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A Cryptographically Generated Address (CGA) is an Internet Protocol Version 6 (IPv6) address that has a host identifier computed from a cryptographic hash function. [1] This procedure is a method for binding a public signature key to an IPv6 address in the Secure Neighbor Discovery Protocol (SEND).
A type of Mac malware active in August 2013, Bitvanity posed as a vanity wallet address generator and stole addresses and private keys from other bitcoin client software. [133] A different trojan for macOS , called CoinThief was reported in February 2014 to be responsible for multiple bitcoin thefts. [ 133 ]
A BLS digital signature, also known as Boneh–Lynn–Shacham [1] (BLS), is a cryptographic signature scheme which allows a user to verify that a signer is authentic.. The scheme uses a bilinear pairing:, where ,, and are elliptic curve groups of prime order , and a hash function from the message space into .
Another way ECDSA signature may leak private keys is when is generated by a faulty random number generator. Such a failure in random number generation caused users of Android Bitcoin Wallet to lose their funds in August 2013. [4]
Ethereum Classic addresses are composed of the prefix "0x", a common identifier for hexadecimal, concatenated with the rightmost 20 bytes of the Keccak-256 hash of the ECDSA public key (the curve used is the so-called secp256k1, the same as bitcoin). In hexadecimal, two digits represent a byte, meaning addresses contain 40 hexadecimal digits.
A subdomain of an ISP's domain that is aliased to an individual user account is a vanity domain. Other definitions include: the Free On-line Dictionary of Computing defines it as "A domain you register for the sole purpose of having your own domain so you can have an easily remembered URL and e-mail address", [1]
A black hole [19] e-mail address is an e-mail address which is valid (messages sent to it will not generate errors), but all the received messages are automatically deleted, and never stored or seen by humans. These addresses are often used as return addresses for automated e-mails.
For example, the address joeuser+tag@example.com denotes the same delivery address as joeuser@example.com. The text of the tag may be used to apply filtering, or to create single-use addresses. If available, this feature can allow users to create their own disposable addresses; [7] however, it reveals the user's delivery address to email ...