Building Bitcoin Bridges on Layer 2 w/ Kilian | YBS #133

In this episode, I chat with Kilian, CEO of Boltz, the non-custodial Bitcoin bridge making fast, trust-minimized swaps across Lightning, on-chain, Liquid, and even Rootstock.

If you want a clear, no-nonsense map of Bitcoin layers, and how to ship real products on them, this one’s for you.

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GG on Nostr: https://primal.net/gg
GG on X: https://x.com/YourBTCStory
Juraj on X: https://x.com/kilrau
Juraj on Nostr: https://primal.net/p/nprofile1qqsvruq6rlme6k9ucs9yueql07qvpr0w8eet2thshm3jg745lm0y9tsyejsvd
His website: https://boltz.exchange/

00:00 - Intro
00:39 - What Boltz does?
02:06 - Shanghai to BTC China
07:18 - Crackdowns in China and the exit in 2017
11:13 - From liquidity pain to product: the birth of Boltz
19:04 - How a Boltz swap works
28:30 - Risks, refunds, and the new 12-word “rescue key” flow
32:59 - Auto-refunds in wallets and making failure painless
37:05 - Non-custodial by design
46:03 - On-chain upgrades: CTV, plus BitVM-style bridges beyond federations
49:49 - ARC & Arcade explained
58:38 - Advice to builders: solve real problems, start with a web app  
1:01:12 - Closing Thoughts

Block height: 915146

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