Quantumproof blockchain

A blockchain and certificate technology, applied in quantum computers, user identity/authority verification, instruments, etc.

Pending Publication Date: 2020-07-24
丁津泰
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  • Description
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AI Technical Summary

Problems solved by technology

This could prove to be even more catastrophic when quantum computers become available, allowing quantum adversaries to manipulate the network in a number of ways to steal coins

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Embodiment Construction

[0021]With the momentum Bitcoin is currently gaining, it becomes necessary to analyze and understand the security of Bitcoin and other cryptocurrencies (or "coins") in their current state and into the future. Cryptographic algorithms used today are secure based on the intractability of mathematical problems that classical computers cannot solve in polynomial time, but this assumption changes with the advent of quantum computers. Currently, the digital signature algorithm used by Bitcoin is the elliptic curve digital signature algorithm (ECDSA) with the secp256k1 curve introduced below. The secp256k1 curve is secure based on the discrete logarithm problem. With the help of quantum computers, Schur's algorithm is known to solve the discrete logarithm problem in polynomial time, thus breaking the security of ECDSA and thus affecting Bitcoin. Another concern with Bitcoin is address reuse, which can be exploited to de-anonymize Bitcoin users because transactions are broadcast publi...

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Abstract

Bitcoins and the underlying blockchain technology are one of the main innovations in building decentralized applications. The effects of quantum computing on this technology are analyzed in general. Provided herein are effective solutions to address security vulnerabilities in a blockchain-based system that can be exploited by a quantum attacker.

Description

[0001] Cross-references to related patent applications [0002] This application claims U.S. Provisional Application No. 62 / 684,848 "Quantumproof Blockchain" filed on June 14, 2018, U.S. Provisional Application No. 62 / 593,741 "Quantumproof Blockchain" filed on December 1, 2017, and the Priority to U.S. Provisional Application No. 62 / 567,879, Quantumproof Blockchain, which is hereby incorporated by reference in its entirety for any and all purposes. technical field [0003] The disclosed invention belongs to the field of block chain technology and encrypted currency. Background technique [0004] In recent years, cryptocurrencies have grown in importance due to a number of desirable characteristics. While bitcoin is widely considered the first cryptocurrency, others include ethereum, which focuses on smart contracts, and litecoin, which is a fork of the bitcoin chain and executes Faster block generation. Bitcoin (and other cryptocurrencies or "coins") utilize the concept o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06Q20/06G06Q20/40G06Q40/04H04L9/32H04L9/08H04L9/00
CPCH04L9/006H04L9/0852H04L9/3236G06Q20/065G06Q20/3827G06Q20/401G06Q2220/00H04L9/3239H04L9/3026H04L9/50G06N10/00H04L9/3093H04L9/3242H04L9/3247H04L2209/56
Inventor 丁津泰丁阳行
Owner 丁津泰
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