{"podcast":{"title":"The Sound Around Us!","slug":"the-sound-around-us-5981081","podcast_index_feed_id":5981081,"rss_url":"https://media.rss.com/e-music/feed.xml","website_url":"https://rss.com/podcasts/e-music","image_url":"https://media.rss.com/e-music/20230120_110115_65b785c75a777379695a8c6858d37fb1.jpg","author":"E-Music","episode_count":2032,"summary":"\"Sound Around Us\" is a podcast that explores the various sounds in our environment and the impact they have on our daily lives. From the chirping of birds in a park to the hum of traffic on a busy street, the podcast delves into \"The Sound Around Us\", where the pun was most definitely intended! The program includes distinctive sounds from all around the world with a focus on allowing listeners to feel new emotions just by listening. The podcast seeks to increase listeners' awareness of how important sound is in creating our environment and to inspire people to pay closer attention to the noises they are surrounded by. Overall, music plays a huge role in our lives! Everywhere we turn, from the contemporary world to mother nature herself, we see it. Watch this space for weekly updates!","last_synced_at":"2026-08-01T06:19:31.096889+00:00","page_url":"https://stenobird.com/podcast/the-sound-around-us-5981081"},"episode":{"title":"How Tap to Pay Works Without Reusing the Same Secret Twice | The Hidden Cryptography Behind Contactless Payments","slug":"how-tap-to-pay-works-without-reusing-the-same-secret-twice-the-hidden-cryptography-behind-contactless-payments","published_at":"2026-07-10T16:59:29+00:00","page_url":"https://stenobird.com/podcast/the-sound-around-us-5981081/how-tap-to-pay-works-without-reusing-the-same-secret-twice-the-hidden-cryptography-behind-contactless-payments","show_page_url":"https://stenobird.com/podcast/the-sound-around-us-5981081","url":"https://rss.com/podcasts/e-music/2977628","audio_url":"https://pdcn.co/e/content.rss.com/episodes/182253/2977628/e-music/2026_07_10_16_57_40_b3ce422c-d021-4158-ad76-4c6cd5c05832.mp3","summary":"With a single tap, your payment is approved in seconds. No swiping, no inserting your card, and no typing a PIN in many cases. But if your card sends information wirelessly, why can't someone simply capture that signal and use it again? In this episode, we explore the incredible engineering and cryptography behind contactless payments. We dive into computer science, cybersecurity, electrical engineering, wireless communication, and financial technology to understand how tap-to-pay systems generate unique, one-time security codes for every transaction, making each payment different from the last. We examine Near Field Communication (NFC), EMV chip technology, tokenization, dynamic cryptograms, encryption, secure elements, digital wallets, and the authentication systems that allow billions of secure transactions every day. We also explore why replay attacks don't work, how phones securely emulate payment cards, and how banks verify transactions without exposing your real account information. From smartphones and smartwatches to credit cards and payment terminals, this episode reveals the hidden combination of cryptography, wireless engineering, and financial infrastructure that makes contactless payments both incredibly convenient and remarkably secure. If you enjoy engineering, cybersecurity, technology, and the hidden systems behind everyday life, this episode is for you. Start your own podcast today with RSS: https://rss.com/?via=71219c 🛒 Zivolife - Exclusive patented superfood! 💰 Get 30% OFF | Promo Code: SOUND https://promocode.to/zivolife/sound-j81 🛒 LiQure - Gummies that help prevent hangovers 💰 Get 20% OFF | Promo Code: SOUND https://promocode.to/liqure/sound-52k 🛒 Strong Coffee Company - Protein Coffee 💰 Get 20% OFF | Promo Code: SOUND https://promocode.to/stron…","meta_description":"With a single tap, your payment is approved in seconds. No swiping, no inserting your card, and no typing a PIN in many cases. But if your card sends info…","key_points":[],"chapters":[],"topics":[],"duration_seconds":718,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-sound-around-us-5981081/episodes/how-tap-to-pay-works-without-reusing-the-same-secret-twice-the-hidden-cryptography-behind-contactless-payments/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-sound-around-us-5981081/how-tap-to-pay-works-without-reusing-the-same-secret-twice-the-hidden-cryptography-behind-contactless-payments.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}