How much does a Bitcoin node cost?

Unlike mining, running a bitcoin node is not very costly (it’s typically in the $150-400 range ). However, nodes are equally if not more important than miners in achieving decentralization. The roles of nodes are to: Validate transactions.

A Raspberry Pi has enough processing power to operate a Bitcoin node and only costs about $50 .

7 nodes (servers/computers), all connected to each other, running a blockchain together.5 Eyl 2018