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  2. Financial cryptography - Wikipedia

    en.wikipedia.org/wiki/Financial_cryptography

    Financial cryptography includes the mechanisms and algorithms necessary for the protection of financial transfers, in addition to the creation of new forms of money. Proof of work and various auction protocols fall under the umbrella of Financial cryptography. Hashcash is being used to limit spam. Financial cryptography has been seen to have a ...

  3. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized:kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [ 1 ]), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [ 2 ]

  4. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    Main article: Cryptocurrency wallet. A cryptocurrency wallet is a means of storing the public and private "keys" (address) or seed, which can be used to receive or spend the cryptocurrency. [ 86 ] With the private key, it is possible to write in the public ledger, effectively spending the associated cryptocurrency.

  5. Digital currency - Wikipedia

    en.wikipedia.org/wiki/Digital_currency

    Digital currency (digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency.

  6. History of cryptography - Wikipedia

    en.wikipedia.org/wiki/History_of_cryptography

    History of cryptography. Cryptography, the use of codes and ciphers to protect secrets, began thousands of years ago. [1] Until recent decades, it has been the story of what might be called classical cryptography — that is, of methods of encryption that use pen and paper, or perhaps simple mechanical aids.

  7. Whitfield Diffie - Wikipedia

    en.wikipedia.org/wiki/Whitfield_Diffie

    Bailey Whitfield 'Whit' Diffie ForMemRS (born June 5, 1944) is an American cryptographer and mathematician and one of the pioneers of public-key cryptography along with Martin Hellman and Ralph Merkle. Diffie and Hellman's 1976 paper New Directions in Cryptography[5] introduced a radically new method of distributing cryptographic keys, that ...

  8. Bibliography of cryptography - Wikipedia

    en.wikipedia.org/wiki/Books_on_cryptography

    Bibliography of cryptography. (Redirected from Books on cryptography) Johannes Trithemius ' Polygraphiae (1518) is the first printed book on cryptology. Books on cryptography have been published sporadically and with highly variable quality for a long time. This is despite the tempting, though superficial, paradox that secrecy is of the essence ...

  9. Quantum cryptography - Wikipedia

    en.wikipedia.org/wiki/Quantum_cryptography

    Quantum cryptography is the science of exploiting quantum mechanical properties to perform cryptographic tasks. [1] [2] The best known example of quantum cryptography is quantum key distribution, which offers an information-theoretically secure solution to the key exchange problem.