Bitcoin.com sits down with Tether co-founder and Omni CTO Craig Sellars. He explains how Tether works, the power of the Omni layer as a 'magic ledger,' and shares his views on Bitcoin 2.0, the block size debate, and the future of decentralized technology.
On December 23, 2019, a 100 BTC Casascius bar (S2-BAR-100) was redeemed, worth over $723K at current prices. The bar, minted in 2013, is part of the iconic physical Bitcoin series created by Mike Caldwell. Over 46,000 BTC remain unredeemed across all Casascius products.
On April 8, 2025, two Casascius 100 BTC physical bars were redeemed, marking the first activity from those addresses since 2012. The 200 BTC, worth ~$19.2M, were moved when BTC traded at $76K. Only 30 S2 100 BTC bars remain unpeeled, highlighting extreme rarity.
In April 2025, two Casascius physical bitcoin bars, each containing 100 BTC, were opened for the first time since 2012, redeeming about $19.2 million worth of BTC as prices dipped to $76K. Only 30 of the 100 BTC bars remain unpeeled.
A long-dormant holder redeemed two rare 100 BTC Casascius bars in April, moving 200 BTC for the first time since late 2012. The event highlights the shrinking supply of unopened physical bitcoin collectibles and the billions still locked inside sealed Casascius pieces.
A long-dormant holder redeemed two rare 100 BTC Casascius bars in April, moving 200 BTC for the first time since 2012 as bitcoin briefly traded around $76,000.
As of September 18, 2021, the number of active Casascius physical bitcoins has fallen below 20,000, with about 43,000 BTC (worth over $2 billion) still unpeeled. These rare collectibles, minted by Mike Caldwell from 2011-2013, are becoming increasingly scarce and coveted.
As of September 2021, fewer than 20,000 Casascius physical bitcoins remain active, holding over 43,000 BTC worth more than $2 billion. The iconic collection, minted between 2011 and 2013 by Mike Caldwell, has become a rare crypto collectible.
