What is the current halving rate on joincoin. right now were at .5 coins per block as of 1329801.
It will remain 0.5 (+fees) for the end of times (unless a fork comes along):
int64 nSubsidy = 0.5 * COIN;
if (nHeight == 1) nSubsidy = 1400000 * COIN; // IPO block
else
if (nHeight <= 800) nSubsidy = 0.5 * COIN;
else
if (nHeight <= 2000) nSubsidy = 6 * COIN;
else
if (nHeight <= 10000) nSubsidy = 5 * COIN;
else
if (nHeight <= 20000) nSubsidy = 4 * COIN;
else
if (nHeight <= 40000) nSubsidy = 3 * COIN;
else
if (nHeight <= 626200) nSubsidy = 2 * COIN;
else
if (nHeight <= 630000) nSubsidy = 0;
else
if (nHeight <= 1329800) nSubsidy = 1 * COIN;
Source:
https://github.com/pallas1/joincoin/blob/master/src/main.cpp line 1274.