>>/13492/
Since blockchains have come up several times now:
interdasting datastructures for blockchains and distributed systems
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https://en.wikipedia.org/wiki/Merkle_tree
https://en.wikipedia.org/wiki/Linked_timestamping
https://en.wikipedia.org/wiki/Skip_graph
https://en.wikipedia.org/wiki/Skip_list
> QMap (up to Qt 4) template class of Qt that provides a dictionary.
kek
https://en.wikipedia.org/wiki/Merkle%E2%80%93Damg%C3%A5rd_construction