We need more eyes on the hash based accumulator approach, deployed by Utreexo.
Perform your initial block download, as normal, and snapshot the UTXO state, at any time, saving it into a QR code or similar.
Bootstrap a new node instnatly, using this QR code, in the event of disaster.
Be an uncle Jim and allow others who trust you to bootstrap their own nodes, in a similar fashion.
As with all scaling there may be tradeoffs. But if it provides a means to stand up a consensus enforcing node in essentially no time, perhaps it's good enough to avoid the race condition that may occur, should a large portion of nodes become unreachable, for whatever reason....
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