After announcing the release of a new non-fungible token (NFT) project within the Bored Ape Yacht Club ecosystem, Yuga Labs released its Sewer Passes for minting on Wednesday, yielding over 4,000 ETH (over $6 million) in total sales volume within hours of release.

Holders of a Bored Ape Yacht Club (BAYC) or Mutant Ape Yacht Club (MAYC) NFT were eligible to claim a free Sewer Pass on Wednesday, which acts as the key to playing a skill-based game called Dookey Dash. Those that hold a Sewer Pass (whether minted or purchased on the secondary marketplace) can play Dookey Dash from January 19 to February 8, and scores accumulated from gameplay will be part of a broader narrative experience called "Chapter 1" at a later date.

The Sewer Passes were broken up into four tiers, based on if the holder of a BAYC or MAYC NFT also hold a Bored Ape Kennel Club NFT in their wallet. At the time of writing, the floor price for a Tier 1 Sewer Pass on secondary NFT marketplace OpenSea stood at 1.3 ETH (about $1,970), while Tier 4 passes were listed for up to 420 ETH (about $640,000).

Bored Ape Yacht Club tweeted that the official Sewer Pass collection was listed for secondary resale on OpenSea. Notably, the Sewer Passes had certain conditions coded into its smart contract, including a blocklist of certain wallet addresses, which sparked conversation on Twitter around the move. Some of the addresses blocked belong to other major secondary marketplaces like LooksRare and NFTX.