A good summary of Ethereum. Assumes some familiarity with cryptocurrencies, but goes over all the aspects without going into too much detail.
Ethereum has been gaining a lot fo traction in the last two years, especially with the platform it has created for initial coin offerings that many startups have been using to finance themselves (and scammers have been using to enrich themselves). This is a project that is exploring all the beneifts and pitfalls of decentalized “smart contracts” and usally on the side of moving fast and taking big risks. Dramatically different from regulated industry and the banking sector, and with the complexity of the technology and systems involved the number of disasters and exploits is pretty high. Still works well to test out the systems and fix vulnerabilities despite the financial risks.