The transactions were first flagged by CryptoGround — a service that monitors Mt. Gox’s Bitcoin and Bitcoin Cash wallets. Blockchain data indicates that the coins, which came from multiple addresses, were consolidated into a single Read more…
An address is a public key of any blockchain to which transactions can be sent.
This concept is present in the Bitcoin protocol as well as Ethereum Project and more. A wallet is a collection of private keys that correspond to addresses. A private key is necessary to spend from an address.