You're welcome Sam.

TC stands for Terms & Conditions.
PP for Privacy Policy. You need to include both as well as a Shop Policy.

If you want to take crypto payments for your products, you might want to look into the following two payment gateways:

Flexa - they are a Shopify partner
https://flexa.network/solutions

NowPayments - Shopify plugin available
https://nowpayments.io/payment-integration/shopify-plugin

Cheers