Arrow, like Zcash, uses the Equihash mining algorithm. However, Arrow uses an updated version of Equihash called Equihash Heavy (192, 7).
The minimum VRAM for Equihash Heavy is 2.5GB, which will limit ASIC miners and FPGAs from participating in the network and adds a much-needed security enhancement over Zcash.
Current mining pools are:
Solomining instructions with Cnote: