00:0600:06, 23 January 2015diffhist−1,185
Proof of stake
Who is Alexander Chepurnoy? Are his findings peer reviewed? By whom? It isn't appropriate to put "Alexander Chepurnoy claims..." when he is an unknown individual
23:5423:54, 22 January 2015diffhist−429
Nxt
Strangely worded, you can't build blocks "in" a fork by nature of hashing security, uncited. I replaced it with a core developers self-published paper on Nothing at Stake and worded it to reflect that.
23:4023:40, 22 January 2015diffhist−184
Nxt
Vitalik isn't a reliable source, NOR. Reflected whitepaper-blocks. Removed sentence citing multibranch forging, pseudonymous papers posted on scribd aren't reliable sources along with the following uncited sentence.
23:2623:26, 22 January 2015diffhist−99
Proof of stake
this sentence is wrong in so many ways. According to the citation 16 gallons of gas weren't burned by Bitcoin, it was burned by MegaBigPower. Also, Bitcoin doesn't run on gas, one must qualify the statement by saying it pollutes as much as that amount gas
17:3717:37, 22 January 2015diffhist−14
Peercoin
Decentralized isn't an adjective that can describe inflation that is constant (and it isn't in the cited pages phrased that way).
19:0819:08, 20 December 2014diffhist−26
Andreas Antonopoulos
cited article doesn't state he is a computer security expert, just that he blogs about it. He has no credentials as a computer security expert.