Digital asset vault

A system for a digital asset vault, comprising:

• one or more processors;
• and
• non-transitory computer-readable storage encoding instructions which, when executed by the one or more processors, cause the system to:
• receive a secret from a first wallet;
• encrypt the secret at least twice based on at least a first encryption technique provided by the first wallet and a second encryption technique different from the first encryption technique and provided by a second wallet, to provide an encrypted secret;
• transport the encrypted secret to the digital asset vault;
• and
• store the secret in the digital asset vault, including to decrypt and re-encrypt the encrypted secret.