How does the 2nd PC keep a full node whilst staying offline? Just RPC to share block data?
PC2 is disconnected from the internet but communicates with PC1. This means that the only visible peer for PC2 is PC1. PC2 is a cold wallet.
in pc2 bitcoin.conf file
# Connect only to the specified node(s); can be set multiple times. Set to 0 to disable automatic connections. connect=192.168.xxx.xxx:port
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