What do you buy when you sell your NFT?

Tell them we have built and fixed web3 without needing a token or a blockchain. That we transact and transmit value at the speed of light, in a completely permissionless and decentralized format, and that it frees up our developers to focus on building things with fascinating, exciting use cases.

Then welcome them to Nostr 🤙

Put another way:

nostr:note1zs9yzp6zkdcp6nml6wa9md3054ckv0ggzjvlsympuj2w2cufqmpq6qyjyd