Listening to this read. nostr:npub1h8nk2346qezka5cpm8jjh3yl5j88pf4ly2ptu7s6uu55wcfqy0wq36rpev, does Bitcoin mining rely on real time availability of Internet access? Or can a block be verified offline and then synced to the block chain periodically (i.e., once per day)?

https://open.spotify.com/episode/2W7MuTETn73GMjJOkCEUES?si=uklow9IhS9qffDS887_ruQ

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I'm guessing the 10 min per block rate plus the bandwidth needed for the block size places a constraint on the latency and throughput needed by a miner.

You need at least the block hashes to keep a miner in sync, but that basically means you only need 32 bytes every 10 minutes.