The Liquid Network, a Bitcoin sidechain developed by Blockstream, was drained of roughly 4,000 bitcoin worth about $320 million on Sunday. The person or people behind the exploit said they were white hat hackers and communicated with Blockstream through messages embedded in Bitcoin transactions using OP_RETURN.

Rusty Russell, lead Lightning developer for Blockstream, is spearheading an ambitious initiative known as the Bitcoin script restoration project. This effort aims to restore and expand the functionality of Bitcoin’s script language, which was ...

Certain on-chain signs point to a potential white hat, or ethical hacker, looking for blockchain vulnerabilities. Update May 29, 11:00 UTC: This article has been updated to include clarification from BNB Chain. Approximately $80,000 worth of a BEP-20 token ...

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In the wake of the Coldcard exploit, U.S. spot Bitcoin ETFs added nearly $800M in one week, offering a look at how institutional demand responded. One of the biggest Bitcoin security stories of the year unfolded last week as a firmware exploit affecting ...

Bitcoin’s quantum-security work took two visible steps on August 26. StarkWare published a mined Bitcoin transaction using its Quantum-Safe Bitcoin method, or Q

A $116 million Bitcoin wallet exploit puts self-custody under scrutiny as ETF inflows rebound, Strategy eyes more BTC and miners chase billions in AI deals. A $116 million hardware wallet exploit has reopened one of Bitcoin’s oldest debates: Is holding ...