Patents by Inventor Moritz Schneider

Moritz Schneider has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system of preserving privacy for usage of lightweight blockchain clients
    Patent number: 11303445
    Abstract: A method of preserving privacy for usage of a lightweight blockchain client in a blockchain network includes using, in a full blockchain node of the blockchain network, a trusted execution environment (TEE). A secure communication is established between the lightweight blockchain client and the TEE. The TEE receives a request from the lightweight blockchain client for at least one transaction or address of the lightweight blockchain client. The TEE obtains unspent transaction output (UTXO) information with respect to the request from the lightweight blockchain client from a UTXO database by oblivious database access using an oblivious RAM (ORAM) protocol.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: April 12, 2022
    Assignee: NEC CORPORATION
    Inventors: Sinisa Matetic, Karl Wuest, Moritz Schneider, Kari Kostiainen, Ghassan Karame, Srdjan Capkun
  • METHOD AND SYSTEM OF PRESERVING PRIVACY FOR USAGE OF LIGHTWEIGHT BLOCKCHAIN CLIENTS
    Publication number: 20200328889
    Abstract: A method of preserving privacy for usage of a lightweight blockchain client in a blockchain network includes using, in a full blockchain node of the blockchain network, a trusted execution environment (TEE). A secure communication is established between the lightweight blockchain client and the TEE. The TEE receives a request from the lightweight blockchain client for at least one transaction or address of the lightweight blockchain client. The TEE obtains unspent transaction output (UTXO) information with respect to the request from the lightweight blockchain client from a UTXO database by oblivious database access using an oblivious RAM (ORAM) protocol.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 15, 2020
    Inventors: Sinisa Matetic, Karl Wuest, Moritz Schneider, Kari Kostiainen, Ghassan Karame, Srdjan Capkun