Stackup streamlines on-chain financial operations for crypto businesses with a self-custody smart account wallet. It automates payments, invoicing, and approvals using ERC-4337 account abstraction, providing CFO-ready reporting and enhanced security through passkey authentication and granular access controls.
Funding
$4.2M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

Founders
Product
Problem
Managing on-chain financial operations for crypto companies is complex, often leading to manual processes, security vulnerabilities, and a lack of enterprise-grade reporting. This complexity hinders efficiency, compliance, and the ability to scale decentralized finance operations effectively.
Solution
Stackup provides a collaborative, self-custody smart account wallet designed to streamline on-chain financial operations for crypto businesses. Leveraging ERC-4337 account abstraction, the platform offers enhanced security through passkey authentication and granular access controls, mitigating risks associated with hardware wallets and complex manual management. It automates workflows for payments, invoices, and approvals, transforming chaotic on-chain finances into structured, auditable processes. Stackup delivers CFO-ready reporting with real-time cash flow visibility and automated compliance checks, enabling centralized control over decentralized assets.
Target Audience
Stackup targets crypto companies, including DeFi protocols, NFT platforms, and crypto exchanges, that require robust, secure, and efficient management of their on-chain financial operations and treasury.
Features
- ERC-4337 compliant smart contract accounts built on a scalable keystore architecture, audited by Spearbit.
- Self-custodial control with no access to customer on-chain accounts.
- Off-chain Merkel tree data structure for managing access configurations, with on-chain commitment of root hashes for cryptographic proof of signing authority.
- SOC2 compliant web platform with end-to-end encryption (TLS 1.3+) and AES-256 encryption at rest.
- Passwordless authentication via passkeys (P-256 curve asymmetric cryptography) for enhanced security and user experience.
- Role-based access control for web platform users (Admins, Members) and API access for applications.
- Automated workflows including batch payments, auto-generated invoices, and one-click approvals.
- Real-time cash flow visibility, automated compliance reports, and granular spending controls.
- Secure integration with US bank accounts requiring Know Your Business (KYB) verification for on/off-ramp features.
- Open-source contract repository and detailed technical specifications available for verification.