Bitcoin (and why it uses SO much energy)


Bitcoin, and the various other cryptocurrencies, have created quite a lot of excitement.

One interesting aspect of these schemes to make the news is how much power is being used in order to maintain Bitcoin's blockchain, with estimates being similar to the electricity usage of small countries. In this talk we'll explain what Bitcoin does, some of its cryptographic components work and how to estimate the amount of energy being used to maintain the blockchain.