My broker for example where I DCA doesn't make a transaction per buy I make. I made a lot of buys and then when I withdrew to coldstorage all my BTC was sent from a single address. So with that broker, I don't really have a wallet it appears. They likely not have a full reserve.
Perhaps we should introduce a self custody day a year viral campaign, so that everybody is encouraged to take it off exchanges.
January 3rd is a self custody day: https://www.proofofkeys.com (mentioned by @ugmug above too)
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I saw Trace Mayer and got spooked. I don't know a lot about the history to be frank. Heard the guy went nuts on alts.
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