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FracturedJson

https://github.com/j-brooke/FracturedJson/wiki
248•PretzelFisch•3h ago•60 comments

10 years of personal finances in plain text files

https://sgoel.dev/posts/10-years-of-personal-finances-in-plain-text-files/
244•wrxd•5h ago•95 comments

Ask HN: Who is hiring? (January 2026)

13•whoishiring•25m ago•8 comments

39th Chaos Communication Congress Videos

https://media.ccc.de/b/congress/2025
192•Jommi•3h ago•20 comments

Standard Ebooks: Public Domain Day 2026 in Literature

https://standardebooks.org/blog/public-domain-day-2026
218•WithinReason•7h ago•40 comments

Assorted less(1) tips

https://blog.thechases.com/posts/assorted-less-tips/
57•todsacerdoti•3h ago•13 comments

HPV vaccination reduces oncogenic HPV16/18 prevalence from 16% to <1% in Denmark

https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2025.30.27.2400820
271•stared•6h ago•131 comments

What You Need to Know Before Touching a Video File

https://gist.github.com/arch1t3cht/b5b9552633567fa7658deee5aec60453/
93•qbow883•5d ago•54 comments

Show HN: Dealta – A game-theoretic decentralized trading protocol

https://github.com/orgs/Dealta-Foundation/repositories
32•kalenvale•3h ago•10 comments

Why users cannot create Issues directly

https://github.com/ghostty-org/ghostty/issues/3558
571•xpe•15h ago•202 comments

Happy Public Domain Day 2026

https://publicdomainreview.org/blog/2026/01/public-domain-day-2026/
367•apetresc•14h ago•71 comments

A small collection of text-only websites

https://shkspr.mobi/blog/2025/12/a-small-collection-of-text-only-websites/
43•danielfalbo•5h ago•17 comments

A website to destroy all websites

https://henry.codes/writing/a-website-to-destroy-all-websites/
654•g0xA52A2A•19h ago•332 comments

Matz 2/2: The trajectory of Ruby's growth, Open-Source Software today etc.

https://en.kaigaiiju.ch/episodes/matz2
72•kibitan•6d ago•31 comments

Parental Controls Aren't for Parents

https://beasthacker.com/til/parental-controls-arent-for-parents.html
144•beasthacker•2h ago•120 comments

Show HN: Jsonic – Python JSON serialization that works

https://medium.com/dev-genius/jsonic-python-serialization-that-just-works-3b38d07c426d
16•orrbenyamini•6d ago•5 comments

Can I throw a C++ exception from a structured exception?

https://devblogs.microsoft.com/oldnewthing/20170728-00/?p=96706
40•birdculture•4d ago•9 comments

Show HN: I built a clipboard tool to strip/keep specific formatting like Italics

https://custompaste.com
18•EvaWorld9•4h ago•8 comments

Show HN: OfferGridAI – side-by-side comparison of real estate offers from PDFs

https://offergridai.com
20•beechwood•2h ago•22 comments

FreeBSD: Home NAS, part 1 – configuring ZFS mirror (RAID1)

https://rtfm.co.ua/en/freebsd-home-nas-part-1-configuring-zfs-mirror-raid1/
97•todsacerdoti•9h ago•17 comments

The Netflix Simian Army (2011)

https://netflixtechblog.com/the-netflix-simian-army-16e57fbab116
10•rognjen•2h ago•8 comments

Cameras and Lenses (2020)

https://ciechanow.ski/cameras-and-lenses/
476•sebg•23h ago•53 comments

IPv6 just turned 30 and still hasn't taken over the world

https://www.theregister.com/2025/12/31/ipv6_at_30/
21•Brajeshwar•1h ago•13 comments

Can Bundler be as fast as uv?

https://tenderlovemaking.com/2025/12/29/can-bundler-be-as-fast-as-uv/
306•ibobev•18h ago•93 comments

One Number I Trust: Plain-Text Accounting for a Multi-Currency Household

https://lalitm.com/post/one-number-i-trust/
85•ayi•6h ago•58 comments

Joseph Campbell Meets George Lucas – Part I (2015)

https://www.starwars.com/news/mythic-discovery-within-the-inner-reaches-of-outer-space-joseph-cam...
32•indigodaddy•1d ago•11 comments

Contact the ISS

https://www.ariss.org/contact-the-iss.html
76•logikblok•5d ago•21 comments

Marmot – A distributed SQLite server with MySQL wire compatible interface

https://github.com/maxpert/marmot
148•zX41ZdbW•14h ago•29 comments

Linux is good now

https://www.pcgamer.com/software/linux/im-brave-enough-to-say-it-linux-is-good-now-and-if-you-wan...
978•Vinnl•19h ago•794 comments

BYD Sells 4.6M Vehicles in 2025, Meets Revised Sales Goal

https://www.bloomberg.com/news/articles/2026-01-01/byd-sells-4-6-million-vehicles-in-2025-meets-r...
317•toomuchtodo•1d ago•505 comments
Open in hackernews

Show HN: Dealta – A game-theoretic decentralized trading protocol

https://github.com/orgs/Dealta-Foundation/repositories
32•kalenvale•3h ago
I’ve been working on a solution to the "Physical Oracle Problem" (trustless trading of physical goods) and just released the full Alpha implementation.

The Core Thesis: Existing decentralized marketplaces rely on reputation, which inevitably centralizes. Dealta replaces reputation with a Nash Equilibrium-based mechanism. We use staked, pseudo-randomly selected "Brokers" to physically verify goods. The protocol ensures that honesty is the dominant strategy for all actors via strict payoff matrices. It intended use is preferably trading of mid to high value goods. Nobody expecting a computer, want a box full of stones.

What we are releasing: a custom Layer-1 blockchain stack.

Full Node: Implements Hybrid Consensus (PoW + PBFT) for instant finality.

Integrated Wallet: Native key management and transaction construction for the custom trade opcodes.

DB Management: Custom indexing for trade states and dispute evidence.

The system is currently in Alpha. I am looking for feedback on the protocol design, the node architecture and collaborators.

Code needs polishing, which i will do if people like the project. However, the project runs, and a testnet will be launched if people take interest in the project.

Readme files will be updated as well. Currently they provide a simple guide on how to build the project.

Feel free to send an email. It can be found my in profile or in the paper.

Comments

techsystems•2h ago
In 3.1, rejecting (R) fraudulent (F) goods resulting in 0 for the seller is a strong assumption. There are all kinds of possible negatives (typically risks of legal fees) for storage costs of fraudulent goods in the game of hot potato. It might be worth your time to look into the literature a bit more.
kalenvale•1h ago
The paper was aimed at a broader audience, which is why it simplifies some concepts and makes certain assumptions. While there are potential drawbacks to consider, it’s reasonable to assume that a seller of a fraudulent item gains nothing if the item gets rejected. In that scenario, their goal of making money wouldn’t be achieved, and any additional losses wouldn’t significantly impact the protocol. In fact it would deter fraudsters. I'd love to hear more thoughts on this!
mt_•1h ago
https://claude.ai/public/artifacts/0824e5b9-7d75-45f1-87f4-3...

This is now my favorite way to visualize these concepts in practice.

mt_•1h ago
Four critique points:

- Who wants to drive across town to inspect a €50 item for a small fee (we can draw comparison to Uber Eats like platforms fees economies)?

- Can a random broker validate a luxury watch? Do we need another blockchain tech for broker validator skill reputation?

- Physical validation adds days to trades, in online economy, the faster the merrier

- Fees might price out low-value items

Let's see how this plays out.

kalenvale•1h ago
Thanks for the critique! Here’s a breakdown of the points raised:

-Who wants to drive across town to inspect a €50 item? The focus is on mid to high-value, preferably niche items. Lower-value goods often don’t justify the costs involved in driving and the time spent on validation.

-Can a random broker validate a luxury watch? Not all brokers have the necessary expertise to validate every item, especially luxury goods. The proposal is to enhance the current system by assigning brokers based on item categories. This specialization will be particularly effective when there are enough brokers for specific categories, such as watches.

- Physical validation adds days to trades. While physical validation can slow things down, brokers who fail to validate effectively will phase out over time, ensuring that only those with the right expertise remain. It should be economically infeasible to accept assignment, where you have no expertise. This approach aims to streamline the validation process.

-Fees might price out low-value items. Focusing on mid to high-value items helps avoid the issue of fees pricing out lower-value goods.

Additionally, this idea is designed to integrate into existing niches where validation matters significantly, like trading cards, electronics, watches, and sneakers. Numerous businesses already specialize in validating these items and have the necessary expertise to navigate legal requirements.

dleeftink•2m ago
> ensuring that only those with the right expertise remain

How will this ensure waning/gaining expertise is accurately represented/fostered? Wouldn't you rather attract a steady-stream of experts indefinitely?

gergi•1h ago
May I ask how you generated this?
ProofHouse•8m ago
AI but does it matter, no
kikimora•1h ago
Why not build it on top of EVM?
kalenvale•55m ago
I chose to build an L1 for several reasons. One major factor is the desire for fair currency distribution. Additionally, I wanted to ensure instant finality to prevent block reverts during trades.