Explore reporting on crypto exploits, security failures, scams and suspicious on-chain activity. Our investigations rely on available records, explain how conclusions were reached, and separate established evidence from open questions.
Bitcoin
Foundation's legacy database copies retained supposedly redacted customer details as attackers attempted more than 23,000 phishing emails. The records expose a wider hardware-wallet privacy blind spot.
Investigations
An unknown wallet used a flash loan and a 0.000001 X Senate-seat margin to exploit X100 governance. BlockBriefing examines how the treasury sold 400,000 X for $35.68 and $4.85M left the pool.
Investigations
Keystone's breach exposed shipping and order information. A BlockBriefing review finds three different descriptions of its 180-day deletion policy and unresolved claims about older customer orders.
Investigations
CoinDCX acknowledged a 15.99M USDT loss. Our review of its statement and on-chain research examines 88 deposits that sat unswept for months and five unanswered security questions.
Bitcoin
A BlockBriefing investigation examines Mezo’s 5.519 BTC veBTC exploit, reconstructs the disclosed timeline, analyzes the sender-verification failure and compares the incident claims with the public audit record.