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 …
How to withdraw crypto to a card in Ukraine: all working methods
How to withdraw crypto to a card in Ukraine? A hardware or mobile wallet cannot send cryptocurrency directly to a bank card. In most cases, the process has two stages: first, you send the crypto to an exchange, a P2P marketplace, or a trusted exchange service; then you sell it for hryvnia and receive UAH …
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 …
FIDO2 keys for Delta: which ones work and how to set them up
For two-factor authentication, you can use a physical FIDO2 key for Delta or a phone set up as a FIDO2 key. Compatible certified FIDO2 models include Security Key NFC by Yubico and Security Key C NFC by Yubico for account sign-in, and Yubikey 5 NFC and Yubikey 5C NFC if you also need additional protocols. …
How to Store a Seed Phrase: 5 Safe Methods in 2026
A seed phrase is not just a set of words. It is the single key to everything you own in crypto. To every coin protected by that phrase. If you lose it — there is almost no chance of getting access back.There are white hat hackers who recover access to lost wallets — there are …
Who is Satoshi Nakamoto? What we know about him in 2026
On April 8, 2026, The New York Times published a 12,000-word investigation by John Carreyrou, the journalist who once buried Theranos. The conclusion: the real Satoshi Nakamoto is Adam Back, CEO of Blockstream and a British cryptographer. Carreyrou says his confidence is “between 99.5% and 100%”. Back responded with a post on X: “I am …
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 …
