Returning to the marriage analogy, before saying “I do,” you and your bride/groom have the freedom to abort the transaction by saying “No way!” (or something to that effect). However, after saying “I do,” you cannot retract that statement. If you faint after saying “I do” and you don’t hear the minister speak the words “You are now husband and wife,” that doesn’t change the fact that the transaction was committed. When you recover consciousness later, you can find out whether you are married or not by querying the minister for the status of your global transaction ID, or you can wait for the
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