Casper Finality Cadget feedback

% Context: https://ethresear.ch/t/latest-casper-basics-tear-it-apart/151/26, 
% https://ethresear.ch/uploads/default/original/1X/fdbebd67c8a9671efabf4e53d6267789cd91d96c.pdf
% https://web.archive.org/save/https://ethresear.ch/uploads/default/original/1X/fdbebd67c8a9671efabf4e53d6267789cd91d96c.pdf

PPCoin
note = "\url{https://web.archive.org/save/https://decred.org/research/king2012.pdf}",

Blackcoin
note = "\url{https://web.archive.org/save/http://blackcoin.co/blackcoin-pos-protocol-v2-whitepaper.pdf}",

Bentov
url = "http://www.cs.technion.ac.il/~idddo/CoA.pdf",
note = "\url{https://web.archive.org/save/http://www.cs.technion.ac.il/~idddo/CoA.pdf}",

Castro
url = "http://pmg.csail.mit.edu/papers/osdi99.pdf",
note = "\url{https://web.archive.org/save/http://pmg.csail.mit.edu/papers/osdi99.pdf}",

Kwon
note = "\url{https://web.archive.org/save/https://tendermint.com/static/docs/tendermint.pdf}",

@Article{nakamoto2008bitcoin,
	url = "http://nakamotoinstitute.org/bitcoin/",
	note = "\url{https://web.archive.org/web/20171026231027/http://nakamotoinstitute.org/bitcoin/}",
	author = {Nakamoto, Satoshi},
	title = {{Bitcoin: A peer-to-peer electronic cash system}},
	journal = {{Consulted}},
	volume = {{1}},
	pages = {2012},
	year = {{2008}},
}

Buterin
note = "\url{https://web.archive.org/web/20171026232456/https://medium.com/@VitalikButerin/minimal-slashing-conditions-20f0b500fc6c}",

@misc{cryptoeprint:2013:881,
    author = "Sompolinsky, Yonatan
and Aviv Zohar",
    title = {{Accelerating Bitcoin's Transaction Processing. Fast Money Grows on Trees, Not Chains}},
    howpublished = {Cryptology ePrint Archive, Report 2013/881},
    year = {2013},
    url = "http://eprint.iacr.org/2013/881",
    note = "\url{https://web.archive.org/web/20171019101138/https://eprint.iacr.org/2013/881}",
}