pgp required marketplace 2
https://mybitcoinxmracceptednotes.urbanvellum.com/posts/why-bitcoin-and-xmr-accepted-wallets-matter-for-canadian-darknet-shoppers
On this marketplace, every listing includes a seller's PGP public key, and all communications must be encrypted with it. It ensures you're talking directly to the seller, not an impersonator, making the whole buying experience far more secure.