Electrum 4.8.3 patches a fee-bump theft, and Keystone customer data has leaked

The day outside Cardano and Bitcoin opened with wallets. Electrum 4.8.3 patches a flaw that malicious servers used through fee bumping. At least one theft is confirmed. Every version before 4.8.3 is affected. The new version should be downloaded only from official sources. Kriptoteme records it at 12:01, crypto.news at 11:40.

On 20 October Keystone found unauthorized access. Names, contacts, addresses, and orders leaked. Seeds and keys did not. The risk is phishing, not an empty wallet. Kriptoteme writes that at 08:02, crypto.news at 11:18. On Polkadot, the Fearless Wallet extension had been leaking private keys since February 2025, about 20 months. The Polkadot Community Foundation warned users on 21 October. At 12:20 CryptoSlate ties the case to the risks of faster withdrawals.

Exchanges, ether, and Hayes

On 24 October Kraken withdrew the questionnaire for Monero users. Arjun Sethi admits the company went too far. XMR stays listed. Kriptoteme records it at 12:02.

According to Santiment, 169,770 ETH left exchanges in one day, about $407 million, the most since 5 June. The same outflow was already on the desk yesterday. Today's addition: more than a billion dollars had left US ether ETFs through 22 October. The levels being watched are $2,500 and $2,330. Kriptoteme writes that at 08:03. Arthur Hayes's Maelstrom, according to EmberCN, closed about $26 million of positions: about 8,000 ETH, about $19 million, 14 million ENA, about $3 million, and 323,000 UNI, about $2 million. The Crypto Basic confirms it in the 24 October daily edition. Kriptoteme carries it at 08:02.

States, Tether, and Circle

The New York attorney general is seeking $1.37 billion from NovaTech. From 2019 to 2023 the company collected $1.16 billion, and only about $26 million reached B2Broker. More than 11,000 New Yorkers were affected. Kriptoteme records it on 24 October at 12:03. Senator Blumenthal sent letters to Tether and Nxum. Tether denies wrongdoing. Alongside that, Tether is working with 15 mining firms, among them Bitmain, MicroBT, and Foundry, on MDK 1.0 by the end of 2026. crypto.news writes that at 07:48.

The Bank of Israel rejects the idea of using crypto to get around possible sanctions. crypto.news writes that at 10:07. The same day, at 12:42, Cointelegraph reports that Netanyahu is offering blockchain as an answer to possible financial sanctions. Elections are on 27 October. In South Korea the presidential office supports delaying the 22 percent tax to 2029. Separately, cross-border transfers must be reported from 3 December 2026, and comments on the rules are open until 26 October. crypto.news writes that at 08:27. The SEC put tokenization on the exam priorities for fiscal 2027. The exams cover more than 34,000 registered firms. The item is on the edge of the 48-hour window. Kriptoteme records it on 23 October at 18:04. Circle is introducing hourly auctions to mint and redeem USDC, aimed at institutions. On the CryptoSlate headline, those auctions collect the fees others pay to cash out. The piece is from 24 October at 22:00.

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