Best of 2021

The blog posts Hacker News loved most in 2021. 5,820 posts.

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3055

An NFT without a blockchain

This is a small proof-of-concept. It relies on PGP - but you could use Keybase, GPG, or any other hard-to-use encryption program. Background Suppose you want to support an artist and give them money. That's easy. Most artists take PayPal, bank transfer, or cash. But how can you prove that you've paid an artist for a…

3060

Crystal 1.2.0

We are delivering a new release with several bugfixes and improvements. Below we list the most important or interesting changes, without mentioning the several bugfixes. For details visit the release’s notes. Breaking changes are marked with ⚠️.