CRYPTO NEWS

What are crypto pump-and-dump groups? Are they legal?

Since crypto regulations are still being developed, crypto pump-and-dump groups support the promotion of unknown coins over Discord and Telegram.

Clarification regarding Rabin Cryptosystem being CPA (Chosen Plaintext Attack) secure

Do I understand correctly that the textbook Rabin encryption scheme, where there is no random padding (as is also required in RSA for it to be CPA secure), is not CPA secure? (it is deterministic without such padding), or am I missing something? My confusion arises from the wikipedia article which states that it is::Listen

Do I understand correctly that the textbook Rabin encryption scheme, where there is no random padding (as is also required in RSA for it to be CPA secure), is not CPA secure? (it is deterministic without such padding), or am I missing something?

My confusion arises from the wikipedia article which states that it is CPA secure, but the description and example provided do not mention anything about random padding.

Thanks.

What are crypto pump-and-dump groups? Are they legal?

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