Stories Why former Sotheby’s chief executive Tad Smith is bullish on blockchain art Posted on November 13, 2025 by artNews Ahead of the sale of a Robert Alice blockchain-based painting at Sotheby's New York, Smith discusses his support for bitcoin and collecting digital art This month’s New York auctions could bring up to $2.3bn The British artist David Shrigley wants £1m for piles of old rope