New patents are issued by the USPTO on Tuesdays. Both of today's Spotlight Patents continue our theme of blockchain (smart contracts, distributed ledgers) and rights management broadly construed. Assigned to Coinfirm Blockchain (PL), the first patent addresses methods for registration of data in a blockchain database and a method for verifying data. Assigned to Alibaba, the second patent addresses techniques for identifying copyrighted material using embedded copyright information.
10,754,848, "Method for registration of data in a blockchain database and a method for verifying data," assigned to Coinfirm Blockchain Lab Sp. Zo.o. (PL)
The invention comprises a method for registration of data in a blockchain database, in which database transactions are constructed of standard data containers which may have a fixed size, in a system comprising one or more storage nodes for storing at least part of the blockchain database, one or more approval nodes for approving transactions in said blockchain database and a first computer for generating transactions in said blockchain database, said computer having access to said blockchain database and having access to a first private key. The invention further comprises a method for verifying data based on the aforementioned method for registration and a computer program product comprising program code stored on a computer readable medium, said program code comprising computer instructions for performing the method.
10,755,252, "Identifying copyrighted material using embedded copyright information," assigned to Alibaba.
A method includes generating, by a computing device, a unique identifier (ID) based on copyright information associated with the textual content, wherein the copyright information and the textual content are recorded on a blockchain of a blockchain network; identifying, by the computing device, one or more attributes associated with fonts used in the textual content; and embedding, by the computing device, the unique ID in the textual content by changing the one or more attributes associated with the fonts to be representative of the unique ID, wherein the embedding produces information-embedded text enables retrieval of the copyright information from the blockchain based on the unique ID, and wherein a visual difference between the textual content and the information-embedded text is not apparent to an unaided human eye.