Bitcoin is an example of cryptocurrency: a new form of digital money not linked to a government or central bank. The technology which makes this possible is the blockchain: a revolutionary new type of ledger for transactions that is owned and maintained by all the users of the system rather than being controlled by a single authority. Cryptocurrency and blockchain technology have some fascinating features that could have a huge impact on charities and charitable giving. Our Giving Thought Programme Leader Rhodri Davis, explores the opportunities and challenges. See the full interactive presentation here: https://prezi.com/8l_g8ty4cp5f/giving-unchained-could-the-blockchain-transform-charity-twb-version/