Mercado Bitcoin puts its security incident at $38M, with $11M blocked by partners and deposits and withdrawals suspended.
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Chainalysis-style tracing shows Binance hack funds moved via Tron bridges Relay, THORChain, Chainflip and Symbiosis, with the FBI pressing THORChain.
A builder's post-mortem on a pricing engine for a 90-minute match-linked derivative: a unit test passed while the price was off by 26 points, and the fix exposed a free arbitrage.
Arbitrum's Security Council froze 8,426 ETH and 74.6M ARB in a Binance-linked wallet, and a walkthrough shows it moved funds without the holder's key.
ZachXBT published 11 addresses and a TRM Labs graph tracing $106M suspected stolen from an EU entity toward Monero and a Tron bridge.
Brazilian exchange Mercado Bitcoin halted withdrawals after a security incident; Hypernative attributes over $40M in outflows to it, while the exchange says no clients lost money.
BTCPay Server told operators to shut down with ./btcpay-down.sh after reports of hot-wallet sweeps. The alert names no affected versions and no patch yet.
ZachXBT alleges a cover-up as suspected EU-linked theft reaches $133M, with funds still leaving exchanges after his first alert.
ZachXBT's suspected EU theft estimate has risen to $133M, with another $27M in exchange withdrawals traced, some after he first flagged it.
Binance's SAFU fund holds about half its bitcoin (~$580M) and sits below its own $800M top-up trigger, with no refill date given.
Ethereum Foundation essay on using Ethereum as infrastructure for digital public services that need cross-border institutional cooperation and privacy.