If wallet X sends one bitcoin to wallet Y, it is assumed that the former is spending or selling coins to the latter. If the value at which X moved coins to Y was higher than at acquisition, X is said to have realized profit.
If wallet X sends one bitcoin to wallet Y, it is assumed that the former is spending or selling coins to the latter. If the value at which X moved coins to Y was higher than at acquisition, X is said to have realized profit.