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<h4><strong>In <a href="https://www.altcoinbuzz.io/bitcoin-and-crypto-guide/cryptography-in-cryptocurrencies-a-simplified-guide-part-1/" target="_blank" rel="noopener">Part 1</a>, we delved into essential cryptographic concepts like public and private keys, hash functions, digital signatures, encryption, and more. </strong></h4> 
<p>Now, let’s continue our journey and dive deeper into the fascinating world of Cryptography.</p> 
<h5><strong>1) Wallets and Addresses</strong></h5> 
<p><a href="https://www.altcoinbuzz.io/?s=wallets" target="_blank" rel="noopener">Crypto wallets</a> are your digital vaults where you store your funds. These wallets generate unique addresses, which are derived from your public key and serve as your “account numbers” in the crypto world. So, a crypto wallet uses <a href="https://www.gemini.com/cryptopedia/hd-crypto-wallets-hierachichal-deterministic" target="_blank" rel="noopener">Hierarchical Deterministic</a> technology. This tech allows you to generate many different addresses from a single seed phrase. This seed phrase, a sequence of words, is all you need to restore your wallet if it’s lost or damaged.</p> 
<p>Here is a use case: If you lose access to your wallet but have your seed phrase, you can recreate your wallet on any compatible software, and all your funds will be accessible.</p> 
<blockquote class="twitter-tweet" data-width="550" data-dnt="true"> 
 <p lang="en" dir="ltr">BIP-32: Hierarchical Deterministic Wallets explained in 4 slides<a href="https://twitter.com/hashtag/Bitcoin?src=hash&amp;ref_src=twsrc%5Etfw">#Bitcoin</a> <a href="https://t.co/JosQujWwke">pic.twitter.com/JosQujWwke</a></p> 
 <p>— Bitcoin Illustrated (@BTCillustrated) <a href="https://twitter.com/BTCillustrated/status/1696561927126765588?ref_src=twsrc%5Etfw">August 29, 2023</a></p>
</blockquote> 
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> 
<h5><strong>2) Zero-knowledge proofs (ZKPs)</strong></h5> 
<p><a href="https://www.altcoinbuzz.io/?s=Zero-knowledge+proofs" target="_blank" rel="noopener">Zero-knowledge proofs</a> are cryptographic techniques that allow one party (the prover) to prove to another party (the verifier) that a statement is true without revealing any details about the statement itself. This technology enhances privacy while still verifying the validity of transactions.</p> 
<p>zk-SNARKs (Zero-Knowledge Succinct Non-Interactive Argument of Knowledge) is a use case. zk-SNARKs are used in cryptocurrencies like <a href="https://www.altcoinbuzz.io/?s=Zcash" target="_blank" rel="noopener">Zcash</a> to prove that a transaction is valid without disclosing the sender, receiver, or transaction amount.</p> 
<p><strong>Example:</strong> Alice wants to prove she has enough funds to make a transaction without revealing her account balance. Using zk-SNARKs, she can provide proof of sufficiency without disclosing her financial details.</p> 
<blockquote class="twitter-tweet" data-width="550" data-dnt="true"> 
 <p lang="en" dir="ltr"><a href="https://twitter.com/hashtag/ZKP?src=hash&amp;ref_src=twsrc%5Etfw">#ZKP</a> (Zero Knowledge Proof) explained in a simple way: <a href="https://twitter.com/hashtag/Wanchain?src=hash&amp;ref_src=twsrc%5Etfw">#Wanchain</a>'s VP of Engineering, Dr Weijia Zhang gets it done! <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f447.png" alt="👇" class="wp-smiley" style="height: 1em; max-height: 1em;"> <a href="https://t.co/tD15OvLQIy">pic.twitter.com/tD15OvLQIy</a></p> 
 <p>— Wanchain (@wanchain_org) <a href="https://twitter.com/wanchain_org/status/1637106828579315716?ref_src=twsrc%5Etfw">March 18, 2023</a></p>
</blockquote> 
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> 
<h5><strong>3) Multi-Signature (Multi-Sig)</strong></h5> 
<p><a href="https://www.bitpanda.com/academy/en/lessons/what-are-multi-signature-wallets-and-how-do-they-work/" target="_blank" rel="noopener">Multi-signature wallets</a> require multiple private keys to authorize a transaction. This extra layer of security is particularly useful for businesses and joint accounts. As it ensures that no single party can access the funds independently.</p> 
<ul> 
 <li><strong>2-of-3 Multi-Sig:</strong> In a 2-of-3 multi-signature setup, there are three private keys, but a transaction only needs two. This can prevent unauthorized access if one key is compromised or lost.</li> 
</ul> 
<p><strong>Example:</strong> A business wallet is set up with 2-of-3 multi-sig. Two out of three business partners must sign off on any outgoing transactions, adding an extra layer of security and trust.</p> 
<blockquote class="twitter-tweet" data-width="550" data-dnt="true"> 
 <p lang="en" dir="ltr"><a href="https://twitter.com/hashtag/Bitcoin?src=hash&amp;ref_src=twsrc%5Etfw">#Bitcoin</a> multi-signature wallets coming to iPhones? <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f62e.png" alt="😮" class="wp-smiley" style="height: 1em; max-height: 1em;"> <a href="https://t.co/SJ1vqHk7YA">https://t.co/SJ1vqHk7YA</a></p> 
 <p>— Bitcoin News (@BitcoinNewsCom) <a href="https://twitter.com/BitcoinNewsCom/status/1704129145905827981?ref_src=twsrc%5Etfw">September 19, 2023</a></p>
</blockquote> 
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> 
<h5><strong>4) Quantum Resistance</strong></h5> 
<p>As quantum computing advances, it poses a potential threat to classical cryptographic algorithms. Cryptocurrencies are taking steps to become quantum-resistant by adopting quantum-resistant cryptographic techniques.</p> 
<ul> 
 <li><strong>Quantum-Secure Signatures:</strong> Cryptocurrencies like <a href="https://www.altcoinbuzz.io/?s=iota" target="_blank" rel="noopener">IOTA</a> are exploring post-quantum cryptographic signatures, which are believed to be resistant to quantum attacks.</li> 
</ul> 
<p><strong>Example:</strong> In the future, if a powerful quantum computer becomes available, cryptocurrencies that have quantum-resistant features will remain secure against quantum attacks.</p> 
<blockquote class="twitter-tweet" data-width="550" data-dnt="true"> 
 <p lang="en" dir="ltr">.<a href="https://twitter.com/iota?ref_src=twsrc%5Etfw">@iota</a> came a long way via ternary notation, quantum secure signatures, Java nodes, hacked wallets, kicked founders, countless coordicide attempts, esoteric contract languages…</p> 
 <p>And now we have: a promise for EVM compatible contracts?! Where is this leading? <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f914.png" alt="🤔" class="wp-smiley" style="height: 1em; max-height: 1em;"> <a href="https://t.co/SKV7zj8qzB">https://t.co/SKV7zj8qzB</a> <a href="https://t.co/6CC8NzhAYr">pic.twitter.com/6CC8NzhAYr</a></p> 
 <p>— stadolf.eth (elmariachi) <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f427.png" alt="🐧" class="wp-smiley" style="height: 1em; max-height: 1em;"> (@stadolf) <a href="https://twitter.com/stadolf/status/1512178013777141762?ref_src=twsrc%5Etfw">April 7, 2022</a></p>
</blockquote> 
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> 
<h5><strong>5) Ring Signatures&nbsp;</strong></h5> 
<p>Privacy coins like Monero and Dash focus on enhancing user privacy by implementing advanced cryptographic techniques. They offer features like confidential transactions, stealth addresses, and ring signatures to obscure transaction details.</p> 
<p>With a <a href="https://en.wikipedia.org/wiki/Ring_signature#:~:text=September%202022),a%20particular%20set%20of%20people." target="_blank" rel="noopener">ring signature</a>, multiple users sign a transaction. Making it nearly impossible to determine which user initiated the transaction.</p> 
<p><strong>Example</strong>: When Bob sends Monero to Alice, the transaction includes signatures from several other Monero users, concealing the true sender.</p> 
<blockquote class="twitter-tweet" data-width="550" data-dnt="true"> 
 <p lang="en" dir="ltr">Monero deploys a decoy set using Ring signatures, this makes it so your transaction will always be masked amongst a set of other transactions.</p> 
 <p>This anonymizes your actions but does not mean nothing is visible etc on chain. If someone would find out 11/12 of the transactions in</p> 
 <p>— Ertemann | <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/269b.png" alt="⚛" class="wp-smiley" style="height: 1em; max-height: 1em;"> 𝕊 <img src="https://s.w.org/images/core/emoji/14.0.0/72x72/1f41d.png" alt="🐝" class="wp-smiley" style="height: 1em; max-height: 1em;"><img src="https://s.w.org/images/core/emoji/14.0.0/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;"> | Lavender.Five (@ertemann) <a href="https://twitter.com/ertemann/status/1546234346515972096?ref_src=twsrc%5Etfw">July 10, 2022</a></p>
</blockquote> 
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> 
<h5><strong>Conclusion</strong></h5> 
<p>In this two-part guide, we’ve explored more advanced topics such as zero-knowledge proofs, multi-signature wallets, quantum resistance, and privacy coins. As cryptocurrencies and cryptography continue to advance, staying informed about emerging technologies and best practices is key to navigating this exciting digital frontier.</p> 
<p>Whether you’re an investor, a developer, or simply curious about the world of cryptocurrencies, a solid understanding of cryptography is your passport to success in this dynamic and transformative space.</p> 
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<p>The post <a rel="nofollow" href="https://www.altcoinbuzz.io/bitcoin-and-crypto-guide/cryptography-in-cryptocurrencies-a-simplified-guide-part-2/">Cryptography in Cryptocurrencies: A Simplified Guide – Part 2</a> appeared first on <a rel="nofollow" href="https://www.altcoinbuzz.io">Altcoin Buzz</a>.</p>

Cryptography in Cryptocurrencies: A Simplified Guide – Part 2

Altcoin Buzz

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