I would definitely seal the block with some type of moisture blocking anti-microbial coating. Basements are mold incubators. I don’t know what your budget is, but if it were mine, I would seal the block, spray all with closed cell foam insulation, then paint the exposed foam and studs/joist.
"Pain, or damage don't end the world — or despair, or fu**in' beatings. The world ends when you're dead. Until then, you got more punishment in store. Stand it like a man, ......and give some back." -Al Swearingen
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