sold at auction to mystery buyers". BIS 2018 Annual Economic Report. "Why the bitcoin craze is using up so much energy". Archived (PDF) from the original on Retrieved 2 mit katzenzucht geld verdienen November 2014. When a user sends bitcoins, the user designates each address and the amount of bitcoin being sent to that address in an output. 2014 ieee Symposium on Security and Privacy.
Users can tell others or make public a bitcoin address without compromising its corresponding private key. Wallet files can be encrypted on many software wallets by adding a password. Archived from the original on Retrieved b Jason Mick. Retrieved 28 November 2014. Some wallets allow private keys to be imported without generating any transactions while other wallets or services require that the private key be swept.