Episode notes
“Your conversations and your money should not have to live in totally separate places.”
Seth for Privacy is the COO of Cake Wallet and Radar, a Signal-compatible messenger combining encrypted conversations with self-custodial Bitcoin payments. In this episode, he explains why the next wave of Bitcoin adoption may begin inside an everyday messenger—not a standalone wallet.
We discuss how Radar makes sending Bitcoin feel as natural as sending a message, why Spark made that experience possible, and the challenge of combining simple UX, privacy and self-custody at scale. Seth also breaks down Radar’s connection to the Signal network, its plans for fiat top-ups and stablecoins, and why compromising someone’s phone can defeat even the strongest encryption.
We also get into Zcash’s historic counterfeiting vulnerability, Monero’s privacy model, Bitcoin privacy and how Silent Payments, PayJoin and better developer tools could make private, self-custodial Bitcoin practical for everyday users.
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