Well here in the Philippines kYC is being done in the exchange where the government give a license for that exchange to operate. Coins.ph is one of the local exchange here in the PHilippines and i like their service because it has a 2 way factor in identifying their client before accessing the account. Aside from that KYC is done one time before doing any transactions.
This feature is amazing because it serves as a security to both the provider and the user or seller and the buyer, and it defeats the fraudulent acts attempt by some individuals who want to take advantage of something for their own benefit. Many people are incapable to understand that one of the most valuable things in the world is information, that is why the governments are doing everything they can to obtain all the information they can about you and the same is true about private businesses