Skip to content
S17 E17: Lukas Hozda on BIP110, Bitcoin & Rust episode artwork

Apr 7, 2026 1 hr 38 min

S17 E17: Lukas Hozda on BIP110, Bitcoin & Rust

from Bitcoin Takeover Podcast Hosted by Vlad Costea

Lukas Hozda is the incumbent genius at Braiins mining: the Jack of all trades who's been with the company since he finished high school and can get assigned to any project. He wrote "Programming Bitcoin in Rust" and lately he's scrutinized BIP110. Time stamps: 00:00:46 – Introducing Lukas Hosoda, author and Rust developer at Braiins 00:03:08 – Discovering Bitcoin at age 12 and mining 00:07:04 – Career at Braiins 00:09:43 – Braiins Office Mining & ASICs 00:13:01 – Braiins Mini Miner (BMM101) 00:15:16 – Drivechains & Sidechains 00:17:49 – Bitcoin News & Braiins Blog 00:19:01 – Braiins HashPower Product 00:21:39 – Mining Decentralization 00:22:51 – Cake Wallet & Zcash Giveaway 00:24:01 – Terraria Plugin Development 00:27:44 – SideShift & Swapping 00:31:11 – Breadwallet & Node Mapping 00:33:38 – Joining Braiins as a Rust Programmer 00:36:06 – Writing the Book "Building Bitcoin in Rust" 00:39:43 – BIP 110/444 Research 00:40:55 – How Bitcoin's Gossip Network Works 00:44:31 – Mempool & Private Transactions 00:45:54 – Marathon Slipstream . 00:47:10 – History of OP_RETURN & Arbitrary Data on Bitcoin 00:51:19 – Spam, Transaction Fees & Block Size 00:55:18 – UTXO Set Growth 00:57:50 – ZK Proofs & Ethereum 00:58:44 – Nostr Community's Emotional Approach to Bitcoin 00:59:28 – Filtering Challenges 01:01:38 – Ordinal Inscriptions & Developer Response 01:02:54 – Mining Pools & Incentives 01:05:31 – Block Subsidy & Layer 2s 01:07:31 – User Growth, Adoption & Institutions 01:11:09 – BIP 444/110 Analysis 01:15:27 – Data Limits & Programming 01:19:09 – Forks & Market Reactions 01:22:58 – Bitcoin’s Core Values 01:25:49 – Node Running Legal Risks & Institutions 01:29:00 – Giveaway & Closing 01:31:26 – Recurring Bitcoin Debates 01:35:06 – Toxicity in Debates 01:36:35 – Epstein Files & Final Thoughts

Episode details come from the podcast's RSS feed.

Embed this episode

What this episode covers

Lukas Hozda is the incumbent genius at Braiins mining: the Jack of all trades who's been with the company since he finished high school and can get assigned to any project. He wrote "Programming Bitcoin in Rust" and lately he's scrutinized BIP110.

Ready to play

S17 E17: Lukas Hozda on BIP110, Bitcoin & Rust

0:00 1:38:38

Chapters

  1. 1:08 Intro: live from the Braiins office in Prague
  2. 1:22 Building Bitcoin in Rust: the biggest Braiins book
  3. 1:47 Five years at Braiins, hired straight out of high school
  4. 2:31 Split keyboards, Emacs & Arno’s Engram
  5. 3:46 The hook: Lukas’s BIP 110 research
  6. 4:25 Discovering Bitcoin at 12 via a Czech PC magazine
  7. 5:49 Mining on Slush Pool & baking the family computer
  8. 6:19 The lost 2013 magazine article
  9. 8:03 From teenage miner to jack of all trades
  10. 10:20 Where did the office miners go?
  11. 11:19 The ASIC sauna & the Between Two ASICs podcast
  12. 12:15 The hardware department & the drill problem
  13. 13:56 BMM101: repurposed chips, probably S19s
  14. 14:44 Mini miner vs Bitaxe
  15. 15:33 40 watts: less heat than a tea candle
  16. 16:02 Why Lukas likes drivechains
  17. 17:42 LayerTwo Labs: drivechains on signet
  18. 18:04 Bitcoin news from memes & Twitter
  19. 18:36 Bitcoin.com News plug
  20. 20:06 The Braiins newsletter
  21. 20:24 Braiins Hashpower: exceeding all expectations
  22. 21:05 Two blocks found: solo pool & Parasite pool
  23. 22:18 Renting hashrate vs decentralizing mining
  24. 23:03 Better odds than the actual lottery
  25. 23:31 Cake Wallet giveaway: 1 ZEC live on air
  26. 24:24 Terraria plugins & naming disasters
  27. 26:47 Crowdsourcing a Nick Szabo interview
  28. 27:12 RIP Skype, Ventrilo & TeamSpeak marriage proposals
  29. 29:05 SideShift plug
  30. 29:58 ZEC arrives; SideShift dropped Zcash & Monero
  31. 31:19 Cake Wallet etymology: a Breadwallet fork
  32. 32:29 The fake node experiment: mapping the network
  33. 33:37 Breadwallets in the wild; Core & Knots dominate
  34. 34:17 COVID, LinkedIn & the closest job ad
  35. 35:06 The full-remote clause, five minutes from the office
  36. 35:47 Caretaker for his grandmother
  37. 36:23 A 100% job interview success rate
  38. 37:00 The book: rebuild the whitepaper in Rust
  39. 37:54 JBOK: just a bunch of keys wallets
  40. 38:59 Where to buy the book
  41. 39:25 MS Paint animals & the humble frog
  42. 40:46 BIP 110 research begins
  43. 41:15 Credit to Habovštiak, who went deeper
  44. 41:28 Gossip networks & the futility of mempool filtering
  45. 42:39 The sub-1 sat/vbyte summer precedent
  46. 43:30 One node relaying to one miner is enough
  47. 43:57 Filters don’t remove data from blocks
  48. 44:16 Super Testnet’s bandwidth argument & inventory messages
  49. 45:17 Private transactions would obscure the fee market
  50. 46:25 Marathon’s Slipstream; does Braiins have one?
  51. 47:27 The OP_RETURN default misunderstanding
  52. 48:01 BitMEX Research & the forgotten 1MB limit
  53. 49:13 You cannot ban steganography
  54. 50:24 Public keys vs arbitrary data: indistinguishable
  55. 51:18 Crippling multisigs & CoinJoins by accident
  56. 51:47 Encrypted data in the UTXO set
  57. 52:11 The real spam filter: fees & the block size limit
  58. 52:48 The communist framing: concern without payment
  59. 53:31 The “terabytes a year” fear is bad math
  60. 54:03 SegWit assumed full blocks
  61. 54:35 Unpopular opinion: bigger blocks would not destroy us
  62. 54:52 The Uncle Jim meme: custodial scaling
  63. 55:21 The UTXO set doesn’t live in RAM: LevelDB
  64. 56:04 Hot & cold UTXOs
  65. 57:04 Utreexo: kilobytes of state, scaling fixed forever
  66. 57:48 ZK proofs & syncing a node in seconds
  67. 58:56 The Knots camp: pure at heart, wrong on the tech
  68. 59:54 Whack-a-mole, Minecraft’s redstone bug & anti-cheat
  69. 1:01:59 Poelstra’s 2022 verdict on inscriptions
  70. 1:02:52 The CVE & the filtering pool’s fee paradox
  71. 1:03:38 Pools serve miners, miners serve profit
  72. 1:05:05 Hashprice reality: razor-thin margins
  73. 1:06:02 Halving 2024: when fees beat the subsidy
  74. 1:06:31 Satoshi’s incentive chapter remains unproven
  75. 1:07:14 L2s don’t pay miners; the Rootstock exception
  76. 1:07:52 Price go up: the real security model so far
  77. 1:08:32 Institutions arrived, new users did not
  78. 1:09:05 Fortnite skins & the AI agents opium
  79. 1:09:50 Hozda means Forest Guy; the Damages Car
  80. 1:12:20 BIP 444/110: the temporary stopgap framing
  81. 1:12:59 The toned-down legal threats
  82. 1:13:46 Manufacturing urgency, foot in the door
  83. 1:14:47 The CSAM argument & the 256-byte limit
  84. 1:15:48 MS-DOS graphics & the 300-byte image fallacy
  85. 1:16:34 The data contiguity fallacy: everything is decoded
  86. 1:18:14 Habovštiak’s calculator: alternatives barely cost more
  87. 1:18:37 Incentivizing the most harmful embedding methods
  88. 1:19:13 Let them fork: the market’s cold shower
  89. 1:20:16 Miners follow profit; the permissive chain’s head start
  90. 1:20:47 The SegWit2X precedent
  91. 1:22:07 Whoever keeps the name Bitcoin wins
  92. 1:23:15 Karpeles & the 79,956 BTC hard fork proposal
  93. 1:24:26 The slippery slope for censorship resistance
  94. 1:25:30 “It’s stored on my node”: prune it
  95. 1:26:45 Lobby for safe harbor instead
  96. 1:27:32 They’re not files, they’re not JPEGs
  97. 1:28:00 Cypherpunks who care what politicians say
  98. 1:29:11 The worst kind of mainstream adoption
  99. 1:29:55 The giveaway: a signed copy of the book
  100. 1:31:07 The challenge: post your favorite quote
  101. 1:32:00 Wikileaks cables, Bible verses & the juicy burger
  102. 1:33:56 Cyclical topics: quantum computing returns (BIP 360)
  103. 1:34:52 Block size & the 21M cap will be back too
  104. 1:35:34 Why retesting old decisions is healthy
  105. 1:36:04 Toxicity: Christian got called ugly
  106. 1:37:28 The Andy Back meme & the Epstein files
  107. 1:38:36 “Let’s not mess up Bitcoin”: closing

No transcript yet.

Requests help us decide what to transcribe next.

Share this episode

Similar episodes

REMIX: 23 dehoarding tasks you can get done in a weekend

Aug 22, 2025 49 min

Similar podcasts

The Course Mentors Podcast The Course Mentors Hey there, future course creator! Ever feel like turning your know-how into an online course is like trying to solve a Rubik's cube blindfolded? Well, grab your headphones because "The Course Mentors Podcast" is here to be your secret weapon! Meet Aimee and Odette (that's us!), your new best friends in the course creation world. We've been in the trenches for over a decade, and for the last five years, we've been rocking the online course space. Now we're here to spill all our secrets in bite-sized, 15-20 minute episodes that'll fit perfectly in your coffee breaks. No fluff, no filler - just real, actionable advice that'll take you from "um, what's a landing page?" to "holy moly, I just hit six figures!". We're talking everything from crafting your course to marketing it like a pro and building a business that'll have you pinching yourself. Whether you're dreaming of ditching the 9-to-5 grind, adding a sweet extra income str

Frequently asked questions

How long is this episode of Bitcoin Takeover Podcast?

This episode is 1 hour and 38 minutes long.

When was this Bitcoin Takeover Podcast episode published?

This episode was published on April 7, 2026.

Can I download this Bitcoin Takeover Podcast episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.