They reduced the rate and took them from certain activities. Poe seems a good way with the chests. But decoding engrams and looting chests on planets and bounties can earn you a few coins.

They can still be awarded here's some good ways [quote]Strange Coins can be randomly awarded for completing Public Events with a Gold Rating, completing Crucible matches, completing Weekly Nightfall Strikes, decrypting encrypted engrams, opening loot chests in the Prison of Elders, and turning in bounties. And dropped in strike rewards![/quote]