Hi,
I have a problem with configuration on nicehash stratum server with Scrypt (port 3333).
I put on my config d=2048 as password, but i receive share with 32 diff or 128 diff or 4096 diff.
I never receive share with the diff I have put

Why ?
Your miner may sometimes work with lower or higher difficulty since the difficultly you set is only a preferred difficulty and the actual difficulty depends on the current orders at NiceHash.com. This is completely normal.