Lifespan Binarycdd Zscore Binarycdd Zscore
Bitcoin
This standardizes Aggregate Binary Coin-Days Destroyed into a Z-Score.
Why it matters
It flags when aggregate old-coin spending is unusually high or low versus history.
How it is built
Binary CDD (a spending on/off signal weighted by coin age) is centred and scaled to a Z-Score.
What to watch
High readings mark elevated old-coin movement (distribution); low readings mark dormancy.