Gold RangerVentures
From thesis to scale

Fractional executive and advisor for AI, crypto, and mobile founders.

Shipped agentic payments at scale.
Now I help founders do the same.

About

The operator founders call before the board meeting.


$28M+Capital raised
$1B+Market cap built
100+Products shipped
15+Years scaling

Physicist by training. Operator by craft. I've raised $28M+ across equity and token rounds, taken a token past a $1B+ market cap, and shipped mobile platforms used by hundreds of millions. Before founding my own companies, I spent a decade leading product and engineering at major fintechs and media platforms.

Arthur Ariel Sabintsev
Services

AI & Agentic Payments

Your agents are about to start paying for things. APIs, models, compute, data. None of it runs on a credit card.

I co-founded Pocket Network, where machines pay machines billions of times a month. The work is wiring x402 micropayments, AP2 payment mandates, KYA (Know Your Agent) identity, and USDC settlement on Base or Solana into a stack your CFO and compliance team will both sign off on.

AI Product Strategy

A chat wrapper isn't a product. Winning teams own the workflow, the evals, or the data, then price around that advantage instead of pretending a feature is a company.

We'll pick a wedge competitors can't ship in a quarter, build the evals that prove it works, and price it like something customers would miss if it disappeared.

AI Evals & Readiness

Most AI features ship looking great in a demo and break the first week in production. Evals catch nothing. Costs blow up. There's no fallback when the model is down.

You need an eval pipeline that catches regressions before deploy, monitoring for quality drift, cost guards against runaway loops, and a fallback for when the model API goes down. That's the system I build.

Portfolio
Advisory
Venture Studio
Media
Lever2026 · Case Study

How a billion-dollar founder validated his new Web3 project in weeks

Read
Crypto Pandas2026 · AMA

AMA with Grove and Lever

Watch
Innovations2025 · Interview

Grove: redefining how the internet connects itself

Read
XRPL Live2025 · Video

Scaling and decentralizing the XRPL-EVM for humans and agents

Watch
Onchain Economy2025 · Video

Episode 3: Arthur Sabintsev, Grove and Pocket Network

Watch
Fluence2025 · Video

Decentralized RPC, real revenue, and LLM access

Watch
Strobe Ignite2025 · Video

Grove with CEO Arthur Sabintsev

Watch
Strobe2025 · Recap

Strobe Ignite Ep 05: Strobe meets Arthur from Grove

Read
The CIO Circle2024 · Interview

Arthur Sabintsev: CIO and COO at Grove

Read
Crypto Current2023 · Video

Arthur Sabintsev: COO at Pocket Network

Watch
Web3 Trenches2023 · Podcast

The Web3 Trenches Podcast featuring Arthur Sabintsev

Watch
YouTube2022 · Video

MetaMask is collecting your data: what you need to know

Watch
CNBC2022 · Video

Bitcoin at $25K, Acala crashes, Avalanche subnets: Crypto World

Watch
Cointelegraph2022 · Article

Meta's Web3 hopes face challenge of decentralization and market headwinds

Read
AppleInsider2022 · Article

NFT firms say Apple rules make the App Store impossible

Read
Bit About Crypto2022 · Podcast

From experimental nuclear physicist to CIO of Pocket Network

Watch
Okcoin Live2022 · Video

Episode 46: Putting POKT in your pocket

Watch
Cadena2022 · AMA

Community AMA with Arthur Sabintsev from Pocket Network

Watch
Techmeme Ride Home2022 · Podcast

TWTR, SPC NFT struggles, Google Stadia, and new Kindles

Listen
The Information2022 · Article

How Apple's App Store policies squeeze NFT startups

Read
Developer to Manager2019 · Interview

Senior Manager of Software Engineering at Capital One

Read
iOSDevCampDC2018 · Talk

Scaling iOS architecture

Watch
TechTarget2018 · Article

Developers reap benefits of iOS app modules with Swift

Read
SwiftCoders2017 · Podcast

Episode 44: Lead iOS Developer at The Washington Post

Listen
Inverse2017 · Article

What a big Apple rumor could mean for your favorite apps

Read
CocoaHeads Kyiv2017 · Talk

How open source development can make you a better developer

Watch
iOSDevCampDC2017 · Talk

How open source development can make you a better developer

Watch
360Conferences2016 · Talk

Gamifying the news

Watch
Mashable2012 · Article

Mobile app development and battery performance

Read
The Next Web2011 · Article

Crashlytics founders: pinpointing the exact line of code that causes crashes

Read
Writing
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I respond within 1 business day from [email protected].