Mastercard International Incorporated

Avinash Upadhyay

Jaipal Singh Kumawat

A method for improved security in blockchains using quantum key distribution includes: storing a first cryptographic key; establishing a first communication channel with an external device; generating a second cryptographic key over the first communication channel using quantum key distribution; encrypting a data set using the second cryptographic key; generating a blockchain data entry including at least the encrypted data set; and transmitting the blockchain data entry to a blockchain node in a blockchain network causing the blockchain node to verify the blockchain data entry and add the blockchain data entry into a new block added to a blockchain associated with the blockchain network.

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Noida, India

Avinash Upadhyay