top | item 22740754 Redactable Blockchain, or Rewriting History in Bitcoin and Friends [pdf] 3 points| big_chungus | 6 years ago |eprint.iacr.org 2 comments order hn newest tromp|6 years ago > there 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_massa|6 years ago > Redactions can be made only by authorized entities and under speciļ¬c constraints ...This makes the network essentially centralized. Why not just use a db that is cheaper?
tromp|6 years ago > there 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_massa|6 years ago > Redactions can be made only by authorized entities and under speciļ¬c constraints ...This makes the network essentially centralized. Why not just use a db that is cheaper?
tromp|6 years ago
There are already blockchains that do not allow for embedding of arbitrary data, because it's all elliptic curve points and Schnorr signatures.
gus_massa|6 years ago
This makes the network essentially centralized. Why not just use a db that is cheaper?