E66: Danny Diekroeger on Cash App, LDK, and Operating the Deezy LN Node
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Danny Diekroeger is a Bitcoin software engineer at Cash App, and the operator of one of the world’s largest Lightning nodes.

In our conversation, Danny explained how Cash App thinks about building Bitcoin and Lightning features, and the challenges of operating a Bitcoin business at scale. we also discussed Spiral’s Lightning Development Kit and Danny’s strategy for becoming a top Lightning node operator.

→ Deezy Node: https://deezy.io/

→ Danny Diekroeger on Twitter: https://twitter.com/dannydiekroeger

Sponsors

→ Voltage: https://voltage.cloud?utm_source=kevinrooke&utm_medium=Youtube&utm_campaign=1mo

→ ZEBEDEE: https://zeb.gg/rooke

This show is a Lightning podcast. That means instead of asking for likes or shares, I ask for sats.

The best way to show your support is to download Fountain from the App Store, load your wallet with some sats, and send them over the Lightning Network to kerooke@fountain.fm.

→ Fountain: https://www.fountain.fm/

→ More Episodes: https://play.fountain.fm/show/P6XXuSPg6f2rj4ECB0fT

→ Lightning Address: ⚡kerooke@fountain.fm

Links

→ Twitter: https://twitter.com/kerooke

→ Books: https://www.kevinrooke.com/book-recommendations

→ Blog: https://www.kevinrooke.com/blog

Timestamps

00:00 - Intro

02:19 - Danny Diekroeger Intro

07:55 - Why Cash App Integrated Lightning

13:41 - Lightning Adoption at Cash App

23:28 - Lightning Network Payment Success Rate

26:22 - Cash App’s Infrastructure for Building Bitcoin Apps at Scale

43:08 - How Companies Choose Between Lightning Implementations

48:10 - The Evolution of Block’s Business Structure

1:00:57 - Danny’s Journey to Becoming a LN Node Operator

1:09:51 - Reputation on the Lightning Network

1:20:35 - Running a Profitable Lightning Node

1:24:34 - The Lightning Round

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