Bitcoin miners use their computing powers to solve cryptographic puzzles which, in turn, build up the blockchain by adding blocks of transactions. This process is fundamental to how Bitcoin transactions are authorised in the absence of a central authority, although the energy consumption involved has raised concerns. Now a new threat to the blockchain is […]
This independent guide walks you through the setup of Jaxx, a popular and free software wallet. Cryptocurrencies like Bitcoin are held in wallets, which hold the public and private keys required for transactions. A wallet can take the form of a downloadable app, a piece of specialist hardware or simply a piece of paper.