Itaú Unibanco became the first Brazilian bank to notify the central bank of crypto brokerage and custody under new rules.
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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.
DTCC's tokenization service is live with 34 securities and 20 participants, but conversions run on a narrower schedule than token transfers.
XRP Ledger developers propose an experimental change letting companies fund zero-XRP wallets for stablecoin payments, including AI-agent accounts.
Datavault AI cut reported 2025 assets by $92.2M after BTC held at Biconomy could not be withdrawn, a counterparty-risk lesson for treasury firms.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.