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
Compatible devices, recommendations, and common issues Delta uses FIDO2 for multi-factor authentication. If you need a physical security key, choose a model that supports FIDO2/WebAuthn: Delta allows you to register multiple keys to the same account. For most users, a Yubico Security Key is enough, while a YubiKey 5 makes sense if you also need …
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 …
What is XAUT and how does digital gold work?
What is XAUT? XAUT (Tether Gold) is a token backed by physical gold and issued by TG Commodities, S.A. de C.V. One full XAUT represents ownership of one fine troy ounce of physical gold held in London Good Delivery bars in Swiss vaults. You can buy, transfer, and store XAUT in your own crypto wallet. …
