Ethereum. Blockchain. Hyperledger. Bitcoin. Dogecoin. The last few years have seen new technologies, terminologies, and approaches have flooded the software market. We’ve seen the impact this has had on software development, finance, logistics, and many other areas where content management is key to success. But there is still confusion about these terms and, for many environmentally-conscious people, suspicion about their environmental performance. So what is the difference, and how can we use blockchain properly, avoid greenwashing and make a positive difference in the fight against climate change using these new software tools?