CBC and CTR mode - #offgrid

full text - Repost: CBC and CTR mode (from https://ift.tt/kGCD9qe, CBC and CTR mode)

How to modify a ciphertext in such a way that it will be accepted by the receiver? Can the adversary do this in such a way so that the adversary knows the relationship between the sent and decrypted message (e.g. flipping a single bit of the message)

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Mining:
Bitcoin, Cryptotab browser - Pi Network cloud PHONE MINING
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Exchanges:
Coinbase.com - Stex.com - Probit.com

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