What is a custodial wallet?

A custodial wallet is a type of wallet where a third party manages the private keys on behalf of the user.

How does compliance work for custodial wallets?

Custodial wallets must implement KYC/AML procedures and maintain transaction records to comply with CMVM/BdP regulations.

Can I customize the custodial wallet software?

Yes, the custodial wallet software can be customized to fit your business model while ensuring compliance.

MiCA · Custodial Wallet

Portugal Custodial Wallet — Compliant Development

Launch a custodial wallet in Portugal with compliance controls mapped to CMVM/BdP and MiCA. Block Intelligence builds production software; independent counsel handles licensing.

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Compliance scope

Portugal · Custodial Wallet

Portugal supervises crypto-asset service providers under MiCA through CMVM and Banco de Portugal (CMVM/BdP). Firms offering exchange, custody, advisory, or other CASP services must obtain authorization and meet prudential, governance, and AML requirements before serving clients in the EU.

Jurisdiction	Portugal
Regulator	CMVM/BdP
Product	Custodial Wallet

Software

Built-in compliance controls

Custodial key management with HSM or secure enclave options
Multi-chain deposits, withdrawals, and balance reconciliation
Transaction monitoring and velocity limits
Account recovery flows with identity re-verification
Compliance reporting and user activity audit trails
Embed KYC/AML checks during wallet creation and funding.
Implement secure storage solutions for private keys.
Enable transaction monitoring and alert systems for compliance.

View Custodial Wallet service Related case study

Block Intelligence provides technology development and compliance-oriented software architecture. We are not a law firm. Licensing and regulatory advice is provided by independent legal partners in each jurisdiction. Information is current as of 2026-03-01 and subject to change.

FAQ

Frequently asked questions

What is a custodial wallet?: A custodial wallet is a type of wallet where a third party manages the private keys on behalf of the user.
How does compliance work for custodial wallets?: Custodial wallets must implement KYC/AML procedures and maintain transaction records to comply with CMVM/BdP regulations.
Can I customize the custodial wallet software?: Yes, the custodial wallet software can be customized to fit your business model while ensuring compliance.