sbam

>I was evaluating Syncthing for 1-way, append-only phone photo backup, and my Google searches warned me away from this, talking about "unsupported" and "database corruption."

Same here. What do you use instead? I haven't been able to find a good open-source multiplatform project for backups/1-way sync.

>Maybe some people are taking advantage of the anonymity of Monero for illegitimate means.

Zcash focuses on anonymity too.