LOS ANGELES-- (BUSINESS WIRE)-- 4K.com, the world’s first marketplace for physically-backed non-fungible tokens (NFTs), just sold a rare unpeeled 1 BTC Casascius coin at 3.5x the face value and ...

Metaplanet has purchased an additional 696 BTC ($58.5 million), taking its total stash to 4,046 BTC. The company's total BTC holdings were bought for an average price of around $86,500.57 per coin.

4K Platform To Offer Over 18 BTC in Rare NFT Casascius Coins Peer-to-peer trading platform for collectibles and luxury assets launches first physically-backed NFTs of Casascius coins ...