Hacker Quests as a Tool for Cybersecurity Training
A collection of 500+ Hack The Box machine walkthroughs on the 0xdf site. Filtering by difficulty and OS, up-to-date materials until 2026.
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Latest posts — page 274
Bitcoin Recovers Above $81,000 Due to Fed Stance
Bitcoin has returned above $81,000 following comments from a Fed official about potentially maintaining interest rates. Zcash leads with a 15% daily gain.
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Ozon Tech Quest: Cybersecurity Tasks and Prizes
Ozon Tech launches a hacker quest on OSINT, forensics, and steganography. Solve 4 out of 5 tasks by September 6 and win merch.
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Tether froze $42M in USDT without a court order
Tether blocked $42.4M in USDT without a court order. Thai plaintiffs demand the return of funds and compensation for the use of reserves.
First Car Navigation of 1969: Cassettes and Odometer
Historical overview of the first 1969 car navigation system, which used cassettes and a mechanical odometer to provide driver instructions.
Top Resources for Learning the Bash Language
Top resources for learning Bash: GNU official manual, Command Challenge interactive games, courses, and prompt generators.
Strategy Buys Bitcoin Again: Deal Details and Reserve Growth
Michael Saylor's Strategy bought 4,603 BTC for $369.7 million, placing shares worth $602.8 million. The company accumulated a $5.1 billion dollar reserve, contradicting previous rhetoric against fiat currency.
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Why is a hard drive called a Winchester?
Find out why hard drives are called Winchesters. The origin of the term is linked to IBM models 1311 and 3340 and their 30-30 index.
Sberbank Ready to Offer Loans Against USDT Collateral
Sberbank plans to issue loans against USDT collateral if the Central Bank permits it, while demand for the digital ruble remains minimal.
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Daria Frolkina on the Power of Voice and Modern Etiquette
Anthropologist Daria Frolkina spoke about the power of voice, modern etiquette, and skills for effective communication. The full interview will be released in autumn.
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StarkWare Conducts First Quantum-Resistant Transaction in Bitcoin Network
StarkWare executed the first quantum-resistant transaction in the Bitcoin network without changing the protocol. The method uses hash functions and direct communication with miners.
X to introduce cryptocurrency trading next to charts
X is integrating cryptocurrency trading: the Cashtags feature integrates charts into posts, while trade execution is handled by the platform's external partners.
Magnit and MTS Begin Accepting Digital Ruble
Starting September 1, Magnit and MTS will begin accepting the digital ruble. The law will require businesses to pay in the new currency from 2025; there is no commission for citizens.
Bitcoin Rises to $80k: Causes and Forecast
Bitcoin rose to $80k due to ETF inflows and dollar weakness. Short sellers lost $218m, but the asset remains below its yearly high.
Ethereum Hits January High Amid Bitcoin Rally
Ethereum hit a seven-month high above $2540, showing a 30% weekly gain. Analysts see signs of continued rally, but historical data reminds us of the risks.
Strategy shows first bitcoin profit
Strategy has turned profitable on its bitcoin reserves. The profit amounted to $192 million at an asset price of around $75,600.
Binance Allows AI Agents to Trade User Funds
Binance launched Agent OS for AI agent trading. The platform supports integration with ChatGPT and other models, offering isolated accounts and flexible security settings.
Bitcoin surges 11% after US Treasury decision
Bitcoin rose 11% after the U.S. Treasury's decision to increase government debt buybacks. A short squeeze pushed the price above $71,700.
US Imposes Mandatory Licensing for All Stablecoins
The US Treasury has approved rules for the GENIUS Act: starting in 2027, stablecoin issuance will be permitted only for licensed entities. The aim is to strengthen the dollar's position and regulate the crypto market.
