Output linking
Also covering Address reuse, Dust attacks, Reuse avoidance
Output linking, also called address reuse, occurs when a user receives two or more payments to the same public key or other unique script element. This may happen because the user reuses an address out of ignorance or as the result of deliberate targeting, as in a dust attack. Methods for limiting the loss of privacy from output linking fall under the category of reuse avoidance.
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