How to maximize Ledger battery lifespan depends on the model, because not every Ledger has a battery. Among current models, four devices have a rechargeable battery: Nano X, Stax, Flex, and Nano Gen5. Nano S Plus does not have a battery: it works only when connected by cable battery: Nano X, Stax, Flex, and Nano …
#Ledger tutorial. Battery problem: Charging stopped
Ledger Nano X is not charging: if you see “Battery problem” or “Charging stopped” on the screen, it does not mean your coins are gone. Your keys and funds remain safe; the issue is related to the battery or the charging conditions of the device. Nano X is a Ledger model with a built-in 100 …
#Keystone tutorial. How to update firmware on Keystone 3 Pro?
How to update Keystone 3 Pro firmware: in every release, Keystone fixes vulnerabilities, patches bugs, and adds support for new networks and wallets. That is why keeping the firmware up to date is part of protecting your assets. It is not a cosmetic improvement. The main rule before you start: first make sure you have …
#Ledger tutorial. Ledger Nano X battery conditioning
Ledger Nano X battery conditioning is a procedure that helps wake up the battery after long storage. You took out a Nano X that had been sitting unused for several weeks or months, and now it will not turn on, will not charge, or shows a battery warning. For a lithium-ion battery after long storage, …
Best private messengers with end-to-end encryption. Top apps in 2026
The best private messengers 2026 protect conversations with end-to-end encryption, but not every popular app is genuinely private. Many services store messages on a server in plaintext: the company that owns the service can read them, hand them over under a warrant, or lose them in a data breach. Private messengers do not. There is …
Physical attacks on crypto holders: how to protect yourself from a wrench attack
Wrench attack is a physical attack on a cryptocurrency holder intended to force them to hand over access to a wallet. In crypto, people usually talk about hackers, phishing, and smart-contract vulnerabilities. But there is a threat that a standard wallet setup cannot stop: a person with a wrench standing at your door. Protection is …
Why Is Polymarket a Scam? Our Investigation and Experience with the Platform
Is Polymarket a scam or just a dangerous tool? In this article, I use recent cases to explain why the platform’s market-resolution system is designed in a way that leaves the average trader losing almost every time. From May 9 to 11, 2026, a three-day “ceasefire” was in effect between Ukraine and russia, at the …
Best ways to withdraw crypto from Binance / OKX / Bybit to a card. Is it safe?
Binance / OKX / Bybit are the exchanges most commonly used in Ukraine. The bulk of the country’s crypto turnover goes through them. The methods to withdraw crypto to card have noticeably degraded in 2026. In December 2025, Binance shut down direct card withdrawals. OKX introduced this restriction even earlier. But there are still working …
How to set up two-factor authentication on GitHub using Yubikey?
Hello everyone! Setting up two-factor authentication on GitHub with a YubiKey is one of the most reliable ways to keep your developer account safe. Not everyone knows how to ensure this security using modern methods. And to do so, all you need is to be the happy owner of a YubiKey hardware security key for …
