Quick Links for Friday, April 28

I just finished Simon Singh’s The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography” (✭✭✭✭✫) [amazon.com]

I’m not sure when this became available, but you can now use custom domains with the Ethereum Name Service (think DNS, but for ethereum wallet addresses, etc.), including subdomains off that domain. So, something like wallet.polymath.net, instead of jblanton.eth. Pretty cool, and yet another reason everyone should own their own domain. [ens.domains]

This guy made a bicycle with square wheels, and it’s fucking amazing. [youtube.com]

25 questions you need to ask yourself now that ChatGPT is here. This isn’t a terrible list. [wsj.com]

The Nostalgia Machine lets you pick a year and then shows you a grid of the most popular songs for that year, each playable. The data is based off Billboard's year-end hot singles charts.