How many coins (approximately) have been mined up to this point? Can I get an estimate?
13,320,438 SMC
http://coinmarketcap.com/all.html we are the second big stage -
Block 200,000 - 399,999: 32 SMC
Difficulty - 0.79892477 - good for solominig
Price -
https://www.cryptsy.com/markets/view/158/BLOCK REWARDS INFORMATION:
PoW Algorithm: Scrypt
Block Interval: 30 seconds
Difficulty Retarget: Every Block (Digishield)
Block 1: 400,000 SMC
Block 2 - 999: 1 SMC
Block 1000 - 199,999: 64 SMC
Block 200,000 - 399,999: 32 SMC
Block 400,000 - 799,999: 16 SMC
Block 800,000 - 1,199,999: 10 SMC
Block 1,200,000 - 1,599,999: 8 SMC
Block 1,600,000 - 1,999,999: 6 SMC
Block 2,000,000 - 2,399,999: 5 SMC
Block 2,400,000 - 3,199,999: 4 SMC
Block 3,200,000 - 3,999,999: 3 SMC
Block 4,000,000 - 6,399,999: 2 SMC
Block 6,400,000 - 12,799,999: 1 SMC
After block 200,000, the formula for reduction is the following:
f(x) = floor(32 / floor((x + 400,000) / 400,000)), where x is the block number