Why did Poland not introduce the Euro yet?

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<blockquote class="wp-embedded-content" data-secret="G6OLVcCeQ2"><a href="https://fredco.be/why-did-poland-not-introduce-the-euro-yet/">Why did Poland not introduce the Euro yet?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://fredco.be/why-did-poland-not-introduce-the-euro-yet/embed/#?secret=G6OLVcCeQ2" width="600" height="400" title="&#8220;Why did Poland not introduce the Euro yet?&#8221; &#8212; FredCo on the road" data-secret="G6OLVcCeQ2" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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