Unraveling the mysteries of the World's First Cryptocurrency in 2025 Introduction If you've ever wondered, "what is bitcoin and how does it work ," you're not alone. In a world where digital money is becoming as common as smartphones, bitcoin stands out as the pioneer that started it all. Often called digital gold , bitcoin is a form of cryptocurrency that allows people to send and receive value online without needing banks or governments to oversee the process. It's like having cash in your pocket, but entirely virtual and secured by advanced technology. Bitcoin explained for beginners starts with understanding its core idea: decentralization. Unlike traditional currencies controlled by central banks, bitcoin operates on a network of computers worldwide, making it resistant to censorship and manipulation. Created in 2008 by an anonymous person or group known as Satoshi Nakamoto , bitcoin was designed as a response to the global financial crisis, a...
DeFi Security Alert: Arcadia Finance Loses $3.5M in Base Layer-2 Hack Introduction: The decentralized finance (DeFi) sector continues to face serious security threats, and the latest victim is Arcadia Finance. This platform, built to offer permissionless lending, borrowing, and asset swapping, has reportedly suffered a major security breach. According to blockchain security experts, the total loss now stands at approximately $3.5 million, making it one of the largest DeFi attacks on the Ethereum Layer-2 network called Base in 2025. Let’s explore how this attack unfolded, what vulnerabilities were exploited, and what it means for DeFi security moving forward. What Happened in the Arcadia Finance Hack? On July 14, 2025, a major vulnerability was exploited in the Arcadia Finance protocol operating on the Ethereum Layer-2 Base network. The first alert came from a leading blockchain security firm, which noticed suspicious activity on the network. The attack was carried out...