- Every seen a Casascius coin? They’re physical bitcoins - and there’s still plenty of unredeemed ones out there https://casasciustracker.com/status/ 45 comments cryptocurrency
- $2 Billion Worth of Unpeeled Casascius Physical Bitcoins: There's Less Than 20,000 Coins Left Active https://news.bitcoin.com/2-billion-worth-of-unpeeled-casascius-physical-bitcoins-theres-less-than-20000-coins-left-active/ 5 comments btc