A ring signature allows for secure signing of messages without compromising the anonymity of the signer. Ring signatures are implemented in the cryptocurrency Monero to ensure transactions on its blockchain are private.
How to Leak a Secret
Ronald L Rivest, Adi Shamir, Yael Tauman
Privacy on the Blockchain:Unique Ring Signatures
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- CryptographyCryptography or cryptology is the practice and study of techniques for secure communication in the presence of third parties.
- BlockchainA blockchain is an append-only digital ledger storing a set of time-ordered transactions grouped in blocks that are linked together using cryptographic hashes.
- CryptocurrencyA cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions and to control the creation of additional units of the currency. Cryptocurrencies are a subset of alternative currencies, or specifically of digital currencies.