Those are watch-only addresses gathered by "notary" account. Notary addresses are part of dPoW solution and they support wallet to perform block notarization and choose always valid chain.
Those transactions do not have any relation with your transactions and cannot affect your funds.

Lightsaber wallet is using watch-only addresses to monitors notary transactions and blocks that are notarized. It is a part of dPoW mechanism. It cannot affect your funds.
We are working on solution to hide those transactions from users and do not bother them with those type of information.