# NFT sales boom, but ownership is highly concentrated
“# NFT sales boom, but ownership is highly concentrated ” Trading volumes across various verticals of nonfungible tokens (NFTs) have been on a tear this year. Combined sales for collectible and art NFTs have reached $7.4 billion as of Q4 2021. The art NFT market has grown from $17.8 million on January 1 to $1.8…