Photo Credit: Primary Wave A Whitney Houston auction has concluded, setting a record for the highest-selling NFT on the Tezos blockchain with a price tag of $999,999. The Whitney Houston Collection was also the first time an estate sold an unheard and unreleased recording as an NFT. (Read our explainer about non-fungible tokens here.) The record-breaking Whitney Houston NFT features a full-length song demo that Whitney recorded when she was 17. The winner of the auction now has personal access to the recording in their OneOf Vault, along with a digital video created by artist Diana Sinclair. The nosebleed price tag of $999,999 was shared by Primary Wave, which helped…