Bitcoin has been scrutinized for its heavy energy consumption all around the world, with China and few companies taking drastic measures. As most of the Bitcoin mining takes place with the help of coal power plants, the carbon footprint it leaves behind is massive. Luckily there are several energy-efficient cryptocurrencies that can be invested in as an alternative for Bitcoin. Also, these cryptocurrencies are on the rise and make up for a great early investment opportunity. Here is a list of the top five energy-efficient cryptocurrencies. Bitcoin Latinum Bitcoin Latinum is one of the most energy-efficient cryptocurrencies that is built on the same ideology as Bitcoin. However, instead of the power-consuming Proof of Work consensus algorithm, Bitcoin Latinum utilized Proof of Stake, which requires the nodes to validate the transaction for mining new currencies. Bitcoin Latinum (LTNM) is a next-gen Bitcoin fork that is greener, faster, and safer than Bitcoin. LTNM aims to bring faster transaction speed, lower costs, and better security to several high-growth markets, including Media, Telecommunications, Gaming, and Cloud Computing. Nano Nano has one of the smallest energy footprints in the crypto ecosystem, of 0.000112 kWh per transaction. Nano does not rely on mining and uses a process that requires low energy that helps it to make quick transactions with no fees. Nano is a relatively new challenger in the crypto ecosystem, wh...