Amazon wins patent for proof-of-work cryptographic system

posted 2 months ago
Tech giant Amazon has been granted a patent for various techniques to build a proof-of-work (PoW) cryptographic system similar to Bitcoin’s. The patent deals with verification of data sent between computers & peer-to-peer networks such as blockchains, to ensure blocks are not falsified.

“The [PoW] challenge may include a message and a seed, such that the seed may be used at least in part to cryptographically derive information that may be used to generate a solution to the challenge." Amazon said "Requiring a valid proof-of-work may mitigate a DOS or DDOS attack by causing the participants of the DOS or DDOS attack to generate a valid proof-of-work solution…” The patent also mentions a “cryptographic key” “digital signature” & “public signing key.” However, the patent does not directly discuss Bitcoin.
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