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YC SAFE News

The Simple Agreement for Future Equity, or SAFE, has become a standard way for early-stage startups to raise money. Here you will find articles about how SAFEs work in practice, changes to common terms, and debates among founders and investors about early-stage fundraising.

Typical stories explain valuation caps, discounts, and dilution in plain language, or report on how market conditions push standard terms up or down. Cautionary tales appear as well, often about founders who stacked too many SAFEs and only discovered the ownership consequences at their priced round.

Fundraising mechanics may sound dry, but they decide who owns how much of a company when the stakes get high. First-time founders, angel investors, and startup lawyers all follow this topic because a single misunderstood clause can be worth millions later on.

Feds freaked over Fable 5 after 'fix this code', not jailbreak, say researchers
2026-06-16

Researchers clarified that the federal government's recent panic over a Fable 5 security research paper was based on a fundamental misunderstanding. Officials initially believed the paper detailed a system jailbreak, prompting widespread concern. However, a closer review revealed the study was actually focused on routine code fixes rather than bypassing security measures.

Correlated randomness in Slay the Spire 2
2026-06-16

Data analysis of Slay the Spire 2 has uncovered hidden probabilistic mechanics and deterministic rules governing its single-player mode. Players have calculated exact statistical likelihoods for specific events, item drops, and curses based on in-game choices and locations. These findings highlight the complex, correlated randomness driving the game's underlying systems.

I hacked into the worst e-bike and fixed it [video]
2026-06-16

A tech content creator recently documented the process of hacking and fixing a notoriously poorly designed electric bike in a new video. By reverse-engineering the software and bypassing manufacturer restrictions, they successfully modified the e-bike's system to resolve its major flaws and improve its overall performance.

Show HN: Garden of Flowers – an archive of pictorial typography before ASCII art
2026-06-16

The newly launched Garden of Flowers archive features around 2500 examples of pictorial typography and letterpress works spanning four centuries. Composed entirely of type ornaments and characters, the collection highlights the fascinating history of ASCII art long before the advent of computers.

Getting Creative with Perlin Noise Fields
2026-06-16

A creator recently shared a collection of twenty-five unique designs generated entirely with Perlin flow fields. The project showcases the creative potential of this simple algorithm for producing complex and visually striking digital art.

Formal Methods and the Future of Programming
2026-06-16

For the past 25 years, Jane Street has publicly maintained that the organization had no interest in formal methods for software development. However, a new article exploring the future of programming suggests the trading firm may be rethinking this long-held stance. The piece examines the evolving landscape of mathematically verifying code and its potential impact on the company's future engineering practices.

Cohere's First Model for Developers
2026-06-16

AI company Cohere has released North Mini Code, its debut open-source agentic coding model designed specifically for developers. The 30-billion parameter Mixture of Experts architecture delivers strong coding performance while running efficiently on minimal hardware.

An interview with an Apple emoji designer
2026-06-16

An interview with an Apple emoji designer has sparked reader debate over the oversaturation of the emoji library and their use in formal technical documentation. Critics argue that the massive expansion of available emojis dilutes their impact and creates confusing cross-platform inconsistencies. Conversely, defenders champion the icons as a vital evolutionary step in written language that effectively conveys emotional sentiment and prevents miscommunication.

Making ast.walk 220x Faster
2026-06-16

Reflex developers optimized Python Abstract Syntax Tree traversal by replacing the standard ast.walk function with a custom implementation that achieves a 220x speedup. This performance enhancement was developed specifically to power a new custom linter for the company's AI code generation tools.

SubQ 1.1 Small
2026-06-16

Frontier AI research and infrastructure company Subquadratic has introduced SubQ 1.1 Small as part of its initiative to build a new class of large language models. This latest release highlights the company's ongoing efforts to develop next-generation AI capabilities and infrastructure.

Frood, an Alpine Initramfs NAS (2024)
2026-06-16

A developer has detailed the architecture of Frood, a minimalist Network Attached Storage system built by running an entire Alpine Linux distribution directly from an initramfs. By loading the complete operating system into memory, this unique approach offers a highly efficient and streamlined storage experience. The accompanying guide explains the benefits of this setup and provides step-by-step instructions for building your own.

Humanity isn't ready for the coming intelligence explosion
2026-06-16

Readers discussing the imminent intelligence explosion warn that while AI currently acts as a powerful productivity multiplier, it threatens to devalue human labor and create a permanent socioeconomic underclass. They predict that human-readable programming languages will soon become obsolete, replaced entirely by complex machine-optimized code. Ultimately, this shift will strip humanity of its ability to comprehend, verify, and control the foundational computing systems that underpin modern society.

U.S. pulling ocean sensors a 'shock' for Canadian research as El Niño nears
2026-06-16

The retrieval of critical ocean sensors by the United States is severely disrupting international climate research, particularly for Canadian scientists monitoring the Atlantic Meridional Overturning Circulation ahead of El Niño. This specific action highlights a broader, systematic effort by the Office of Management and Budget to politicize, defund, and dismantle American scientific infrastructure. Researchers warn that withholding appropriated funds and arbitrarily cancelling grants will devastate the scientific community and permanently damage global research leadership.

A backdoor in a LinkedIn job offer
2026-06-15

Hackers posed as LinkedIn recruiters to infiltrate a cryptocurrency repository through a sophisticated social engineering campaign. During the fake interview process, the attackers delivered a remote code execution payload concealed within a standard test file. This incident underscores the ongoing threat of targeted malware disguised as routine developer tasks.

Iroh 1.0
2026-06-15

The official 1.0 release of Iroh has now launched, signaling that the platform is stable and production-ready. Developers are being encouraged to take advantage of this major milestone and begin building their applications.

Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?
2026-06-15

Developers on Hacker News are sharing positive experiences replacing proprietary AI coding assistants with local, offline models like Qwen to prioritize data privacy and eliminate subscription costs. Although users note that local models require more precise prompting and act more like junior developers than frontier models like Claude, they still provide a substantial productivity boost for free. The community is also actively troubleshooting technical hurdles, such as context caching inefficiencies, by optimizing inference backends and preserving reasoning traces.

TinyWind: A pixel pirate sailing game with real wind physics (380k+ kms sailed)
2026-06-15

TinyWind is a free, browser-based pixel-art pirate game featuring realistic sailing mechanics and wind physics across seven islands. Players can jump into quick five-minute voyages to outrun the Royal Navy without any downloads, and the community has already collectively sailed over 380,000 kilometers.

Copper transport drug restores memory and clears toxic Alzheimer's proteins
2026-06-15

A new copper transport drug aims to restore memory and clear toxic Alzheimer's proteins, though it targets a highly contentious area of research. Discussions surrounding the article highlight ongoing skepticism toward amyloid-directed therapies, reflecting a deep divide among experts over whether clearing amyloid-beta plaques can effectively treat the disease after decades of failed clinical trials.

Banned book library in a wi-fi smart light bulb
2026-06-15

A hardware hacker has successfully repurposed a standard WiFi smart light bulb into a clandestine storage device for a digital library of banned books. By exploiting the internal components of the everyday IoT device, the project demonstrates how consumer electronics can be modified to hide and distribute restricted data. This creative modification highlights both the hidden capabilities of smart home gadgets and the ongoing ingenuity of the DIY tech community.

My Homelab AI Dev Platform
2026-06-15

A recent project highlights the creation of a personal homelab AI development platform through the self-hosting of OpenCode Web. This implementation enables the developer to manage and deploy infrastructure updates using a streamlined GitOps workflow.