Custody & Safeguarding
Sub-Custody
A CASP using a third-party authorised custodian to hold client crypto-assets — primary liability retained.
Definition
Sub-custody is delegation of client crypto-asset custody to a third-party custodian. Permitted under MiCA Article 75 where the sub-custodian is itself authorised (MiCA CASP, CRR credit institution, or non-EU equivalent). The original CASP retains primary liability to clients.
Regulatory citation