Thanks for this input, I'll study that.
What's the hardware advantage of a cold wallet, like nostr:nprofile1qqs9500z3l7sn46sdnls5fnjm0d3lqmrq7707qshes2y7j8pnm4rllcpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtclyt6rh or any other device that looks like it's related to #Bitcoin and might draw undesired attention e.g. at airports or crossing international borders vs a self made simple USB wallet based on tailOS, as described in the article below?
And if there is any hardware advantage why not engineer the cold wallet with the most simple look of a standard USB stick or hard disk to avoid unnecessary attention?
Maybe Low-key is the secret key!
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