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I built a decentralized crypto exchange from scratch using Solidity and Next.js

1•KrishBaidya•3h ago

I'm a solo dev experimenting with smart contracts and wanted to build a simplified version of Uniswap to understand how decentralized trading really works under the hood.

The DEX is live here: dex-web-krishbaidya.vercel.app GitHub: https://github.com/KrishBaidya/DEX

There are issues, and users might lose money right now - but I’m sharing it to get feedback, not to promote it as production-ready.

Happy to answer any technical questions around Solidity, liquidity pools, front-end integration, or things I screwed up during development.

Nonguix

https://gitlab.com/nonguix/nonguix

1•fluorine•43s ago•0 comments

Why I'm Resigning from the National Science Foundation

https://time.com/7285045/resigning-national-science-foundation-library-congress/

1•jbegley•2m ago•0 comments

Automated Financial Analysis

https://www.youtube.com/watch?v=N-Z262fUuv0

1•Prosaic_Hack•4m ago•1 comments

Montreal is about to unleash one of the toughest Airbnb crackdowns in the world

https://thelogic.co/news/montreal-airbnb-crackdown-short-term-rentals/

1•pseudolus•4m ago•0 comments

Dolla dolla bill, y'all: Reverse engineering a banknote validator

https://something.fromnothing.blog/posts/dolla-dolla-bill-yall/

1•voxadam•7m ago•0 comments

Fuck Digital Minimalism and Every Sanctimonious Blog Post That Comes with It

https://digitallynick.bearblog.dev/fuck-digital-minimalism-and-every-sanctimonious-blog-post-that-comes-with-it/

2•Tomte•7m ago•0 comments

Restoring Control over the Immigration System: Technical Annex [pdf]

https://assets.publishing.service.gov.uk/media/6821b49bdb6463b14cd8189c/restoring-control-over-the-immigration-system-technical-annex.pdf

1•susam•9m ago•0 comments

Fixing Bad Charts: EV Acceleration as a Function of Battery Charge Level

https://conormclaughlin.net/2025/05/fixing-bad-charts-ev-acceleration-as-a-function-of-battery-charge-level/

1•speckx•9m ago•0 comments

Git GPT Commit

https://github.com/laststance/git-gpt-commit

1•ryotamurakami•10m ago•1 comments

Backblaze Drive Stats for Q1 2025

https://www.backblaze.com/blog/backblaze-drive-stats-for-q1-2025/

1•HieronymusBosch•13m ago•0 comments

Why OpenAI Spent $3B on a VS Code Fork

https://www.youtube.com/watch?v=y__FNi7klwM

1•barelythinking•14m ago•0 comments

Bill Gates's vision for the future of the PC, c1980 – er, Xenix (2002)

https://www.theregister.com/2002/03/20/bills_vision_for_the_future/

1•TMWNN•15m ago•0 comments

UK's Marks and Spencer confirms customer data taken in ransomware attack

https://www.reuters.com/business/retail-consumer/uks-ms-says-customer-information-was-taken-cyber-attack-2025-05-13/

3•bit_qntum•15m ago•0 comments

Fastino raises $17.5M to train small AI models on cheap gaming GPUs

https://techcrunch.com/2025/05/07/fastino-trains-ai-models-on-cheap-gaming-gpus-and-just-raised-17-5m-led-by-khosla/

3•byte-bolter•16m ago•0 comments

Yes, Doctors: AI Will Replace You [video]

https://www.youtube.com/watch?v=kALDN4zIBT0

1•DGAP•19m ago•0 comments

Can APIs be beautiful?

https://sideko.dev/empathetic-engineer/can-apis-be-beautiful

1•pmkelly4444•21m ago•0 comments

Ezra Klein and Derek Thompson, Strangers in a Land

https://arcmag.org/ezra-klein-and-derek-thompson-strangers-in-a-strange-land/

1•conanxin•23m ago•0 comments

Show HN: Reaktiv – I built Excel-like reactive programming for Python

https://bui.app/when-frontend-reactivity-meets-backend-python-the-story-of-my-first-1-000-download-library/

1•buibuibui•23m ago•0 comments

MS makes another pitch for React Native in confusing world of Windows desktop

https://devclass.com/2025/05/12/microsoft-makes-another-pitch-for-react-native-in-confusing-world-of-windows-desktop-development/

1•rbanffy•24m ago•0 comments

AMD's Zen 5 Threadripper Pro 9000WX flagship CPUs confirmed in official listing

https://hothardware.com/news/amd-ryzen-threadripper-pro-9000wx-zen-5-cpus-confirmed

3•gray_amps•25m ago•0 comments

DJI is skipping the US with its most advanced drone yet

https://www.theverge.com/tech/665418/dji-mavic-4-pro-no-us-launch-specs-price-release-date

2•RobertTheNerd•27m ago•0 comments

Cape opens beta of its privacy-first mobile plan, inks Proton deal, raises $30M

https://techcrunch.com/2025/03/19/cape-opens-99-month-beta-of-its-privacy-first-mobile-plan-inks-proton-deal-raises-30m/

1•nateb2022•28m ago•0 comments

Linux on 8" Mini Laptop

https://www.zdnet.com/article/i-installed-linux-on-this-8-inch-mini-laptop-and-its-my-new-favorite-way-of-computing/

3•ultramann•28m ago•0 comments

Solid oxide electrolysis cell enables super-dry reforming of methane

https://phys.org/news/2025-04-solid-oxide-electrolysis-cell-enables.html

1•PaulHoule•28m ago•0 comments

Gitlab for Open Source Program Agreement

https://handbook.gitlab.com/handbook/legal/opensource-agreement/

1•lolinder•28m ago•1 comments

One of the Good Ones

https://mssv.net/2025/05/13/one-of-the-good-ones/

1•adrianhon•29m ago•0 comments

TheForger's Win32 API Tutorial

https://winprog.org/tutorial/

2•xeonmc•31m ago•0 comments

We Built a 7-Figure AI Consulting Business in Less Than a Year

https://every.to/p/how-we-built-a-7-figure-ai-consulting-business-in-less-than-a-yea

1•rbanffy•32m ago•0 comments

Tether's $150B CIO Proved Himself Getting Cantor Backing

https://www.bloomberg.com/news/articles/2025-05-13/tether-s-150-billion-managed-by-unknown-brit-in-the-bahamas-usdt

2•wslh•35m ago•1 comments

AMD Ryzen to the low-end enterprise: strategy is badge engineering at its best

https://www.theregister.com/2025/05/13/amd_epyc_4005/

1•rntn•35m ago•0 comments