
Insights from recent episode analysis
Audience Interest
Podcast Focus
Publishing Consistency
Platform Reach
Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
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Total monthly reach
Estimated from 13 chart positions in 13 markets.
By chart position
- 🇦🇺AU · Tech News#1265K to 30K
- 🇪🇸ES · Tech News#5030K to 100K
- 🇮🇹IT · Tech News#1261K to 10K
- 🇸🇪SE · Tech News#1351K to 10K
- 🇦🇪AE · Tech News#743K to 10K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
15K to 59K🎙 Daily cadence·194 episodes·Last published 2w ago - Monthly Reach
Unique listeners across all episodes (30 days)
49K to 198K🇪🇸51%🇦🇺15%🇮🇹5%+10 more - Active Followers
Loyal subscribers who consistently listen
20K to 79K
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Platform Distribution
Reach across major podcast platforms, updated hourly
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
From 17 epsHosts
Recent guests
Recent episodes
Bitcoin Optech: Newsletter #408 Recap
Jun 10, 2026
1h 39m 32s
Bitcoin Optech: Newsletter #407 Recap
Jun 2, 2026
52m 30s
Bitcoin Optech: Newsletter #406 Recap
May 26, 2026
1h 08m 06s
Bitcoin Optech: Newsletter #405 Recap
May 20, 2026
1h 05m 15s
Bitcoin Optech: Newsletter #404 Recap
May 13, 2026
1h 08m 01s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 6/10/26 | ![]() Bitcoin Optech: Newsletter #408 Recap✨ | BIP324QR signing payloads+5 | PythAdeman | Bitcoin OptechCore Lightning+4 | — | BIP324miniscript wallets+8 | — | 1h 39m 32s | |
| 6/2/26 | ![]() Bitcoin Optech: Newsletter #407 Recap✨ | Bitcoin newsCore Lightning+4 | Chandra Pratap | Eclair v0.14.0Core Lightning 26.06rc2+10 | — | BitcoinCore Lightning+5 | — | 52m 30s | |
| 5/26/26 | ![]() Bitcoin Optech: Newsletter #406 Recap✨ | BIP322TCP hole punching+5 | Oliver Gugger0xB10C | Ibis WalletLDK Server+7 | — | BIP322TCP hole punching+5 | — | 1h 08m 06s | |
| 5/20/26 | ![]() Bitcoin Optech: Newsletter #405 Recap✨ | Bitcoin CoreBIP proposals+4 | Fabian Jahr | Bitcoin CoreCore Lightning+6 | — | BitcoinCore Lightning+5 | — | 1h 05m 15s | |
| 5/13/26 | ![]() Bitcoin Optech: Newsletter #404 Recap✨ | node fingerprintingpublic fraud proof+5 | Daniela BrozzoniNaiyoma+1 | Bitcoin CoreEclair+4 | — | Bitcoinnode fingerprinting+6 | — | 1h 08m 01s | |
| 5/6/26 | ![]() Bitcoin Optech: Newsletter #403 Recap✨ | post-quantum walletsBIP proposals+4 | Olaoluwa Osuntokun | Bitcoin OptechCore Lightning+4 | — | BitcoinOptech+6 | — | 1h 12m 30s | |
| 5/1/26 | ![]() Bitcoin Optech: Newsletter #402 Recap✨ | Bitcoin consensus rulesLightning Network+4 | Toby Sharp | Bitcoin Stack ExchangeBitcoin Core+4 | — | BitcoinLightning Network+6 | — | 1h 19m 51s | |
| 4/22/26 | ![]() Bitcoin Optech: Newsletter #401 Recap✨ | BitcoinLightning Network+5 | Remix7531Luis Schwab | ColdcardFrigate+9 | — | MuSig2Lightning Network+5 | — | 1h 12m 47s | |
| 4/14/26 | ![]() Bitcoin Optech: Newsletter #400 Recap✨ | Bitcoin CoreNewsletter Recap+3 | Julian Moik | Bitcoin CoreEclair+3 | — | BitcoinOptech+7 | — | 55m 26s | |
| 4/7/26 | ![]() Bitcoin Optech: Newsletter #399 Recap✨ | wallet fingerprinting risksBIP for wallet backup metadata+5 | Gustavo Flores EchaizArmin Sabouri+1 | PythConduition+6 | — | wallet fingerprintingBIP+5 | — | 1h 42m 38s | |
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| 3/31/26 | ![]() Bitcoin Optech: Newsletter #398 Recap✨ | Bitcoin newsBitcoin Stack Exchange Q&A+5 | Dusty Daemon | Bitcoin Core 28.4Core Lightning 26.04rc1+12 | — | BitcoinNewsletter #398+5 | — | 51m 50s | |
| 3/24/26 | ![]() Bitcoin Optech: Newsletter #397 Recap✨ | Bitcoin updatesLightning Network+4 | Matt CoralloGregory Sanders+1 | Cake WalletSparrow+10 | — | BitcoinLightning support+8 | — | 1h 29m 47s | |
| 3/17/26 | ![]() Bitcoin Optech: Newsletter #396 Recap✨ | Bitcoin ScriptGossip Observer+5 | Jonathan Harvey-Buschel | BDK wallet 3.0.0-rc.1Bitcoin Optech+10 | — | BitcoinGossip Observer+7 | — | 49m 36s | |
| 3/11/26 | ![]() Bitcoin Optech: Newsletter #395 Recap✨ | BitcoinNewsletter Recap+5 | Gustavo Flores EchaizJon McAlpine+3 | Bitcoin CoreEclair+4 | — | BitcoinVTXO+5 | — | 2h 07m 42s | |
| 3/3/26 | ![]() Bitcoin Optech: Newsletter #394 Recap✨ | Bitcoin newsBIP discussions+3 | Craig RawFabian Jahr | Bitcoin Stack ExchangeBitcoin Core+5 | — | BitcoinBIP324+5 | — | 1h 03m 50s | |
| 2/24/26 | ![]() Bitcoin Optech: Newsletter #393 Recap✨ | Bitcoin newsSoftware updates+4 | Misha KomarovErik De Smedt+1 | BTCPay ServerLND+6 | — | BitcoinOP_RETURN+7 | — | 1h 31m 15s | |
| 2/24/26 | ![]() Bitcoin Optech: Newsletter #392 Recap✨ | Bitcoin newsNewsletter recap+3 | Sebastian FalbesonerOleksandr Kurbatov | Bitcoin CoreLDK+5 | — | Bitcoin OptechNewsletter #392+3 | — | 1h 32m 29s | |
| 9/16/25 | ![]() Bitcoin Optech: Newsletter #371 Recap | Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Bastien Teinturier to discuss Newsletter #370.News● Provable Cryptography Workbook (0:48) Releases and release candidates● Bitcoin Core 29.1 (10:48) ● Eclair v0.13.0 (11:17) ● Bitcoin Core 30.0rc1 (25:27) Notable code and documentation changes● Bitcoin Core #30469 (33:18) ● Eclair #3163 (33:18) ● Eclair #2308 (40:27) ● Eclair #3021 (45:18) ● Eclair #3142 (48:08) ● LDK #4053 (50:30) ● LDK #3886 (58:12) | — | ||||||
| 9/10/25 | ![]() Bitcoin Optech: Newsletter #370 Recap | Mark “Murch” Erhardt and Mike Schmidt are joined by Russell O’Connor, Olaoluwa Osuntokun, and Jeremy Rubin to discuss Newsletter #370.Changing consensus● Details about the design of Simplicity (37:56) ● Draft BIP for adding elliptic curve operations to tapscript (1:52) ● Draft BIP for OP_TWEAKADD (19:23) Releases and release candidates● Core Lightning v25.09 (59:40) ● Bitcoin Core 29.1rc2 (1:00:24) Notable code and documentation changes● LDK #3726 (1:00:55) ● LDK #4019 (1:02:24) ● LND #9455 (1:03:09) ● LND #10103 (1:04:00) ● HWI #795 (1:05:20) | — | ||||||
| 9/8/25 | ![]() Bitcoin Optech: Newsletter #368 Recap | Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #368.News● Draft BIP for block template sharing (0:30) ● Trusted delegation of script evaluation (28:07) Changes to services and client software● ZEUS v0.11.3 released (33:07) ● Rust Utreexo resources (33:25) ● Peer-observer tooling and call to action (34:11) ● Bitcoin Core Kernel-based node announced (37:22) ● SimplicityHL released (38:23) ● LSP plugin for BTCPay Server (39:17) ● Proto mining hardware and software announced (39:42) ● Oracle resolution demo using CSFS (40:46) ● Relai adds taproot support (41:11) Releases and release candidates● LND v0.19.3-beta (43:09) ● Bitcoin Core 29.1rc1 (43:29) ● Core Lightning v25.09rc2 (43:55) Notable code and documentation changes● Bitcoin Core #32896 (44:33) ● Bitcoin Core #33106 (46:57) ● Core Lightning #8467 (1:02:49) ● Core Lightning #8354 (1:03:26) ● Eclair #3103 (1:04:07) ● Eclair #3134 (1:04:43) ● LDK #3897 (1:05:56) | — | ||||||
| 9/2/25 | ![]() Bitcoin Optech: Newsletter #369 Recap | Mark “Murch” Erhardt and Mike Schmidt are joined by Bruno Garcia and Liam Eagen to discuss Newsletter #369.News● Update on differential fuzzing of Bitcoin and LN implementations (24:56) ● Garbled locks for accountable computing contracts (0:58) Selected Q&A from Bitcoin Stack Exchange● Is it possible to recover a private key from an aggregate public key under strong assumptions? (39:45) ● Are all taproot addresses vulnerable to quantum computing? (41:24) ● Why cant we set the chainstate obfuscation key? (45:20) ● Is it possible to revoke a spending branch after a block height? (52:09) ● Configure Bitcoin Core to use onion nodes in addition to IPv4 and IPv6 nodes? (53:45) Releases and release candidates● Bitcoin Core 29.1rc2 (54:22) ● Core Lightning v25.09rc4 (56:45) Notable code and documentation changes● Bitcoin Core #31802 (57:37) ● LDK #3979 (1:04:46) ● LND #10102 (1:06:19) ● Rust Bitcoin #4907 (1:07:04) | — | ||||||
| 8/19/25 | ![]() Bitcoin Optech: Newsletter #367 Recap | Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #367.Releases and release candidates● LND v0.19.3-beta.rc1 (0:19) ● Bitcoin Core 29.1rc1 (0:46) Notable code and documentation changes● Bitcoin Core #33050 (2:38) ● Bitcoin Core #32473 (11:04)● Bitcoin Core #33077 (17:57) ● Core Lightning #8389 (22:03) | — | ||||||
| 8/13/25 | ![]() Bitcoin Optech: Newsletter #366 Recap | Gloria Zhao and Mike Schmidt are joined by Tadge Dryja and Anthony Towns to discuss Newsletter #366.News● Draft BIPs proposed for Utreexo (1:03) ● Continued discussion about lowering the minimum relay feerate (23:43) ● Peer block template sharing to mitigate problems with divergent mempool policies (52:27) Bitcoin Core PR Review Club● Add exportwatchonlywallet RPC to export a watchonly version of a wallet (1:11:41)Optech recommends (1:15:50) Releases and release candidates● LND v0.19.3-beta.rc1 (1:17:04) ● BTCPay Server 2.2.0 (1:17:44) ● Bitcoin Core 29.1rc1 (1:18:13) Notable code and documentation changes● Bitcoin Core #32941 (1:21:11) ● Bitcoin Core #31385 (1:24:06) ● Bitcoin Core #31244 (1:26:38) ● Bitcoin Core #30635 (1:29:54) ● Bitcoin Core #28944 (1:32:29) ● Eclair #3133 (1:35:08) ● LND #10097 (1:36:23) ● LND #9625 (1:38:12) ● Rust Bitcoin #4730 (1:38:43) ● BLIPs #55 (1:40:57) Correction (1:42:03) | — | ||||||
| 8/6/25 | ![]() Bitcoin Optech: Newsletter #365 Recap | Mark “Murch” Erhardt and Mike Schmidt are joined by David Gumberg, Lauren Shareshian, Jameson Lopp, Steven Roose, and Tim Ruffing to discuss Newsletter #365.News● Testing compact block prefilling (1:13:00) ● Mempool-based fee estimation library (1:33:53) Changing consensus● Migration from quantum-vulnerable outputs (49:17) ● Taproot-native `OP_TEMPLATEHASH` proposal (1:13) ● Proposal to allow longer relative timelocks (12:57) ● Security against quantum computers with taproot as a commitment scheme (23:48) Releases and release candidates● Bitcoin Core 29.1rc1 (1:46:55) Notable code and documentation changes● Bitcoin Core #29954 (1:48:12) ● Bitcoin Core #33004 (1:49:13) ● LDK #3246 (1:52:37) ● LDK #3892 (1:53:35) ● LDK #3662 (1:54:31) | — | ||||||
| 7/31/25 | ![]() Bitcoin Optech: Newsletter #364 Recap | Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse and Jesse Posner to discuss Newsletter #364.News● LND gossip filter DoS vulnerability (0:53) ● Chain code withholding for multisig scripts (15:16) ● Research indicates common Bitcoin primitives are compatible with quantum-resistant signature algorithms (38:46) Selected Q&A from Bitcoin Stack Exchange● How does Bitcoin Core handle reorgs larger than 10 blocks? (57:36) ● Advantages of a signing device over an encrypted drive? (1:01:29) ● Spending a taproot output through the keypath and scriptpath? (1:03:21) Releases and release candidates● Libsecp256k1 v0.7.0 (1:04:26) Notable code and documentation changes● Bitcoin Core #32521 (1:05:16) ● Bitcoin Core #31829 (1:15:00) ● LDK #3801 (1:19:51) ● LDK #3842 (1:21:11) ● BIPs #1890 (1:21:57) ● BOLTs #1232 (1:23:53) | — | ||||||
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Chart Positions
13 placements across 13 markets.
Chart Positions
13 placements across 13 markets.
