No, blockchain assets can be confiscated. Maker, Aave, confiscate and liquidated billions of assets in the past few days.
Smart contracts are Turing complete and you can build anything with it. You can even build an opt-in judiciary system with the power to reverse transactions.
I think you'll be pleasantly surprised if you look at how DeFi actually works.
No, Maker & Aave haven't confiscated anything in the past few days. Either you don't know what 'confiscate' means or you don't know how Maker & Aave, and DeFi lending in general, work.
Smart contracts are Turing complete and you can build anything with it. You can even build an opt-in judiciary system with the power to reverse transactions.
I think you'll be pleasantly surprised if you look at how DeFi actually works.