Roughly 500 people were in for a random surprise on Mar. 8, receiving a profanity-laced correspondence from BlockFi after their email addresses were used to sign up for fake accounts.
U.S. company Salesforce, which operates a cloud-based mailing platform, has patented a blockchain solution to distinguish between spam and regular emails.7376
Schnorr signatures could all but put an end to Bitcoin network spam attacks, Sam Wouters has suggested.9496
DGEX is a popular NXT and BTC exchange. It recently suffered a hack that shut it down temporarily. Now, its users are getting phishing emails that appear to come from the company.342