Redactable Blockchain, or Rewriting History in Bitcoin and Friends [pdf]eprint.iacr.org 3 pointsbig_chungus6 years ago2 commentsSaveHideCopy link On HNComments−tromp6ythere are several reasons to prefer an editable blockchain, spanning from the necessity to remove inappropriate contentThere are already blockchains that do not allow for embedding of arbitrary data, because it's all elliptic curve points and Schnorr signatures.−gus_massa6yRedactions can be made only by authorized entities and under specific constraints ...This makes the network essentially centralized. Why not just use a db that is cheaper?
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There are already blockchains that do not allow for embedding of arbitrary data, because it's all elliptic curve points and Schnorr signatures.
This makes the network essentially centralized. Why not just use a db that is cheaper?