Presentation: Air-gapped Bitcoin with Tails Tails How Tails works Demo Phoenix wallet back in USA New wallet backup scheme proposed Core 29 released Ephemeral dust! OP_NEXT debrief Videos CTV+CSFS development Bitcoin Cashies in attendance Bigger blocks? Erk and hArk (new ideas in Ark) Mass delegation for the bidding problem DahLIAS CISA protocol Consensus Cleanup BIP Draft Relaxing OP_RETURN standardness restrictions Taplocks