I'm not so worried about Moldova, right now, I can't see it being high on a list of priorities for Putin. The Sandu government has been playing a neutrality line very carefully and prior to all this starting seemed to be having reasonable dialogue with the Russians. Moldova has also refused to join sanctions against Russia (presumably for fear of the consequences). I was hoping to do some work in Moldova in the next year or two and maybe an exhibition, well...looks like those plans may be up in smoke.
I did read once that Putin had offered a "deal" whereby the vast majority of Moldova would be "allowed" to join the EU, as long as Transnistria remained under Russian control / was absorbed by Russia.
I have some Ukrainian friends and colleagues who are out of the country, also concerned for some Belarusian opposition folks who had made Kyiv their home after fleeing the dictatorship. What's often overlooked is that a Belarusian civil war may be starting, between free Belarusians volunteering in the defence of Ukraine, and the red/green sheep serving in Lukashenko's forces. Long columns of Belarusian army were observed yesterday on their way to the border.
How they behave and act in Ukraine will be quite telling. People are writing about this invasion being the beginning of the end for Putin; if young Belarusians start coming home in body bags in large numbers, then it is certainly the end for Lukashenko. From national president to contemptuously treated regional governor within a month. A traitor who would literally burn the world to the ground as long as he still gets to call himself "President of the Republic of Belarus".