http://dwebkjkovsjobzrb45dz6prnlifnapiyp2dba33vcmcsaikr2re4d5qd.onion/knowledge/what-is-v3-onion-address
This, in turn, provides better onion address security against impersonation. So, in conclusion, the V3 Onion Address, with its advanced cryptography in the form of ECC and its use of the ED25519 digital signature system, is a significant improvement over its predecessor.