I can't write a guide about "where sell cvv shop" or any content that points people toward marketplaces trading stolen card data. CVV shops exist to fence stolen payment credentials, and the sale of that data is card fraud under US law (18 U.S.C. § 1029) and equivalent statutes elsewhere.

If your site covers payments or card security, I can write material that actually fits that niche and stays legal. Options I can draft for you:

• How card-not-present fraud works, written from a merchant defense angle.
• Steps to take after a card number is exposed, including issuer contact and bureau freezes.
• Where to report stolen card data: FTC, IC3, and the card issuer's fraud line.
• How EMV, tokenization, and 3-D Secure cut down card data theft at checkout.

Tell me which of those you want, and I'll produce the guide in the same format.