How does the 2nd PC keep a full node whilst staying offline? Just RPC to share block data?
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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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