To clarify, when you say bloodstain do you mean the online feature that shows you where other people died, or do you mean retrieving your echoes after death? Because the latter is definitely in there, both in puddle and glowing-eye forms! I do think they may disappear sometimes when moving between areas tho, I forgot to grab mine from the first werewolf and they weren't there when I went back. But I've died a few other times and retrieved them! If it's the online you're talking about tho never mind me
Interesting, I wonder if that's a glitch in your game somehow? I just got myself killed by the fella near the great bonfire lamp and sure enough my echoes went into one of the enemies down on the street. I only saw one loose bloodstain but I've seen glowy eyes several times. That's very mysterious! I don't have any solution unfortunately but rest assured it is supposed to be there, maybe it's something to do with the area transitions? I hope it starts working for you, you deserve your blechos! (And hahaha yah can you imagine how much work online would be? Plus totally not ps1)