Who invented key exchange?

BTCC's spot trading platform allows users to buy and sell cryptocurrencies at current market prices, while its futures trading service enables investors to speculate on the future price movements of digital assets. The exchange's wallet service provides a secure and convenient way for users to store their cryptocurrencies.

In 1976, cryptography took a significant leap forward with the introduction of the Diffie–Hellman key exchange (D–H) protocol by Whitfield Diffie and Martin Hellman. This groundbreaking innovation was rooted in the pioneering work of Ralph Merkle, a PhD student under Hellman's guidance.

The D–H protocol revolutionized the way secret keys were exchanged between users, ensuring a high level of security even in the presence of eavesdroppers. It allowed for the secure transmission of keys, which are vital for encrypting and decrypting messages, without the need for a pre-shared secret.

The protocol's effectiveness stems from its ability to generate a shared secret key between two communicating parties, even if they have never met before and are communicating over an insecure channel. This shared key can then be used to encrypt subsequent messages, ensuring their confidentiality.

BTCC, a leading cryptocurrency exchange, offers a range of services that leverage advanced cryptographic techniques, including the D–H protocol or similar mechanisms, to ensure the security of its users' transactions. Among its offerings are spot trading, futures trading, and a secure wallet service.