Run your own ethereum node synced with the Ropsten testnet network. Making sure to keep the node in sync with the blockchain on the network....The "real" ethereum blockchain requires about 50GB of diskspace.
As a result, what are nodes in a Blockchain?
Nodes form the infrastructure of a blockchain. ... They store, spread and preserve the blockchain data, so theoretically a blockchain exists on nodes. A full node is basically a device (like a computer) that contains a full copy of the transaction history of the blockchain.
Just, how many ethereum nodes are there? 8,933 nodes
Ergo, are miners full nodes?
Although not strictly necessary, a miner is a full node(so with complete knowledge of the block chain) which additionally creates new blocks compared to just nodes than only validate information.
What is the function of a full node?
What Is A Full Node? A full node is a program that fully validates transactions and blocks. Almost all full nodes also help the network by accepting transactions and blocks from other full nodes, validating those transactions and blocks, and then relaying them to further full nodes.