Dead drop

✎ This article/section is a stub — some half-sorted notes, not necessarily checked, not necessarily correct. Feel free to ignore, or tell me about it.

Passing things or communication without having to meet personally - also meaning that if one is tracked, that does not implicate the other as another potential person of interest.

Electronic dead drops are typically short bursts of often-short-range tranmissions (both to be harder to pinpoint or monitor, but also because portable devices had limited range), where the other party knows when and where to listen.

https://www.cryptomuseum.com/covert/deaddrop/index.htm