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Fundació Pere Tarrés

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Reversing C++ String And QString

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After the rust string overview of its internal substructures, let's see if c++ QString storage is more light, but first we'r going to take a look to the c++ standard string object: At first sight we can see the allocation and deallocation created by the clang++ compiler, and the DAT_00400d34 is the string. If we use same algorithm than the rust code but in c++: We have a different decompilation layout. Note that the Ghidra scans very fast the c++ binaries, and with  rust binaries gets crazy for a while. Locating main is also very simple in a c++ compiled binary, indeed is more  low-level than rust. The byte array is initialized with a simply move instruction:         00400c4b 48 b8 68        MOV        RAX,0x6f77206f6c6c6568 And basic_string generates the string, in the case of  rust this was carazy endless set of calls, detected by ghidra as a runtime, but nevertheless the basic_str...
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The Base Blockchain Airdrop: Hidden Opportunities You Don’t Want to Miss!

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The Base blockchain, supported by Coinbase, is making waves in the crypto space with its surging Total Value Locked (TVL) and potential airdrop opportunities. In this article, we'll dive deep into Base's ecosystem, its key protocols, and strategies for maximizing potential rewards. We'll also explore SynFutures, a standout perpetual protocol, and other exciting opportunities that could set the stage for a lucrative airdrop. Base Blockchain: A Rising Star Current Status Base has climbed to the sixth position among blockchains in terms of TVL, surpassing even Arbitrum, the long-time leader in Ethereum Layer 2 solutions. With $4 billion+ in TVL , Base's rapid growth is drawing attention from the crypto community. Why the Excitement Around a Potential Airdrop? Coinbase Backing: As a leading exchange, Coinbase's involvement ensures credibility and innovation. Changing Regulations: With evolving regulatory clarity, there's renewed optimism for potential rewards lik...
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Crypto markets can be a wild ride, with exhilarating highs often followed by gut-wrenching lows. Many investors see massive gains during bullish trends only to watch them evaporate in sideways or bearish phases. The key to preserving your portfolio lies in avoiding common pitfalls that trap even seasoned traders. This article dives into five critical mistakes crypto investors make in choppy markets and offers actionable strategies to steer clear of them. Whether you're a beginner or a veteran, these insights will help you navigate the volatile crypto landscape with discipline and confidence. The Perils of Slow Decision-Making In crypto, hesitation can be costly. Opportunities often arise from compelling setups — whether it's a promising chart pattern, a groundbreaking technological innovation, or strong on-chain signals like whale wallet activity. However, in dull or sideways markets, investors often become lethargic, missing the window to act. By the time social media buzz ign...
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