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<p>Bitcoin relies on a set of codes developed over ten years ago by its mysterious creator, Satoshi Nakamoto. Today, an old line of code, long forgotten, could well transform the cutting-edge blockchain that is Bitcoin. This potential resurrection is sparking heated debates within the community, with everyone pondering the possible impacts of such an update.</p>
<h2 id="h-op-cat-une-relique-du-passe-pour-une-revolution-moderne-du-bitcoin">OP_CAT: A relic of the past for a modern revolution of Bitcoin?</h2>
<p>The OP_CAT opcode, also known as BIP-420, is a feature that, if re-integrated into Bitcoin, could deeply change how the blockchain operates.&nbsp;</p>
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<p>This line of code is not new. In fact, it was part of the original Bitcoin protocol, but was removed by <a href="https://www.cointribune.com/en/satoshi-nakamoto-the-fbi-drops-a-bomb-on-the-identity-of-the-creator-of-bitcoin/" target="_blank" rel="noopener noreferrer nofollow">Satoshi</a> in 2010 due to security concerns. Today, with more robust security systems, some developers believe the time has come to reintroduce this feature.</p>
<p>The main interest of OP_CAT lies in its ability to allow “covenants,” smart contracts that can impose specific conditions before a payment is validated. However, not everyone is convinced.&nbsp;</p>
<p>Linus, a recognized developer, criticizes this approach, stating that while technically possible, using OP_CAT to mimic these covenants would be inefficient, both in terms of fees and blockchain space.&nbsp;</p>
<p>He points out that more suitable alternatives exist, notably through soft forks specifically designed for this type of transaction.</p>
<p>Despite these reservations, OP_CAT continues to garner interest. Some believe this feature could offer opportunities far beyond simple covenants, becoming a versatile tool for those developing on Bitcoin.</p>
<p>This raises the question: Is OP_CAT a mere relic of the past or the key to major future innovation for the blockchain?</p>
<h2 id="h-le-debat-autour-de-la-securite-et-des-implications-futures">The debate around security and future implications</h2>
<p>One of the reasons OP_CAT divides the community so much is related to the issue of security.</p>
<p>Those opposed to its reintroduction fear it could create vulnerabilities or perverse incentives for miners, like the infamous <a href="https://www.cointribune.com/en/mev-maximum-extractable-value-quest-ce-que-cest-2/#:~:text=Maximum%20Extractable%20Value%20(MEV)%20is,beyond%20the%20standard%20block%20rewards." target="_blank" rel="noopener noreferrer nofollow">Maximum Extractable Value (MEV).</a></p>
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<p>MEV refers to the gains miners can make by reordering transactions within a block, a practice that could disrupt Bitcoin’s current balance and lead to transaction censorship.</p>
<p>Linus has expressed strong concerns about this, emphasizing that the introduction of OP_CAT could pave the way for unpredictable forms of MEV, making the Bitcoin blockchain less fair and less secure.&nbsp;</p>
<p>Others, like Bodily from Bioniq, believe these fears are overstated. According to him, OP_CAT would actually offer increased flexibility to migrate complex transactions off the main chain to layer 2 solutions, which are less costly and faster.</p>
<p>However, questions remain. For example, some doubt the real utility of OP_CAT, arguing that the promises made by its proponents could be exaggerated.</p>
<p>Paul Sztorc, creator of the BIP 300 “Drivechains” proposal, admits that while reintegrating OP_CAT seems safe, he would like to see concrete tests to evaluate its real benefits before adopting it definitively. In the meantime,</p>
<p>Paul Sztorc, creator of the BIP 300 “Drivechains” proposal, admits that while reintegrating OP_CAT seems safe, he would like to see concrete tests to evaluate its real benefits before adopting it definitively. In the meantime, <a href="https://www.cointribune.com/en/crypto-a-disastrous-quarter-for-ethereum/" target="_blank" rel="noopener noreferrer nofollow">an Ethereum is experiencing a disastrous quarter!</a></p>

Bitcoin: An Old Line Of Code From Satoshi Ready To Change The Game!

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