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Stackup

YC S22

Los Angeles, US · Founded 2021 · 4 employees · Hiring · 10 known investors

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Stackup is a smart account platform that enables crypto companies to manage onchain financial operations through modern infrastructure for digital asset management. The platform targets enterprise-grade crypto businesses seeking to streamline transactions, hardware wallet management, and administrative processes.

Also known as Stackup Finance, Inc.

Crypto & Web3Developer ToolsEnterprise SoftwareFintechSaaSCrypto / Web3B2BOpen SourceUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S22)

Stackup was founded in 2021 by John Rising and Hazim Jumali.

JRJohn Rising
John RisingFounder & CEOHe previously held engineering leadership roles at SpaceX, Virgin Galactic, and Relativity Space, where he served as head of rocket engineering.
HJHazim Jumali
Hazim JumaliFounder & CTOuntil 2025

Investors · 10

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

1kxreportedRoad Town · $50K – $1M

How we know: the VCSheet dataset · Not right? Tell us

Amino CapitalreportedPalo Alto · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Asymmetry VenturesreportedRichmond · $125K – $500K

How we know: Y Combinator's founder network · Not right? Tell us

Big Brain HoldingsreportedLos Angeles

How we know: Y Combinator's founder network · Not right? Tell us

Four CitiesreportedNewton

How we know: Y Combinator's founder network · Not right? Tell us

Goodwater CapitalreportedBurlingame · $5M – $50M

How we know: Y Combinator's founder network · Not right? Tell us

PioneerreportedToronto, Ontario

How we know: Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

Soma CapitalreportedSacramento · $100K – $300K

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$4.2M disclosed across 1 of 2 rounds · 2025

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 10

AlchemyAlchemy is a platform layer that enables developers to build applications on blockchain networks. The company provides infrastructure and APIs to simplify blockchain development for a global audience.
Protocol LabsProtocol Labs is an innovation network connecting over 750 tech organizations developing breakthrough technologies across web3, AI, AR, VR, BCI, hardware, and related fields. Organizations collaborate to solve shared problems and accelerate R&D across technological frontiers.
BunkyrBunkyr provides an API that lets applications implement zero-knowledge encryption and password recovery without requiring users to manage seed phrases or backup codes. The platform handles encrypted data protection and account recovery for developers building end-to-end encrypted applications.
OpenZeppelinOpenZeppelin provides smart contract libraries, security audits, and operational tooling for onchain finance across major blockchains. It serves DeFi protocols and institutions building on Ethereum, Starknet, Arbitrum, Stellar, and other chains, offering Solidity and Cairo contract standards, code audits, and monitoring services.
QuicknodeQuicknode provides blockchain infrastructure services that enable developers and enterprises to build and deploy decentralized applications across multiple blockchains. The platform offers fast, reliable node access and developer tools for Web3 projects ranging from wallets and Layer 1 protocols to gaming and fintech applications.
LedgerLedger provides hardware and software cryptocurrency wallet solutions that enable users to buy, swap, earn, and manage digital assets with security features and portfolio tracking capabilities across multiple blockchain networks.
SatsumaSatsuma provides infrastructure for developers to extract, transform, and query blockchain data from multiple networks via APIs. The platform addresses the technical challenge of accessing distributed ledger information for web3 application development.
CoingeckoCoinGecko is the world's largest independent cryptocurrency data aggregator, providing comprehensive market data including price, volume, and market capitalization across thousands of cryptoassets. It serves millions of users globally with tools, research, and APIs for cryptocurrency market analysis and insights.
SimpleHashSimpleHash provides NFT indexing and data infrastructure for blockchain applications, helping companies reduce costs and improve customer experience in the crypto ecosystem.
EcoEco provides a developer platform for stablecoin companies to enable cross-chain money movement without building underlying infrastructure. The platform offers real-time settlement, simplified onchain user experience, and programmable orchestration for stablecoin transactions across multiple chains and assets.

Companies working in the same space as Stackup.

Legal entities · 1

corporate structure
Stackup Finance, Inc.

In the news

Stackup Raises $4.2M in Seed Fundingfinsmes.com · Jun 2025

Frequently asked questions

What does Stackup do?
Stackup is a smart account platform that enables crypto companies to manage onchain financial operations through modern infrastructure for digital asset management. The platform targets enterprise-grade crypto businesses seeking to streamline transactions, hardware wallet management, and administrative processes.
Who founded Stackup?
Stackup was founded by John Rising, Hazim Jumali in 2021.
Who are Stackup's investors?
Stackup's investors include Digital Currency Group, Y Combinator, 1kx, Amino Capital, Asymmetry Ventures, Big Brain Holdings, Four Cities, Goodwater Capital and 2 more.
How much funding has Stackup raised?
Stackup has disclosed $4.2M raised across 1 of its 2 known rounds.
Where is Stackup headquartered?
Stackup is headquartered in Los Angeles, US.