This is a fascinating idea, especially for NYSC members and remote workers who often lack the established local community networks that usually make pet care easier. Using blockchain to create an immutable, transparent vetting system could definitely solve the trust gap, as a decentralized reputation score that follows a sitter across state lines would be far more reliable than fragmented local reviews. A crypto-incentivized model where sitters stake tokens to prove their commitment could also provide a layer of financial security, effectively acting as an insurance policy for pet owners. However, the biggest hurdle will be user adoption and the physical safety of the animals, as even the best technology cannot replace the need for physical inspections and real-world vetting. If you can bridge that gap between digital trust and on-the-ground verification, you might be onto something that genuinely addresses a major pain point for mobile professionals.