I know Ethereum uses Merkel Trees to store state but this app already has Postgres and I imagine that it would be better architecturally to not write a big blob

I know Ethereum uses Merkel Trees to store state but this app already has Postgres and I imagine that it would be better architecturally to not write a big blob data structure back and forth. WITH RECURSIVE queries and the right table layout could make this entire thing way simpler to operate.