Wallets and security

Keys, backups, permissions and custody: understand who controls access and how to avoid common mistakes.

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News Wallets and security

Binance pledges to cover hack losses; withdrawals paused

Binance says attackers stole approximately $6.3 billion from its hot wallets on 29 October 2026. The exchange has promised to absorb the loss, but the latest official update reviewed on 31 October still described crypto withdrawals as suspended for security checks. Deposits remained operational. A phased withdrawal restart was targeted around 1 November, subject to testing, rather than announced as complete.

News Regulation and tax

MEXC says it has no MiCA licence and is leaving the Netherlands: what happens to user accounts

In a guide published on 21 October 2026, MEXC states that it is not authorised under MiCA in the European Union or European Economic Area. It is also ending service for Netherlands-linked users. Its detailed exit notice gives 24 October 2026 as the start of restrictions for the final group, but the company’s guide shows a different schedule. Do not rely on a later date in a headline without checking the notice applicable to the account.

News Bitcoin basics

Bitcoin Core accelerates fixes and disclosure for vulnerabilities easily found with AI

Bitcoin Core developers updated their security vulnerability disclosure policy on 22 October 2026: when a vulnerability is classified as easy to discover, including through a simple AI model prompt, the project will promptly release a fix for every supported major version alongside a security advisory. The new route bypasses the usual waiting periods in these cases but does not remove them for other vulnerabilities.

News Wallets and security

Electrum 4.8.3 fixes flaw that let a malicious server disguise theft as a network fee increase

Electrum 4.8.3 installers were published on 24 October 2026 with a fix for a high-severity vulnerability: a malicious server could display a replacement transaction directing funds to an attacker and induce the user to sign it when requesting a higher network fee. The warning applies to earlier versions connected to an untrusted server, and the developers urge users to update.

News Wallets and security

CryptoBilis case: Ledger widens sales suspension after hardware implants found in wallets

Ledger announced on 15 October 2026 that it had asked authorised resellers and distributors in Southeast Asia and Hong Kong to suspend sales following an attack involving components implanted in devices to capture seed phrases during setup. The update broadens the picture beyond the initial CryptoBilis reports. The company attributes the compromise to the distribution chain, not a breach of its systems, but that remains the manufacturer’s conclusion from its investigation.

Guide Bitcoin basics

Buying or receiving bitcoin for the first time: what to check before paying, entering an address and confirming

Before buying or receiving bitcoin, establish who will hold the keys, which asset you will receive and on which network, what the process will cost and how arrival will be checked. Start by identifying the service and preparing the wallet, proceed with a limited test transfer, and only then consider another action. This guide aims to reduce operational mistakes, not recommend an investment: even correct execution does not prevent loss of value, fraud or provider failure.