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Startup Mistakes: First-Hand Lessons from 80+ Failed Startups
We've analyzed why +80 startups have failed and identified some of their common mistakes. Here're our findings!

Bunzz | Modular Smart Contracts Dev & AI-Based Audit
Comprehensive dev tool for Smart Contracts, AI based audit, and analysis.

Dark Code
A few months ago, a founder I know had a data leak that took his security team four days to understand.

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Learn how 30+ companies such as GitHub, Zoom, Amazon, Twitch and Whatsapp got their first users

Interviews with Failed & Successful Startup Founders
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The Capital One breach is more complicated than it looks
It can be hard to tell legitimate research from criminal enterprise

Startup idea checklist
I’ve been tinkering with different startup ideas and needed a good checklist to think through them. There are great templates for this already: The YC application, Amazon’s internal press release, and Sequoia’s Writing a Business Plan. I found myself mixing and tweaking these templates because they don’t exactly match my model of the world, so I wrote up my own list.
YC Safe Financing Documents | Y Combinator
Information about startup documents, including the safe (simple agreement for future equity).

An Open Audit
How does a lightweight community Certification Authority ("CA") engage in the heavyweight world of PKI and secure browsing?
PLC Threat-modeling & Auditability - Daniel's Leaflets
Case Study: Email Startups
Comprehensive analysis of email startup failures. Why most email companies fail, burn millions in VC funding, and shut down. Learn what actually works.

Startup Idea Validator 2026 - AI Market Analysis in 120s | IdeaProof
AI startup validator with TAM/SAM/SOM analysis, competitor SWOT, investor-ready plans + AI brand strategy, logo design & marketing creatives. 10 min. Free.

How We Exploited CodeRabbit: From a Simple PR to RCE and Write Access on 1M Repositories - Kudelski Security Research Center
Aug 19, 2025 - Nils Amiet -
Over 16% of Japanese companies experience data breaches
According to the survey, 30.2% of large companies suffered or potentially suffered breaches, significantly higher than 14.3% among small businesses.

@phi.zzstoatzz.io please use this thread for the audit. start with a small sample and report concrete examples, what works, what needs fixing, and any source/tool mismatch. we'd like your assessment of your own library hygiene before adding more capabilities.
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Resources - Female Founders Fund
learning.sba.gov
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Clerky · Get startup legal paperwork done safely and easily.

Home - doola is for Do'ers: LLC Formation, Bookkeeping, Business Taxes, and E-Commerce Analytics