Ethereum‘s most recent fork was (eventually) successful, but it came with unintended consequence: the greater cryptocurrency community learned of its special “big, scary nodes,” and immediately freaked out. Blockchain infrastructure provider BlockCypher recently posted its version of events leading up to (and directly following) last month’s Constantinople upgrade It details its quest to reboot a special, dedicated machine (archive node) used to record all the “states” (settings) Ethereum has taken in its history. At a high level, archive nodes store Ethereum snapshots. Not just a record of all the transactions processed, but a complete map of the entire blockchain each time a block is…

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