If you have time to read up on the technicals, the following introductory paper (dubbed 'the yellow paper') is highly informative with regards to the technology

If you have time to read up on the technicals, the following introductory paper (dubbed 'the yellow paper') is highly informative with regards to the technology and related work Ethereum is based upon: http://gavwood.com/Paper.pdf http://gavwood.com/Paper.pdf