[CydeWeys]

It works for this use case. Radio contact logging is based on the honor system, and a contact is valid if both ends log it.

Currently it's a centralized database that anyone can input data into. In this use case you'd simply decentralize the DB.

Blockchains are needed in cryptocurrencies to prevent the double spend problem. There's no double spend problem in logging radio contacts. The incentives to attack are much less too, because there's no value to steal.

[root_axis]

Hmm. I see your point.