitter.com/kadrigron*****npub.cash (devloped by Egge): https://npub.cashEgge on Nostr: https://primal.net/p/npub1mhcr4j594hsrnen594d7700n2t03n8gdx83zhxzculk6sh9nhwlq7uc226Egge on X: https://twitter.com/Egge21M*****WALKER’S LINKS:NOSTR: https://primal.net/walkerX/TWITTER:https://twitter.com/walkeramericahttps://twitter.com/titcoinpodcastWATCH ON YOUTUBE or RUMBLE