caustic
bid

provenance you can see through.

Caustic is the auction house for on-chain art. Verified history, insured custody and live auctions for works worth millions.

enter the sale room consign a work

Your cursor is the light. Move it to find the works.The light sweeps the room. Tap to find the next work.

Evening Sale: Light Works 14 November, 7 pm

lot 01, the problem

lot 01The problem

on-chain art is worth billions. most of it lives on a laptop.

Copies get minted in minutes. Keys get lost. Bots snipe the last second of every auction. Collectors pay millions for works they can't fully verify, then keep them behind a single seed phrase.

minutes
to mint a perfect copy
one phrase
between a collector and a total loss

lot 02Provenance

every hand it passed through.

Caustic traces each work from the artist's mint to today. Every sale, loan and exhibition is checked against the chain and signed by the people involved. Scroll to follow the light.

0of 5 hands verified

lot 03Custody

held in glass, not on a laptop.

Works sit in Caustic Vault, guarded by five keys held by five different parties. Any three can move a work. No one can move it alone.

  • Three of five keysYou, Caustic and an independent insurer sign every move.
  • Insured to $50M a workCover from day one, priced on the work's history.
  • Lend without letting goSend a work to a museum show and keep it in custody the whole time.

lot 04Live auctions

the room is live.

Bid from anywhere with your deposit held in escrow. Every late bid adds time to the clock, so the last second belongs to people, not bots.

lot 12live02:41

Ines KovaTidewater No. 12, 2021Estimate 180 to 240 ETH

current bid142 ETH

    Demo bids. No deposit is taken.

    lot 05Who it's for

    built for everyone in the room.

    1. 01

      collectors

      Bid, hold, lend and sell from one account. Every work comes with its full history and a condition report on the token itself.

    2. 02

      artists

      Royalties on every resale, paid the moment a sale settles. Primary drops with a reserve, a schedule and a real audience.

    3. 03

      institutions

      Custody, reporting and insurance a board will sign off on. Museums borrow works without the keys ever leaving the vault.

    lot 06Developers

    provenance as an api.

    Check any work's history before you list it, lend it or insure it. The same records power every page in the sale room.

    const work = await caustic.works.get('eth:0x5f…a3/42')

work.provenance
// 5 hands · unbroken · minted by odo.eth, 2022
work.custody   // 'caustic-vault' · 3 of 5 · insured
work.lastSale  // { price: 310, currency: 'ETH', sale: 'Light Works' }
    Works onEthereumSolanaPolygonSettles in ETH or USDCUSD Coin

    lot 07The next sale

    see it in the right light.

    The next Evening Sale opens November 14. Register to bid, or consign a work for the spring sale.

    enter the sale room consign a work
    Sold since 2023
    $1.2B
    Works in custody
    8,400
    Royalties paid to artists
    $46M