top 10 hacker news stories for 2021-06-22

A from-scratch tour of Bitcoin in Python

https://karpathy.github.io/2021/06/21/blockchain/

4 years ago

1208 upvotes – 277 comments

Brave Search beta

https://search.brave.com/

4 years ago

845 upvotes – 659 comments

Your CPU may have slowed down on Wednesday

https://travisdowns.github.io/blog/2021/06/17/rip-zero-opt.html

4 years ago

735 upvotes – 469 comments

What's Inside the EU Green Pass QR Code?

https://gir.st/blog/greenpass.html

4 years ago

673 upvotes – 532 comments

Ask HN: Feeling guilty for doing the bare minimum at work

https://news.ycombinator.com/item?id=27593462

4 years ago

563 upvotes – 398 comments

The Most Dangerous Censorship

https://edwardsnowden.substack.com/p/on-censorship-pt-1

4 years ago

448 upvotes – 511 comments

Hyundai acquires controlling stake in Boston Dynamics for $880M

https://finbold.com/hyundai-acquires-controlling-stake-in-u-s-robotics-firm-boston-dynamics-for-880-million/

4 years ago

412 upvotes – 142 comments

What is ranked-choice voting and why is New York using it?

https://www.npr.org/2021/06/22/1008807504/ranked-choice-voting-new-york-city-mayors-race

4 years ago

373 upvotes – 463 comments

Show HN: I made a new kind of Bible app

https://sparkbible.com

4 years ago

347 upvotes – 253 comments

Tour of the server room in the Airbus 350

https://www.youtube.com/watch?v=241-5DZyons

4 years ago

317 upvotes – 182 comments
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