ALGORAND
The Efficient Public Ledger
also Algorand, The Public Ledger - Silvio Micali - YouTube ← the really new stuff starts about 37mins in
This is very interesting, could something like this be a basis for alt-coins on SAFE?
It shares certain ant-like aspects with SAFE ie clients can adopt different roles as required.
I won’t claim to fully understand all^H^H^H much of the maths/cryptography in the paper I linked to but I bet there are those on this forum who would have no bother with it.