Each computer, or device, that stores blocks is called a node. A laptop, a smartphone, a tablet—any of these can be a node. Nodes are connected to one another in a network. (Think of a spider web.) When a digital transaction takes place, the block goes to all the devices on the network. The transaction is approved when the devices on the network see that the block was created with cryptocurrency that’s never been used before. Based on the context of the paragraph, what is the most likely meaning of the word network?

a system of interconnected devices

a group of machines linked by wire

an organization of people working together

a chain of communication among individuals