Crypto Operations for 2025, Not 2015

Stackup gives teams a collaborative self-custody wallet with invoicing, bill payments, and financial controls built for how companies actually operate.

Trusted by web3's most security-conscious leaders

Companies like Spearbit—who audit the industry's top protocols—chose Stackup over Safe for their own financial operations
Hardware wallets chain executives to tedious transactions.

Safe multisigs turn simple payments into coordination nightmares.

MPC solutions dictate how you operate with rigid whitelists.

You have better ways to spend your time. Stackup’s all-in-one platform delivers the benefits of blockchain without the bottlenecks. 

Backed by

You've hit an inflection point

When manual wallet management becomes overwhelming, successful crypto businesses turn to Stackup. We transform financial chaos into structured workflows—just like Brex and Ramp did for traditional companies.

Batch payments, auto-generated invoices, and one-click approvals. What took your team days of coordination now happens in minutes—with complete audit trails.

No more hardware wallet anxiety. Our ERC-4337 smart accounts deliver military-grade security through Face ID—protecting millions while feeling effortless.

Real-time cash flow visibility, automated compliance reports, and granular spending controls. Finally, crypto operations that meet enterprise finance standards.

Centralized control of decentralized assets

You chose crypto for its speed, transparency, and innovation. Don't let primitive tools slow you down. Stackup brings centralized control to your decentralized operations—modernizing how crypto businesses actually work.

Modern Operations for Modern Assets

With easy automations for payments, invoices, and approvals, you’ll spend nights at the office growing your business, not your to-do list.

Security Plus Safety: The Complete Protection

Most platforms stop at keeping hackers out. We went further—eliminating the technical complexity that causes costly mistakes. Because true protection means safeguarding against every risk.

The Command Center for Crypto Finance

One tool to rule them all.

Set permissions once and apply them everywhere for increased visibility, collaboration, and operational speed.

Our founders

Official headshot of John Rising, CEO and cofounder of Stackup

John Rising

Cofounder & CEO

John Rising is the co-founder and CEO of Stackup, a digital asset management platform designed to streamline crypto operations for enterprise-grade businesses.

Prior to founding Stackup in 2021, John began his career in aerospace engineering, where he managed missions at SpaceX, led vehicle design at Relativity Space as its first employee, and helped design the propulsion systems in Virgin Galactic’s SpaceShipTwo.

John holds a master’s degree in engineering and management from MIT and a bachelor’s degree in engineering from USC. At Stackup, John leverages his technical expertise to champion and simplify enterprise adoption of blockchain technology, making the industry more accessible to businesses and end users alike.
Headshot of Hazim Jumali, CTO and cofounder of Stackup

Hazim Jumali

Cofounder & CTO

Hazim Jumali is the co-founder and CTO of Stackup, a digital asset management platform designed to streamline crypto operations for enterprise-grade businesses.

With a background in fintech and crypto, he has contributed to open standards in account abstraction and is an Ethereum Foundation grantee for core ERC-4337 infrastructure. At Stackup, he leads engineering and product, shaping secure, scalable onchain tools for modern businesses.

Before founding Stackup, Hazim studied Electrical Engineering at the University of Melbourne and built consumer-facing products at Afterpay.