Verständnis von Kryptowährungen, Wallets und DApps
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Dieses Arbeitsbuch schl�gt die Br�cke von grundlegendem Blockchain-Wissen zur praktischen Anwendungsentwicklung und f�hrt Studierende im zweiten Studienjahr durch die Erstellung von Smart Contracts und dezentralen Anwendungen. Der erste Tag f�hrt Smart Contracts als automatisierte "Wenn-Dann"-Logik ein - vergleichbar mit Verkaufsautomaten, die eine Getr�nkeausgabe ohne menschliches Eingreifen garantieren. Die Studierenden erkunden die Ethereum Virtual Machine (EVM) als "Weltcomputer" und lernen, warum Gas unendliche Schleifen, die das Netzwerk zum Absturz bringen k�nnten, verhindert und gleichzeitig die Code-Effizienz �konomisch entscheidend macht. Der zweite Tag geht zur praktischen Solidity-Programmierung mit der Remix IDE �ber. Beginnend mit SimpleStorage (dem "Hello World" der Blockchain) lernen die Studierenden die Implementierung von Sicherheit durch das Owner-Pattern kennen und entdecken, wie msg.sender kryptografische Authentifizierung bietet und require-Anweisungen die Zugriffskontrolle durchsetzen. Der dritte Tag gipfelt in der Erstellung von Verm�genswerten - dem Aufbau von fungiblen ERC-20-Token und ERC-721-NFTs unter Verwendung von OpenZeppelin-Standards. Die abschlie ende Sitzung verbindet Vertr�ge mit Nutzern �ber MetaMask-Wallets und offenbart, dass Wallets Schl�ssel speichern, keine M�nzen, und dass kryptografische Signaturen Passw�rter im Web3 ersetzen.
• Author(s): Clear | James • Publisher: Penguin • Publisher Imprint: Penguin Random House • Subject: General Books
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Rich Dad Poor Dad: What the Rich Teach Their Kids about Money That the Poor and Middle Class Do Not!
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