What actually stays private on Midnight! (A builder's mental model)
Intro Coming from the XRPL, the challenge for me has been grasping what actually stays hidden on a privacy chain and how they acomplish that. On a tra…
Architecture
⚑ Report a ProblemLatest Architecture news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
database
devchallenge
devops
gemma
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
softwareengineering
systemdesign
tutorial
typescript
webdev
Could We Build a World Without Cash? Exploring Universal Biometric Identity and Digital Credits
What if you could travel anywhere in the world, buy a coffee, pay for a service, or receive government support without carrying cash, cards, or even a…
I Built a PDF Toolbox That Never Uploads Your Files — Here's How
Every "free online PDF tool" uploads your files to a server. I built one that doesn't — and here's the technical breakdown. The Privacy Problem Try th…
What a Mailman service shutdown reveals about the state of mailing lists in 2026
DreamHost is shutting down their hosted Mailman service on July 31. If you run a list there, you already know. If you don't, it's worth understanding …
Building for Indonesia? What UU PDP Actually Requires From Developers (a Practical Checklist)
If your product touches users in Indonesia, the country's Personal Data Protection Law — UU PDP, Law 27/2022 — is now fully in force. The two-year tra…
I built 50+ developer tools that run entirely in your browser — here's why privacy matters and how I did it
Every week I open a new browser tab and search for something like "json formatter online" or "jwt decoder" or "regex tester". And every week I land on…
E.L.L.A. — Embedded Local Logic Agent
Building a Privacy-First AI Assistant for Windows — The Directive Architecture Every AI assistant I've ever used made the same assumption: the intelli…
Architecting isolated workspaces with Kasm: hardened, egress-controlled, disposable
TL;DR: A hardened Kasm Workspace deployment where every research session runs in an isolated, egress-controlled, throwaway container. Four layers (ser…
ChatGPT's New Memory Doesn't Ask Permission First
On June 4, OpenAI rolled out Dreaming V3 to ChatGPT Plus and Pro users in the US. The pitch is simple: ChatGPT now remembers you properly. Not because…
🚀 Rebuilding My Android App with Jetpack Compose: The Mailfo v2.0 Journey
Hey DEV community! 👋 I just completely rebuilt and launched Mailfo v2.0 , an privacy-focused temporary disposable email app for Android[cite: 1, 2]. T…
Top 5 Vulnerability Scanners in 2026: Beyond CVE Matching and False Positives
The vulnerability management landscape has changed dramatically in recent years. For a long time, vulnerability scanners focused on discovering servic…
Three Questions Every Zero-Knowledge Builder Gets Asked (And How I Answer Them)
Last week, a fellow builder working on a zero-knowledge financial tracker left a thoughtful comment on the Metamorphic Product Hunt page. He hit his f…
Your AI Vendor Says 'Trust Us' with Your Data. There's a Better Option.
Your AI vendor says "trust us" with your data. At the end of June, ByteDance's Doubao (豆包) officially ends its free tier and starts charging for API c…
SaaS Calculator: a SaaS Calculator tool that never sees your data
Most online SaaS Calculator tools quietly send what you paste to a server. That's fine until it isn't — config blobs, tokens, and API responses are ex…
YAML Formatter: a YAML Formatter tool that never sees your data
Most online YAML Formatter tools quietly send what you paste to a server. That's fine until it isn't — config blobs, tokens, and API responses are exa…
JSON ↔ CSV: a JSON ↔ CSV tool that never sees your data
Most online JSON ↔ CSV tools quietly send what you paste to a server. That's fine until it isn't — config blobs, tokens, and API responses are exactly…
I built a fully anonymous, E2E-encrypted P2P messenger that runs entirely in the browser #webdev #privacy #javascript #cryptography
That's the whole relay. The operator genuinely cannot read messages — not because of policy, but because the math doesn't let them. The honest tradeof…
Why Searching Encrypted Data Is Harder Than Most Developers Think
Most developers take search for granted. Add a search bar. Query the database. Return matching results. Simple. At least that's what I thought before …
Test a DNS Leak in 2 Minutes: Complete Methodology + Per-OS Fixes (2026)
TL;DR Testing for a DNS leak takes 2 minutes: connect your VPN, open dnsleaktest.com and run the Extended Test, then check whether the DNS servers det…
How to not Lose $500M via API Bills: Run Private AI for 100 Engineers Under $1 Million
Last week a company nobody can name spent $500 million in a single month on Anthropic's Claude API. Not $500K. Not $5M. Half a billion dollars. In one…
Part 8: Free Self-Hosted Mind Mapping for a Home Lab: Why I Put a Significant Part of MindMapVault on GitHub
When people say they build a privacy-first product, I ask one simple question: How much of the implementation story is publicly verifiable? For MindMa…
How I Protected My Inbox from Spam Bots While Building Landing Pages
As developers, indie hackers, and solo founders, we launch numerous static sites, minimal landing pages, and open-source project documentation blocks.…
Why We Open-Sourced OpenLoomi AI
Your AI work partner shouldn't also be your landlord. The day we finished building OpenLoomi's core architecture, we sat around and asked ourselves on…
Why Your API Gateway Might Be Your Biggest Compliance Liability
Why Your API Gateway Might Be Your Biggest Compliance Liability Your microservices architecture handles thousands of customer verification requests pe…
Contract Analysis Will Replace Legal Gatekeeping
Software will absorb the contract review process within the next few years. Not the negotiation or the decision-making, but the mechanical work of rea…
Designing Website Analytics for AI Crawlers Without Surveillance
tags: seo, analytics, webdev, ai Most website analytics still start from the same old question: who visited the site? That question is useful, but it …
The Hardest Part of Building an Encrypted Journaling App Wasn’t Encryption
Lessons learned building client-side AES-256 encryption, secure sync, and emotionally safe UX in Flutter. Most apps treat privacy as a feature. We tre…
HTML meta referrer: canonical reference
framework-html-meta-referrer.md Comprehensive reference for HTML <meta name="referrer"> , the page level referrer policy declaration. Covers the…
Why Detecting PII Matters More Than Ever
Why Detecting PII Matters More Than Ever Every modern application processes data. Usernames, emails, phone numbers, payment details, addresses, govern…
The Kimwolf Bust Just Outed Android Webcams as Botnet Fodder — Here's the Question Every Repurposed-Phone Camera Setup Has to Answer
On May 22, 2026, the U.S. Department of Justice announced the arrest of a 23-year-old in Ottawa for allegedly running Kimwolf , a DDoS-for-hire botnet…