Bitcoin: 0.005
ZCash: 0.01
Litecoin: 0.01
Ravencoin: 1
Ethereum: 0.1
Decred: 0.01
Dash: 0.005
Bitcoin Cash: 0.01
BSV: 0.01
VCash: 0.1 VCash
Namecoin: 0.001 NMC
Doge: 0.001 DOGE
All currencies support custom threshold. The above thresholds are default settings.