"Antonopoulos, who is the chief security officer of Blockchain.info, said a DDoS attack is taking Bitcoin’s transaction malleability problem and applying it to many transactions in the network, simultaneously.Bitcoin Exchanges Under 'Massive and Concerted Attack'
“So as transactions are being created, malformed/parallel transactions are also being created so as to create a fog of confusion over the entire network, which then affects almost every single implementation out there,” he added."
Wednesday, February 12, 2014
Bitcoin Exchanges Under 'Massive and Concerted Attack' [CoinDesk]
Looks like "transaction malleability" may be the Bitcoin meme of the week