ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,968, issued on May 13, was assigned to Chia Network Inc. (San Francisco).
"Methods for extending a proof-of-space-time blockchain" was invented by Bram Cohen (San Francisco), Krzysztof Pietrzak (San Francisco) and Mariano Sorgente (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for extending a blockchain comprises, at a space server: allocating an amount of drive storage for generating proofs-of-space; or accessing a first challenge based on a prior block of the blockchain, the prior block comprising a first proof-of-space and a first proof-of-time; in response to accessing the first challenge, generating a second proof-of-spa...