Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: A system may deliver personalized content to a user. The system may create a user persona based on demographic information and stored clickstream data of the user. The system may learn which functionalities the user typically uses on a webpage, and the system may create a personalized version of the webpage for the user.

Abstract: Systems and methods for transaction authorizations using a distributed database are disclosed. The system may allow registered transaction account holders and merchants to interact and complete transactions according to workflows enforced by smart contracts. The system may include an issuer system that receives a transaction authorization request comprising a merchant ID, a transaction account number, a transaction amount, and a transaction ID. The issuer system may retrieve a merchant public key and a smart contract based on the merchant ID, and a user public key based on the transaction account number. The issuer system may invoke the smart contract by passing the user public key and the transaction ID to the smart contract. The system may propagate transaction data (e.g., the merchant ID, the transaction account number, the payment amount, a transaction status, etc.) to a blockchain network for writing to a blockchain according to the invoked smart contract.

Abstract: A system may deliver personalized content to a user. The system may create a user persona based on demographic information and stored clickstream data of the user. The system may learn which functionalities the user typically uses on a webpage, and the system may create a personalized version of the webpage for the user.

Abstract: Systems and methods for transaction authorizations using a distributed database are disclosed. The system may allow registered transaction account holders and merchants to interact and complete transactions according to workflows enforced by smart contracts. The system may include an issuer system that receives a transaction authorization request comprising a merchant ID, a transaction account number, a transaction amount, and a transaction ID. The issuer system may retrieve a merchant public key and a smart contract based on the merchant ID, and a user public key based on the transaction account number. The issuer system may invoke the smart contract by passing the user public key and the transaction ID to the smart contract. The system may propagate transaction data (e.g., the merchant ID, the transaction account number, the payment amount, a transaction status, etc.) to a blockchain network for writing to a blockchain according to the invoked smart contract.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: The present disclosure involves detecting a first language type of a query configured to access a column in a data table, wherein the query is requested by a user; converting, by the computing device, the query from the first language type to a second language type that conforms with the data storage format of the data table; after converting the query to the second language type, generating, by the computing device, a temporary table including the column and enforcing an access permission by formatting the temporary table to support the second language type and excluding a row from the temporary table for which the user does not have access rights; and executing, by the computing device, the query against the temporary table to generate a query result.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: A system may receive a query configured to access a column in a data table. The data table may be in a flat file in a big data storage format. The system may detect the language type of the query and validate the query against the syntax of the language type. The system may also validate an access permission for data in the data table. The access permission may be stored in a permissions database. The system may generate a temporary table including the column with the temporary table configured to support the language type. The system may execute the query against the temporary table to generate a query result based on the temporary table as though it were the underlying data table. The system may enforce column-level or row-level access permissions by excluding columns or rows from the temporary table.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: Systems and methods for transaction authorizations using a distributed database are disclosed. The system may allow registered transaction account holders and merchants to interact and complete transactions according to workflows enforced by smart contracts. The system may include an issuer system that receives a transaction authorization request comprising a merchant ID, a transaction account number, a transaction amount, and a transaction ID. The issuer system may retrieve a merchant public key and a smart contract based on the merchant ID, and a user public key based on the transaction account number. The issuer system may invoke the smart contract by passing the user public key and the transaction ID to the smart contract. The system may propagate transaction data (e.g., the merchant ID, the transaction account number, the payment amount, a transaction status, etc.) to a blockchain network for writing to a blockchain according to the invoked smart contract.

Abstract: A system for integrating blockchain-enabled shared datasets across databases having varying formats and structures is disclosed. The system may include various entity systems in communication via a peer-to-peer network. A first entity system may receive a dataset update request to update the shared dataset. The first entity system may broadcast the dataset update request across the network, and one or more entity systems connected to the network may consent to the dataset update request. The consenting entity systems may broadcast the consented dataset update request to the other entity systems connected to the network. Each entity system may update its local copy of the shared dataset with the consented dataset update request. Each entity system may comprise a mapping module configured to reformat the consented dataset update request into a format that can be stored in a local data structure.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.

Abstract: A system for integrating blockchain-enabled shared datasets across databases having varying formats and structures is disclosed. The system may include various entity systems in communication via a peer-to-peer network. A first entity system may receive a dataset update request to update the shared dataset. The first entity system may broadcast the dataset update request across the network, and one or more entity systems connected to the network may consent to the dataset update request. The consenting entity systems may broadcast the consented dataset update request to the other entity systems connected to the network. Each entity system may update its local copy of the shared dataset with the consented dataset update request. Each entity system may comprise a mapping module configured to reformat the consented dataset update request into a format that can be stored in a local data structure.

Abstract: A transaction system and process using a token smart contract is disclosed. The system may receive a transfer notification comprising a user public blockchain address, a merchant public blockchain address, and a transaction amount. The system may retrieve a transaction account identifier and a merchant identifier based on the user public blockchain address and the merchant public blockchain address. The system may adjust a transaction account balance associated with the user identifier based on the transaction amount. The system may credit a merchant account based on the transaction amount.

Abstract: Systems and methods for fraud management using a distributed database are disclosed. The system may receive a payment request and generate a payment request hash by cryptographically processing the payment request using a hashing algorithm. The system may invoke a fraud reporting smart contract by passing the payment request hash and a public blockchain address to the fraud reporting smart contract. The system may query a local blockchain database to locate a fraud report matching the payment request hash to determine whether the payment request has been previously reported as fraud. In response to the payment request hash not matching the fraud report, the fraud reporting smart contract is configured to write the payment request hash to the blockchain as a second fraud report.

Abstract: A system may read an input file having an input file size and including a first record and a second record. The first and second record may each have a record length. The system may parse the input file into a first split file and a second split file, with the first split file including the first record and the second split file including the second record. The system may distribute the first split file to a first node to generate a first output file and the second split file to a second node to generate a second output file. Any number of additional split files may be distributed to generate any number output files. The system may combine the output files to generate a converted data file.

Abstract: A single sign-on system using blockchain is disclosed. The single sign-on system may interconnect various organization systems over a peer-to-peer network, with each organization system having a blockchain node and an application programming interface (API). The blockchain node invokes and uses a smart contract to write registration credentials to the blockchain during a registration process. During a login process, the blockchain node invokes the smart contract to determine whether login credentials match stored login credentials in the blockchain. In response to matching login credentials, the API may generate a single sign-on token that can be used by a user device to access one or more organization systems connected over the network.