Last-active + cumulative dormant — Addresses last active per bucket and cumulative dormant
Address dormancy tracks address-level activity on Bitcoin: Last-active + cumulative dormant. It provides a practical, though imperfect, proxy for network participation and adoption.
Use sustained growth or contraction as the signal and compare it with transactions and fees. One-day moves are often caused by wallet batching or exchange operations.
An address is not a person or an account. A single user can control many addresses, while a service can aggregate activity for many users.