Block's Bitkey rolls out bitcoin inheritance fix for 'multibillion-dollar problem waiting to happen'
1. Block's Bitkey introduces an inheritance feature for bitcoin wallets. 2. Users can designate beneficiaries to transfer assets posthumously. 3. Inheritance complications have previously deterred bitcoin investment. 4. Block is shifting focus to enhance crypto solutions and mining. 5. Self-custodial bitcoin storage poses significant estate planning challenges.