X @Documenting ₿itcoin 📄

Two Casascius bitcoin, each holding 1,000 bitcoin, have just moved after sitting untouched for more than 13 years. Casascius coins are ‘physical bitcoins’ from the early days, containing a private key hidden under a tamper-evident hologram that can be redeemed on the blockchain. https://t.co/mBZsRXcRP6 ...