Digital assets introduce a useful but sometimes misunderstood distinction between the ability to move an asset and the legal right to it. A wallet may display a balance, while the arrangements governing ownership, beneficial interests and withdrawal rights exist partly outside the blockchain.
Private keys and transaction authority
Control over cryptographic credentials may allow someone to authorize blockchain transactions. However, who can authorize a transfer depends on the wallet architecture. A single-key wallet may work differently from a multisignature wallet, a smart-contract wallet or an account controlled by a custody provider.
Technical control is important evidence, but it does not always resolve legal ownership. An employee, service provider or custodian may have transaction authority on behalf of another party.
Self-custody and third-party custody
Under self-custody, an organization manages its own keys and procedures for authorizing transfers. This creates direct operational responsibilities involving key generation, backup, access restrictions, incident response and segregation of duties.
With third-party custody, some responsibilities are allocated contractually to a service provider. The organization still needs to understand account arrangements, withdrawal rights, reporting practices, concentration exposures and the risks associated with the provider.
Evidence supporting custody assertions
A meaningful review may combine blockchain balances, controlled message-signing exercises, custody statements, wallet architecture information and internal transaction records. The precise evidence required depends on the assertion being tested.
For example, demonstrating that an entity can sign a message from an address may support evidence of current technical control. It does not automatically demonstrate that the assets are free from liens, pledged arrangements or claims of third parties.
Governance and reconciliation
Digital asset custody is also an internal control issue. Well-defined approval thresholds, key access procedures, transaction logs, reconciliations and periodic reviews can help organizations reduce preventable operational risks.
The strongest conclusions arise when technical observations are reconciled with business records and legal arrangements. Distinguishing control from ownership makes digital asset reporting more precise and reduces the chance that users infer more from wallet evidence than it actually establishes.