Lightning Labs launches the Wavelength alpha as an Ark-like, self-custodial settlement layer built for agents and consumers. Jack Mallers steps away from Twenty One Capital after its planned merger with Strike and Elektron Energy is called off. And Jack Dorsey's Buzz turns a self-hostable Nostr relay into an open workspace for human and AI teammates. Issue 604 of Bitcoin Breakdown, published July 22, 2026. https://www.btcbreakdown.com/p/issue-604