Smart contracts were supposed to make that easier, but this got blocked by the scalability issues. The current hope is for MPC which might get consumer-usable products without a SPOF: you have private keys on personal hardware, but if you lose them, there's a recovery procedure with multiple independent authentication channels — e.g. 3 out of 5 notaries from separate jurisdictions must recognize you and sign their parts. Plus a lot of friendly logic like time-outs etc.