Bitcoin transactions require multiple confirmations to ensure security, with most considered final after six confirmations. Increasing network congestion, block size limits and transaction fees have ...

A report published today by blockchain investigations firm Chainalysis confirms that cybercrime groups engaging in ransomware attacks don't operate in their own bubbles but often switch ransomware ...

What is the Bitcoin transaction fee? Transaction fees are calculated as the difference between the amount of Bitcoin (BTC) transmitted and received. Transaction fees are, in theory, a representation ...

TAIPEI, March 7, 2025 /PRNewswire/ -- Recent cyberattacks targeting multisig wallets have highlighted critical security gaps. Hackers have exploited transaction manipulation techniques, deceiving ...

Three years ago banks rushed to be first to offer mobile text-message alerts notifying customers of suspicious credit and debit card transactions. Now Visa Inc. is trying to up the stakes by ...