Hoping you might answer this question for me on how chain analysis calculates which coins are old or new on a given wallet.
Ex.
If I have a wallet with 10 BTC that was funded over 5 years with 100's of utxo's. Never more than 1 BTC in one spend from exchange.
Then I send 2 BTC.... How does it pull from that list of utxo's?
Most recent? Leaving the five year old 'coins' to be registered as unmoved?
I realize a hardware wallet most likely has multiple wallets its keys access. Just simplifying the example a bit.