I make software. I look around me.
keeshux on the Internet. Inspiring and leading by example:
- Passepartout, a VPN client and networking framework used on millions of Apple devices on a daily basis
- Cross-platform Swift, my journey to port a complex Swift library to Windows, Android, and Linux (ongoing)
- Basic Blockchain Programming, a series about Bitcoin programming (2015)
- Word Fill, my first profitable app based on my thesis on crosswords (2011)
Have a look at my printable résumé.
Blog
-
Cross-platform Swift: Combine
Apr 23, 2025
-
Cross-platform Swift: Introduction
Apr 13, 2025
-
Who cares about performance?
Mar 25, 2025
-
Frontend development is easy
Mar 19, 2025
-
Rewriting Passepartout for v3
Mar 11, 2025
-
Deploying to the App Store: The cost you didn't expect
Mar 03, 2025
-
The path to an obscure crash
Mar 02, 2025
-
Wallet software
Jun 23, 2015
-
The first transaction (pt. 2)
Jun 03, 2015
-
The first transaction (pt. 1)
Jun 03, 2015
-
Inside transactions
Jun 01, 2015
-
Standard scripts
May 29, 2015
-
The Bitcoin Script language (pt. 2)
May 25, 2015
-
The Bitcoin Script language (pt. 1)
May 25, 2015
-
Scripts in transaction processing
May 15, 2015
-
Network interoperability (pt. 2)
May 14, 2015
-
Network interoperability (pt. 1)
May 14, 2015
-
Elliptic-curve digital signatures
May 13, 2015
-
Elliptic-curve keys
May 12, 2015
-
Keys as property
May 11, 2015
-
Serialization (pt. 2)
May 01, 2015
-
Serialization (pt. 1)
May 01, 2015
-
Bytes and hashes
Apr 25, 2015
-
A developer-oriented series about Bitcoin
Apr 24, 2015