Coinbase says a vendor incident at Amplitude exposed some customer contact data, but found no unauthorized access to its own systems.
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Bithumb suffered a hack through an internal employee system; it is still determining whether customer data was exposed.
Attackers obtained Keystone's factory authenticity key, so Keystone pulled devices and 25,964 buyer records were exposed; the company says seeds and private keys were not involved.
A replay of BTC-backed loans on hourly prices since 2014 shows that even 20% LTV loans would have been liquidated at times.
Keystone's breach has expanded: hackers also stole a key that could let counterfeit wallets pass authenticity checks, a serious hardware wallet security issue.
Electrum fixed a critical flaw where rogue servers could replace pending transactions and redirect bitcoin to attacker addresses.
Itaú Unibanco became the first Brazilian bank to notify the central bank of crypto brokerage and custody under new rules.
Datavault AI cut reported 2025 assets by $92.2M after BTC held at Biconomy could not be withdrawn, a counterparty-risk lesson for treasury firms.
An analysis of 307 public Pump callouts from 12 top-PnL wallets tests whether high-ranking social traders actually deliver returns.
The Liquid federation's reserve gap has narrowed to 600 BTC after a test transfer, and direct peg-outs stay paused until full backing is restored.
ZEC's price run has turned Zcash's fixed 8% dev fund into a large treasury, and builders now want to reduce it.