#Ledger tutorial. Maximize battery life

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 …

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#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 …

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#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 …

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#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, …

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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 …

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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 …

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What Is a Perp DEX and When to Expect an Airdrop — 2026 Guide

Imagine an exchange where you don’t need an account, you don’t have to pass verification, and your funds stay in your wallet the whole time. You simply connect—and you can trade leveraged futures. That’s a Perp DEX. Over the last year, on-chain derivatives stopped being a niche toy. According to CoinGecko, in Q4 2025 the …

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What Is XAUT Digital Gold? Why Does It Matter in 2026?

XAUT is called digital gold because it is a token pegged to real physical gold. The idea is simple: gold stores value, and blockchain gives it a digital wrapper — so you can buy it, store it, and transfer it like a crypto asset. The formula here is literally: gold + blockchain = XAUT. Instead …

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What is Uniswap v4? How the most popular DEFI exchange works.

What is Uniswap? Uniswap is a service where you can swap one token for another without an exchange being involved. All you need is a wallet and an internet connection.The main difference from regular centralized exchanges (CEXs) is that here there’s no registration, no KYC, and no intermediaries — all operations are performed by smart …

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