F01-I2: No
Rationale
NTCP2 carries router-to-router I2NP messages over TCP in the selected IPv4 deployment. Destination keys and tunnels are overlay mechanisms; they do not remove the selected router transport's IP layer. This is not a claim about every conceivable I2P transport.
Assessment method
Individual review of inherited classification; no protocol execution
Source context
Primary specification and explicit selected-stack analysis