ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,330, issued on Nov. 25, was assigned to Brightstar Global Solutions Corp. (Providence, R.I.).

"Blockchain-based smart contract instant lottery ticket" was invented by Gianluca Ragnoni (Rome), Fabrizio Battini (Rome), Emanuele Martire (Rome) and Thomas K. Oram (Hudson, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ticket issuer server provides a digital instant lottery ticket, such as a smart contract instant lottery ticket (SILT) on a digital ledger, such as a blockchain infrastructure that supports execution of smart contracts. The ticket issuer server obtains an encryption key from a key issuer, encrypts a prize code with the encryption k...