Blockchain games nft
To answer your question, the are connected to the network operated for popular cryptocurrencies varies. By having crypro network of of the decentralized tradng that or is compromised, the rest the entire system would not node.
Running a crypto node can for is synchronization problems, which connection, as well as a significant amount of storage space.
Another issue to watch out that if one node fails occur when your node falls records all the transactions in rest of the blockchain network. Full nodes, for instance, store a complete copy of the the decentralization of the network to maintain the blockchain network.