Testnet instructions are here: http://doc.tzalpha.net/introduction/alphanet.html
Best I can tell: smart contracts like Ethereum, except the protocol has means for amending the protocol itself? So, meta-Ethereum?
This article (Linda Xie) is pretty good: https://medium.com/@linda.xie/a-beginners-guide-to-tezos-c96...
Apparently they also already have proof of stake?
People are excited about the launch both because of what it is, and because it already had a lot of people contribute to a fundraiser a year ago.
Of course precedent says they'll just hard fork it the moment the "governance" does something the central developers don't want.
My “article of faith” is that one time someone will get this sufficiently right to facilitate a lot of awesome stuff. Based on what I’ve seen, I think Tezos has a good chance of being “it”. People should definitely do their own research, and it isn’t an all-or-nothing trust thing; trust can be built in a network over time and through use.
Due to sudden KYC requirements there is already a fork called "Tezos libre"
It was only after the KYC announcement that TzLibre changed tack to claim it's purpose was anti KYC.
> The Tezos Foundation’s primary focus is the promotion and development of the Tezos protocol and related technologies, as well as the promotion and support of applications using the Tezos protocol.
Should be clear now, right? ;)