Learn how to verify a Bitcoin transaction using its TXID and a block explorer, how many confirmations you need, and how to spot a fake payment.

Attackers replaced legitimate transactions with fake ones, then waited for users to approve higher fees. At least one person lost bitcoin before developers patched the flaw.

Blockchain sleuth ZachXBT said Garrett Dutton’s 5.9 Bitcoin has already been sent to deposit addresses associated with KuCoin. Update (April 14, 1:07 am UTC): This article has been updated to include ...

Electrum wallet patches security vulnerability; hackers have stolen bitcoinsElectrum has released version 4.8.3 to fix a critical vulnerability ...