Are you just implementing your own version of Simplified Payment Verification?
There is a lot of discussion out there already on the vulnerabilities of this.
I've never looked at Simplified Payment Verification, but I'll see if that is indeed the idea I am making.
That's amazing. You and Satoshi Nakamoto think alike
(he wrote about this in his white paper)
I've read the white paper before, so I probably just forgot what it was called and was just subconciously using the whitepaper as my source.
But what would some ways to keep my node from being tricked? If downloading the entire blockchain is not an option.