Dorsey Unveils Block's Bitkey Bitcoin Wallet Amid Calls for Self-Custody After Exchange Collapses
• Jack Dorsey unveiled Block's new Bitkey self-custody Bitcoin wallet for pre-order in 95+ countries
• Dorsey tweeted "Move your bitcoin off the exchanges" and linked to Bitkey
• Elon Musk echoed the phrase "Not your keys, not your wallet" about controlling crypto keys
• Bitkey relies on a 3-tier security system with a mobile app, offline hardware device, and recovery key
• Self-custody wallets gained prominence after collapses of centralized platforms like FTX and Celsius