Build on the most powerful wallet infrastructure

Dfns is the WaaS (wallets-as-a-service) platform chosen by leading fintechs and enterprises to streamline digital asset operations and onboard users into crypto, safely.

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Certified and audited by

$3B
assets secured
>10M
wallets created
>$500M
monthly transfers
0
wallets hacked

Build safe and simple products

Embed digital asset wallets directly into your application

Enable developers and users to interact with digital assets with confidence. We serve as a security layer, providing margin for error and protection against errors that would otherwise be irreparable.

Wallets-as-a-Service

Grow from zero to one and integrate digital asset capabilities, instantly.

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Governance Engine

Import your existing business and governance logics for digital assets.

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Composable Deployments

Leverage flexible key deployments to meet any regulatory requirements.

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Grow with confidence across all blockchains

Secure user onboarding

Avoid unsafe key downloads and use strong MFA with passkeys, biometrics, PIN, or even Yubikeys. Safely recover keys through email, codes and extra devices.

Access every blockchain easily

Leverage the most versatile key management service, designed for digital assets. Dfns offers a wide array of keys, signatures and integrations across all blockchains.

One single API for all actions

Operate from a unified developer platform that offers a seamless admin experience. Easily manage all blockchain complexities with simple API functions and commands.

Streamline transactions

Don’t lose time building transfers. Automate your transaction workflows directly via API and broadcast them onchain as ready-made payloads—it’s hassle-free.

Scale without limits

Leverage the most reliable wallet infrastructure, offering millions of wallets at high transaction speed and throughput with over 99.95% uptime to grow without disruptions.

Control authorizations with accuracy

Import your internal rules and compliance framework with our governance APIs that enable controls, quorums, policies and granular approval workflow orchestration.

NIST-compliant, bank-grade security

Build on top of state-of-the-art cryptography, providing unmatched loss and attack resistance for digital assets. Or bring your own device and connect your HSM.

Comply with regulations

Deploy and orchestrate keys and services in the locations of your choice to stay ahead of regulations like EU DORA and US FISMA, ensuring future-proof compliance.

Discover how to build on Dfns

Customer story

Vita Wallet

Integrate custodial or non-custodial wallets inside apps with little to no additional development effort.

“Dfns has enhanced our capabilities as a financial platform. Their detailed and easy-to-use APIs enabled our team to build a friendly wallet service for our users. Also, we value strong security and responsive support, and Dfns delivers both flawlessly.”

Yondri Leonel Roa

Chief Technical Officer

Wallet API

deploy millions of multichain wallets via mobile SDK.

Passkey Login

access the wallet via quick biometric face scan.

Multichain Wallets

allow users to access all tokens from one interface.

Customer story

ABN AMRO

Automate configurable wallets, transaction executions and bank-grade security protocols.

"We believe that securing private keys, and therefore custody of digital assets, is a strategic capability for the future of financial institutions. Having worked closely with Dfns and their team, we are excited to be a part of their future as well."

Edwin van Bommel

Chief Strategy & Innovation Officer

Wallet API

deploy millions of multichain wallets via mobile SDK.

Policy Engine

to establish rules and controls over transactions.

Transaction Broadcasting

with blockchain-specific payload templates.

Customer story

Zodia Custody

Select key deployment options leveraging TEEs in T3+/4 data centers and MPC security.

"Thanks to their collaborative team and institutional-grade wallet platform, we've enhanced our operational capabilities and widened our business lines. Our security framework has also been reinforced by their state-of-the-art MPC cryptography."

Thierry Janaudy

Chief Technical Officer

Permission Matrix

to assign admin/user controls over wallets.

Webhooks

for event-based notifications on KYT-related red flags.

On-Prem Deployments

to locally story key shares within HSMs.

Customer story

Tokeny

Integrate compliance-first wallets with passkey authentication, enabling fast and secure transfers.

“Tokeny's collaboration with Dfns provided our users with secure and user-friendly access to valuable digital assets. Dfns were first to introduce biometric authentication for wallets, setting new standards for security and ease of use in digital assets. Their drive to innovate matches ours.“

Luc Falempi

Chief Executive Officer

Passwordless 2FA

with fast and safe wallet access via biometrics.

ERC-3643 Integration

to benefit from T-REX contract standard.

Policy Engine

to establish rules and controls over transactions.

Customer story

Sphere

Scale on a microservice-driven infrastructure ensuring rapid signing and no downtime.

"Sphere's collaboration with Dfns improved our payment rails by providing robust security, near-perfect uptime and fast transaction processing. Dfns' commitment to innovation and reliability not only enhances our efficiency but also sets a new industry standard, making them a vital partner."

Arnold Lee

Chief Executive Officer

Wallet API

deploy millions of multichain wallets via mobile SDK.

Fast MPC signing

to process high volumes of signature requests.

Robust SLA

with 99,95% uptime to ensure payment execution 24/7.

Customer story

Nilos

Access 1,000+ tokens and manage them with customizable policies and permissions.

"As a regulated custodian committed to the highest standards of compliance, our partnership with Dfns has been crucial. Their security best practices, programmatic developers tools and robust infrastructure help us carry out carefully controlled operations. We also appreciate their team as they provide responsive support and sub-hour troubleshooting."

Raphaël Fettaya

Chief Executive Officer

Wallet API

deploy millions of multichain wallets via mobile SDK.

Fast MPC signing

to process high volumes of signature requests.

Robust SLA

with 99,95% uptime to ensure payment execution 24/7.

Dfns stands for Defense

Redefining what security means

Wallets are vital and require maximum security—nothing less.

Built by a team of world-class experts in security and cryptography, Dfns pioneered research in multiparty computation (MPC) and threshold signature (TSS) applied to key management for blockchains.