OPSEC: How can cave dude secure his bitcoin?
nostr:nevent1qqsgtt838u4gxm3fryjh8xac57u99g285csz5k839xagnvlsytp4kscppemhxue69uhkummn9ekx7mp0qgsr7acdvhf6we9fch94qwhpy0nza36e3tgrtkpku25ppuu80f69kfqrqsqqqqqpm6p46v
A cold wallet.
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He has no technology. So it can't be a traditional hardware wallet.
Use a stone plate (instead of steel plate) to engrave seed phrase. Use smoke signals to send txs
Now we're talking. This could actually be done. It would just take a very, very long time to broadcast.
He should just sell some and buy a cold wallet and a solar panel.
Hardware!
