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<p><span dir="auto"><span class="autocomment">Task</span></span></p> <p><b>New page</b></p><div>= Quest: How Secure is Bitcoin? =<br /> <br /> We have explored how the network hashrate creates a significant barrier for attackers attempting to alter the blockchain. <br /> <br /> Now, let&#039;s approach the question of Bitcoin&#039;s security from a practical perspective: <br /> <br /> * Many wallets hold large amounts of Bitcoin, and their public addresses are widely known. <br /> * Some contain thousands of Bitcoins, yet nobody has ever been able to take the funds. <br /> <br /> == Example: A Famous Wallet ==<br /> Visit this well-known wallet: <br /> <br /> [https://bitinfocharts.com/bitcoin/address/1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF MtGox Hack Wallet] <br /> <br /> * This wallet is linked to a major fraud involving a company called MtGox in 2011. <br /> * It holds approximately &#039;&#039;&#039;80,000 BTC&#039;&#039;&#039; and has remained untouched since 2011. <br /> * Despite its contents being worth billions of dollars, nobody has ever succeeded in hacking this wallet.<br /> <br /> == &#039;&#039;&#039;Analogy: A Perfect Lock&#039;&#039;&#039; ==<br /> Imagine a treasure chest with a transparent lid—everyone can see the gold inside, but the chest is protected by an unbreakable combination lock. <br /> * Even with billions of dollars in plain sight, no one can crack the lock because the combination is mathematically impossible to guess.<br /> <br /> This is the essence of Bitcoin&#039;s security: <br /> * Even if a public address is known to all, the private key—needed to access the funds—remains secure. <br /> * The bounty of &#039;&#039;&#039;7 billion dollars&#039;&#039;&#039; in this case is an enormous incentive, yet the security of cryptography prevails.<br /> <br /> ==Task==<br /> <br /> Use [https://www.blockchain.com/explorer/ Block Chain Explorer] to see the Bitcoin address:<br /> <br /> 1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF<br /> <br /> # Paste the BTC address above in the search field. (Serach by Address, Txn Hash, Block, Token, Domain Name)<br /> # Again, notice that this address is duplicated in the Bitcoin Cash Blockchain.<br /> # To complete the task: What is the word hidden by the rectangle in this picture:<br /> <br /> [[File:Mtgoxwallet.jpg |700px]]</div>

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