## What is/are Quantum Blind?

Quantum Blind - An ingenious quantum blind signature scheme with cluster states based on quantum walk cryptosystem is proposed, in which the keys are generated with quantum walks.^{[1]}Motivated by the block encryption and quantum Fourier transfer, a quantum blind signature scheme is proposed.

^{[2]}Owing to the unconditional security, the quantum blind signature is more advantageous than the classical one.

^{[3]}At the same time, combined with the needs of real life in e-commerce, this paper proposes a quantum blind signature protocol suitable for electronic cash payment scenarios.

^{[4]}To improve the security performance of blockchain smart contracts against quantum attacks, a smart contract based on light-weighted quantum blind signature is proposed here.

^{[5]}We present an arbitrated quantum blind signature scheme by entanglement swapping, which is simplified from the preparation and operation of the quantum states.

^{[6]}At the same time, combined with the needs of real life in e-commerce, this paper proposes a quantum blind signature protocol suitable for electronic cash payment scenarios.

^{[7]}

## quantum blind signature

An ingenious quantum blind signature scheme with cluster states based on quantum walk cryptosystem is proposed, in which the keys are generated with quantum walks.^{[1]}Motivated by the block encryption and quantum Fourier transfer, a quantum blind signature scheme is proposed.

^{[2]}Owing to the unconditional security, the quantum blind signature is more advantageous than the classical one.

^{[3]}At the same time, combined with the needs of real life in e-commerce, this paper proposes a quantum blind signature protocol suitable for electronic cash payment scenarios.

^{[4]}To improve the security performance of blockchain smart contracts against quantum attacks, a smart contract based on light-weighted quantum blind signature is proposed here.

^{[5]}We present an arbitrated quantum blind signature scheme by entanglement swapping, which is simplified from the preparation and operation of the quantum states.

^{[6]}At the same time, combined with the needs of real life in e-commerce, this paper proposes a quantum blind signature protocol suitable for electronic cash payment scenarios.

^{[7]}