US Patent Issued to Akamai Technologies on Dec. 16 for "Proof of work as an authorization signal" (Massachusetts Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,898, issued on Dec. 16, was assigned to Akamai Technologies Inc. (Cambridge, Mass.).

"Proof of work as an authorization signal" was invented by Charles E. Gero (Quincy, Mass.), Vishal A. Patel (Billerica, Mass.) and David Tang (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for implementing Proof of Work (PoW) as an authorization signal are provided in a multi-node distributed operating environment wherein a set of authorization proxies are used to control access to protected resources. Each authorization proxy is enabled to provide PoW challenges to requesting clients. The methods enforce the constraint that PoW can only be...