What are some alternatives?
When comparing MultiMiner and Bitcoin, you can also consider the following products
NiceHash - Bitcoin Cloud Mining
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.
Monero - Monero is a secure, private, untraceable currency. It is open-source and freely available to all.
EOBot - "Cloud" mining and Bitcoin mining
Litecoin - Litecoin is a peer-to-peer Internet currency that enables instant payments to anyone in the world.