A method for facilitating the exchange of a stable cryptocurrency collateralized by government-issued debt. First granularity parameters are received through a first wallet interface of a first digital wallet. A first restricted use key is generated based upon the first granularity parameters and provided to an owner of a second digital wallet. A second restricted use key is generated based upon second granularity parameters received through a second wallet interface associated with the second digital wallet. Information from a blockchain wallet is accessed using the second restricted use key wherein the information relates to one or more of an ID classification and risk score of the second wallet owner at a level of detail determined by the second granularity parameters. An indication to proceed with a transaction between the first digital wallet and the second digital wallet may then be received through the first wallet interface.

A method for delivering encrypted data through a blockchain with limited transferability includes: receiving, by a receiver of a blockchain node, a transfer submission including at least a transfer token, a recipient address, and an encrypted data message; determining, by a processor of the blockchain node, a number of past transfers for the transfer token in a blockchain associated with a blockchain network that includes the blockchain node; validating, by the processor of the blockchain node, that the transfer token is eligible for an additional transfer based on at least the number of past transfers; generating, by the processor of the blockchain node, a blockchain data value including at least the encrypted data message, the transfer token, and the recipient address; and transmitting, by a transmitter of the blockchain node, the generated blockchain data value to one or more additional nodes included in the blockchain network.

A cyber-security improvement platform database may store electronic records including information, received from remote submitting devices, associated with vulnerability data for computing elements. Information associated with first vulnerability data for a first computing element may be retrieved from the database and verified. Information about the first vulnerability data may then be recorded in a secure, distributed transaction ledger, and a crypto-currency payment may be transferred in connection with the recorded information. Similarly, the electronic records may further include fix data for computing elements. In this case, first fix data associated with the first vulnerability data may be retrieved, verified, and applied in connection with the first computing element. Additional information, about the first fix data, may then be recorded in the transaction ledger and an additional crypto-currency payment may be transferred in connection with the recorded additional information.

A method of generating electronic monetary tokens (tokens) on a server that supports transmission of the tokens between third parties by means of a Uniform Resource Identifier (URI) and also prevents double spending of the tokens. The tokens are represented by a substring of a Uniform Resource Identifier (URI), which identifies a resource in a network. As a payment request the substring comprises an indicator of price. As a payment for a resource the substring comprises a set of tokens and a buyer's unique identifier. On receipt of the tokens and before releasing the resource to the buyer the seller requests an indication from the server that the buyer owns the tokens thus preventing double spending of the tokens. Preferably, the URI is a Uniform Resource Locator (URL).

Embodiments relate to methods, systems, devices, and computer readable medium for managing digital assets, such as cryptocurrencies and public key and private key pairs. The method may include forming a first payload (or the owner payload). The first payload may include the public key of the digital asset or a corresponding public address for the public key of the digital asset. The method may also include performing a proof of ownership setup process for an owner of the digital asset. The proof of ownership setup process may include generating a proof of ownership hash. The proof of ownership hash may be generated by hashing at least the first payload. The method may also include signing, using the private key of the digital asset, the proof of ownership hash to arrive at a signed proof of ownership hash.

Systems and methods for managing a set of electronic assets from a single location are disclosed. The method includes providing a portal with a network security access control. The method includes determining that login credentials input to the access control are associated with a set of electronic assets corresponding to a plurality of third-party computing systems with application programming interface (API) gateways configured to accept an API call directed to changes in functionality of the electronic assets. The method includes presenting, via the portal, a virtual icon to identify a coordinated action with respect to the set of electronic assets and, in response to a selection of the virtual icon, executing a set of API calls that include an asset-specific API call to each third-party computing system in the plurality of third-party computing systems to implement the coordinated action on all electronic assets in the set of electronic assets.

Disclosed herein are systems, methods, and devices for transaction methods for mobile wallet operations in a casino. Various embodiments are directed to applying funds to a user's mobile wallet by transactions at a kiosk, cage, Peripheral System, or other system of the casino. Embodiments are also directed to applying credit to an electronic gaming machine of the casino. Embodiments are also directed to returning or redeeming credit from an electronic gaming machine of the casino to the user. Embodiments are also directed to transferring credit from a mobile wallet to external funds.

System and method for creating, buying, and selling universal asset tokens that represent one or more assets.

A system, computer-readable storage medium and method provide a secure transaction by receiving, from a mobile wallet a request to assign a vendor specific payment account identifier (VSPAI) to a payment account identifier (PAI) associated with a user of the mobile wallet. Identifying information is verified of: (i) an issuer of the PAI, (ii) a specific vendor; and (iii) the user of the mobile wallet. In response to verifying, a unique VSPAI is created that is associated with the PAI of the user and the specific vendor. Then, when a payment request is received including the unique VSPAI for a transaction with a particular vendor, the particular vendor is verified as the specific vendor associated with the unique VSPAI. In response to verifying that the particular vendor, payment of the transaction by the issuer using the PAI associated with the unique VSPAI is facilitated.

A method for creating a large number of non-fungible tokens on the Ethereum blockchain, wherein the method includes the steps of determining the number of tokens to create in a batch, minting a batch of non-fungible tokens by identifying a token identifier of the first token in the batch (the FROM value) and the last token in the batch (the TO value), emitting a single event for the creation of the batch of non-fungible tokens, and saving the event in an ownership database that is external to the blockchain in order to determine ownership of tokens in the Ethereum blockchain.