With free GH/s (typically 0.01–1 GH/s), you would earn less than $0.001 per day. Most platforms have a minimum payout (e.g., 0.001 BTC), so you’d need years to withdraw anything.
A: Technically, yes. Most free GHS contracts are for SHA-256 (Bitcoin). However, the amount of Bitcoin mined will be extremely small (satoshis). cloud mining with free ghs