Digital asset infrastructure,built for compliance.
A Germany-based platform for secure digital asset management and crypto payments — designed for corporate and private clients who need reliability, transparency and regulatory-grade controls.
A single platform for digital assets.
API-first infrastructure that brings together custody, payments and settlement — one integration, one operational model.
Digital Asset Wallets
Institutional-grade wallet infrastructure with hot / cold separation, multi-signature and encrypted key management.
Crypto Payments
Send, receive and settle major digital assets — BTC, ETH, USDT, BNB — through a single, API-first interface.
Fiat Connectivity
SEPA and SWIFT settlement in partnership with licensed payment institutions across the EU.
Merchant Solutions
API keys, webhooks and reporting for businesses that want to accept digital-asset payments at scale.
Compliance built in,not bolted on.
Institutional standards from the ground up. Every transaction is screened, logged and reconciled against the same controls used by regulated financial institutions.
- KYC / KYB onboarding
- AML & sanctions screening
- Transaction monitoring
- Full audit logging
- Encrypted storage & key rotation
- Role-based access control
- TLS 1.3 in transit
- Backups & disaster recovery
Amadeus Castellum AG
A company registered in Germany, developing regulated digital-asset payment infrastructure. We work with licensed partners for banking and fiat settlement, and put compliance and security first.
Our name — Castellum, the Latin word for a fortified stronghold — reflects how we build: every layer designed to protect value in motion and value at rest.
Get in touch.
For partnership, compliance or technical enquiries — we'd be glad to hear from you.