Since I quoted in this thread above, it has been edited again:
Previous archived version:
Release date: 11PM EST, 18th January 2014 / No premine
X11 hashing algorithm: 11 rounds of scientific hashing functions (blake, bmw, groestl, jh, keccak, skein, luffa, cubehash, shavite, simd, echo)
Block reward is controlled by: 2222222/(((Difficulty+2600)/9)^2)
CPU/GPU mining
Block generation: 2.5 minutes
Difficulty Retargets using Dark Gravity Wave
7% decrease in the number of coins generated per year
Est. ~22M Max Coins
Decentralized Masternode Network
Superior Transaction Anonymity using Darksend
Earliest archived version
Super secure hashing algorithm: 11 rounds of scientific hashing functions (blake, bmw, groestl, jh, keccak, skein, luffa, cubehash, shavite, simd, echo)
Block reward is controlled by moore's law: (11111 / (((Difficulty+51)/6) ^ 2))
CPU only mining
Block generation: 2.5 minutes
Difficulty Retargets every 576 blocks
84 Million Coins Max
Block reward halving every 2 years
What happened before or in between or other versions that weren't archived I have no idea.