Work in progress: 181,232 of 181,233 sites checked so far, more every week · updated 2 Nov 2026Missing a blog? Tell us

Top all-time · #21067

S

Sebastian Rollén

Personal blog · rollen.io/blogprogrammingwebpolitics

Sebastian Rollén writes Sebastian Rollen, a personal blog at rollen.io about programming, web and politics. Since 2022, 3 different Hacker News readers have linked it 8 times, most often “Rendering Markdown Views in Rails”. It is still writing: the last post was on 2026-02-17, and you can follow it by feed.

Visit the blog
8mentions?
3HN people?
2022–2026first – last linked?
Links on Hacker News per year · peak 4 in 2023

Too few sampled comments (1) to say how often HN recommends it.?

Why HN links it

Linked in a thread on the climate impact of cryptocurrencies. The one comment here objects to the post's title as clickbait for covering only proof-of-work coins.

Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Most-linked posts?

  1. Rendering Markdown Views in Rails
    2 people · 2 mentions · first linked 2023-01-31

What Hacker News says?

  1. The title should be: 'Proof-of-work cryptocurrencies are worse for the climate than you think' . The author knows it as described in the footnote [0], but why not put in some clickbait anyway and hide the fact that the study they linked to are related to all PoW cryptocurrencies [1]. Not all cryptocurrencies are PoW like Bitcoin. XRP, Cardano, Solana, Polkadot, Stellar and Algorand to name a few with over $1B market…

    Comment linking /blog/crypto-climate/

    on “Cryptocurrencies are worse for the climate than you think”
  2. Submitted Cryptocurrencies are worse for the climate than you think as a story · 78 points

    HN discussion
  3. About 1,200 kWh per transaction, currently[0]. I wrote about this back in 2022, when it was about 2,200 kWh per transaction[1]. Edit: made a chart with this data, but adding in a bitcoin transaction[2] [0]: https://digiconomist.net/bitcoin-energy-consumption [1]: https://rollen.io/blog/crypto-climate/ [2]: https://imgur.com/a/ggAGylW

    Comment linking /blog/crypto-climate/

    on “Does that use a lot of energy?”
  4. Submitted Rendering Markdown Views in Rails as a story · 6 points

    HN discussion
  5. Submitted Rendering Markdown Views in Rails as a story · 1 points

    HN discussion
  6. Submitted The views expressed on this blog are not my own as a story · 1 points

    HN discussion
  7. Submitted A Declaration of Digital Independence as a story · 1 points

    HN discussion
  8. Submitted Some useful Git one-liners as a story · 1 points

    HN discussion

Search all of HN for rollen.io