The fundraising goal was originally $20 million.

Therare copy of the Constitution is going up for auctionon Nov. 18.

It’s sourcing the funds using ether, a cryptocurrency that runs on the ethereum blockchain.

So far, ConstitutionDAO has raisedmore than $40 million.

The copy was purchased from Sotheby’s by real estate developer S. Howard Goldman in 1988 for $165,000.

Dorothy Tapper Goldman, Goldman’s widow, is the current owner.

Proceeds from the auction will benefit the Dorothy Tapper Goldman Foundation.

There are 13 surviving copies.