The Sixtyfour blog

Field briefs and case studies on identity resolution, fraud rings, and what our agents find.

Company
Sep 11, 2026 · 9 min read

Inside Sixtyfour: how we operate

Twelve principles we actually run on — plus the 120lb flat cart that explains all of them.

Trust & Safety
May 16, 2026 · 4 min read

How We Use Agents for Reverse Username Search Investigations

Bad actors hide behind pixelated avatars and disposable handles. Here is how the chain unravels.

Trust & Safety
May 12, 2026 · 6 min read

How We Use Agents for Identity Resolution on Banned Scammers

Device fingerprinting works on the bottom 90% of operators, but the top 10% rotate hardware before breakfast. Here is how to stop them.

Trust & Safety
May 8, 2026 · 8 min read

How We Use Agents to Detect Rented Gig-Worker Accounts

A $65 Facebook transaction is all it takes to put an unvetted stranger behind the wheel. Here's how Sixtyfour closes that gap.

Trust & Safety
May 5, 2026 · 6 min read

How We Trace Hidden Beneficial Owners Behind Shell Companies

In 2024, TD Bank pleaded guilty to $18.3 trillion in unmonitored transaction activity tied to money laundering. Here is how agents trace the beneficial owners behind shell networks.

Company
Feb 11, 2026 · 5 min read

Case Study: How Mercor Uses Sixtyfour to Find AI Training Experts

How Sixtyfour helps Mercor find rare experts who can generate training problems current AI models cannot solve.

Company
Feb 11, 2026 · 5 min read

Case Study: How Conduit Unlocked the STR Market with Sixtyfour

How Sixtyfour helped Conduit identify fragmented short-term rental management companies that traditional data vendors could not reach.

Company
Feb 11, 2026 · 4 min read

Case Study: How Whatnot Discovered European TCG Sellers with Sixtyfour

How Sixtyfour helped Whatnot identify qualified TCG sellers across the UK, Netherlands, and France for live auction commerce.

Company
Apr 2, 2025 · 7 min read

Sixtyfour AI is now backed by Y Combinator

Sixtyfour AI is joining Y Combinator’s first-ever spring batch as we go all in on building the best AI research platform in the world.