S17 E18: Dr. K (Karl Kreder) on Quai & Scaling Proof of Work
From Bitcoin Takeover Podcast by Vlad Costea
April 12, 2026 · 3h 47m · Season 17 · Episode 18
About this episode
Dr. K discusses the Quai network and its potential impact on scaling proof of work in cryptocurrency.
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…
People in this episode
Host: Vlad Costea
Guest: Karl Kreder
Topics covered
- Quai network
- proof of work
- blockchain
- cryptocurrency
- transaction throughput
- mainstream adoption
Keywords
- Quai
- proof of work
- blockchain
- Kraken
- transaction throughput
- merge mining
- Bitcoin
- Zcash
- Monero
- Kaspa
Mentioned in this episode
Organizations: Quai, Kraken, Zcash, Monero, Kaspa, SOAP
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