# S17 E18: Dr. K (Karl Kreder) on Quai & Scaling Proof of Work

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Text version: https://stenobird.com/podcast/bitcoin-takeover-podcast-724392/s17-e18-dr-k-karl-kreder-on-quai-scaling-proof-of-work.md
Podcast: [Bitcoin Takeover Podcast](https://stenobird.com/podcast/bitcoin-takeover-podcast-724392)
Published: 2026-04-12T14:05:00+00:00
Episode link: https://bitcoin-takeover.com/audio/?name=2026-04-12_s17_e18_dr._k_karl_kreder_on_quai_scaling_proof_of_work.mp3
Audio file: https://bitcoin-takeover.com/audio/media/2026-04-12_s17_e18_dr._k_karl_kreder_on_quai_scaling_proof_of_work.mp3
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JSON: https://stenobird.com/v1/public/podcasts/bitcoin-takeover-podcast-724392/episodes/s17-e18-dr-k-karl-kreder-on-quai-scaling-proof-of-work
Duration seconds: 13607

## Resource

Karl Kreder, better known as Dr. K, is the architect of the Quai network: a layered blockchain stack which maximizes the power of proof of work to enable high transaction throughput. Similar in design with Peter Todd's idea of Tree Chains, Quai finds itself at the bleeding edge of cryptocurrency research: and might one day help scale Bitcoin too. Recently, Quai got listed on Kraken and appears to be gaining momentum. But the road to mainstream adoption and replacing banks is still long... Time stamps: 00:01:05 – Vlad introduces Dr. K, sponsors, and announces a Zcash giveaway. 00:02:36 – Quai’s recent Kraken listing and its unique proof-of-work scaling approach. 00:03:03 – Vlad and Dr. K demonstrate sending and receiving Quai using the Blip Pay wallet to showcase the user experience. 00:10:06 – Dr. K explains Quai’s block times, statistical and economic finality, and how its security compares to Bitcoin. 00:14:48 – Comparing Kaspa’s approach and block sampling to Quai’s work-sharing model 00:17:29 – Dr. K details how tokens are issued on Quai, merge mining with other chains, and the SOAP protocol. 00:20:43 – Why miners would mine Kwai, market equilibrium, and the concept of emissions neutrality. 00:22:55 – How Quai’s merge mining differs from Monero’s Qubic and its impact on other blockchain security models. 00:24:28 – The potential for other blockchains to migrate assets to Quai and the broader implications for Bitcoin. 00:28:20 – Gavin Andresen’s article, the possibility of Bitcoin migration, and network incentive structures. 00:32:01 – How SOAP forces proof-of-work chains to compete on utility and efficiency in the market. 00:35:04 – Dr. K argues that proof-of-stake is unsuitable for money, using geopolitical examples to support his case. 00:38:11 – Quai’s premine, c…

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