Abstract: Systems and methods for managing digital identities. In some embodiments, a method is provided, comprising acts of: receiving a request to validate at least one statement about a user; identifying, from the request, a reference to a distributed ledger, the reference comprising an identifier for the distributed ledger and an identifier for a transaction recorded on the distributed ledger; identifying, based at least in part on the identifier for the distributed ledger, at least one node of a network of nodes managing the distributed ledger; and communicating with the at least one node to validate the at least one statement about the user.

Abstract: Systems and methods for data management. In some embodiments, information may be accessed from a knowledge structure associated with an entity. The knowledge structure may store both private information of the entity and state information of a distributed ledger. For instance, the knowledge structure may include an identity structure for the entity and/or an attribute structure corresponding to an attribute of the entity. The identity structure may store a pointer to the attribute structure. Additionally, or alternatively, the attribute structure may associate a value with the attribute of the entity.

Abstract: Systems and methods for managing digital identities. In some embodiments, a method is provided, comprising acts of: receiving a request to validate at least one statement about a user; identifying, from the request, a reference to a distributed ledger, the reference comprising an identifier for the distributed ledger and an identifier for a transaction recorded on the distributed ledger; identifying, based at least in part on the identifier for the distributed ledger, at least one node of a network of nodes managing the distributed ledger; and communicating with the at least one node to validate the at least one statement about the user.

Abstract: Users of a multisignature wallet can customize keys to initiate various transactions. As a user specifies roles to customize keys, a smart contract is updated to associate the roles with the keys, where the customized keys are then associated with the user's multisignature wallet. The user may perform transactions by signing using the key or an address of the key, where a transaction can be processed upon verifying the key and its role. Additionally, a privacy service can facilitate blockchain transactions initiated using a key of a multisignature wallet. The privacy service receives a transaction signed by a key of the multisignature wallet and identifies a proxy wallet using the key. The privacy service validates and signs the transaction, which is then sent to a proxy wallet. The proxy wallet can cause a blockchain transaction to be executed.

Abstract: A system and a method are disclosed for using a client that is unsynchronized with a blockchain network to validate blockchain transactions for IoT devices, web apps, mobile apps, and other applications. The client retrieves a register of nodes (acting as information provider or validator) that are synchronized with the blockchain network, selects a node from the register, and transmits an information request to the selected node. The client receives a response to the request, the response including the requested information and validation indicia (e.g., proofs), and determines whether the response is valid based on the validation indicia. The client transmits, in response to determining that the response is valid, a confirmation to the IoT device, web app, mobile app or other applications.

Abstract: Systems and methods for providing a secure custodial service for managing a digital asset. The method comprises receiving a first value for use in decrypting at least one attribute value, receiving the at least one attribute value in encrypted form, and storing, on at least one storage device, the first value and the at least one attributed value in encrypted form, wherein at least one attribute value has been encrypted using a second value and a public key associated with secure hardware, and the second value corresponds to the first value.

Abstract: Systems and methods for validating transactions distributed ledger transactions. In some embodiments, a request may be received to validate a proposed transaction for layer 2 processing for a distributed ledger. In response, a cryptographic configuration involved in the proposed transaction may be identified, and the proposed transaction may be checked against one or more transaction rules of the cryptographic configuration. In response to successfully checking the proposed transaction against the one or more transaction rules of the cryptographic configuration, the proposed transaction may be signed as part of a joint signature process with a validation key associated with the cryptographic configuration.

Abstract: Users of a multisignature wallet can customize keys to initiate various transactions. As a user specifies roles to customize keys, a smart contract is updated to associate the roles with the keys, where the customized keys are then associated with the user's multisignature wallet. The user may perform transactions by signing using the key or an address of the key, where a transaction can be processed upon verifying the key and its role. Additionally, a privacy service can facilitate blockchain transactions initiated using a key of a multisignature wallet. The privacy service receives a transaction signed by a key of the multisignature wallet and identifies a proxy wallet using the key. The privacy service validates and signs the transaction, which is then sent to a proxy wallet. The proxy wallet can cause a blockchain transaction to be executed.