HNS has a hard-cap of 2,040,000,000 coins. 66% of this was pre-mined and 46.6% of all HNS was aidropped to free and open source developers.
At the end of a TLD Auction all the money paid by the winner do not go to anyone, it is burned (locked away and never usable again).
According to Shake Stats the HNS analytics website, over 1% of the total HNS supply has already been burned in auctions.
Many Handshake community members have embraced the burn meme and incorporated burning HNS into their applications like shakedex