US Patent Issued to BILLON SP. Z on June 16 for "Method and system of rescinding access to blockchain data" (Polish Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,657,329, issued on June 16, was assigned to BILLON SP. Z O.O. (Warsaw, Poland).

"Method and system of rescinding access to blockchain data" was invented by Remigiusz Czerwinski (Warsaw, Poland), Andrzej Horoszczak (Warsaw, Poland), Michal Breiter (Warsaw, Poland), Marcin Godniak (Warsaw, Poland) and Jeffrey Deneau (Warsaw, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of rescinding access to a designated block within a blockchain, wherein the designated block contains data encrypted with a content encryption key and is associated with metadata, wherein the metadata for the designated block include an obsolescence lock public key. The me...